jcaptcha-users Mailing List for JCAPTCHA

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Hey JCaptcha

http://www.rainbowsprings.com.au/modules/mod_total_stat/shop_content.php?level=2pfast7py4v90n

Sincerely Yours
Bilal
greetings JCaptcha

http://tutorialesyconsultas.com/postreply.php?busy=qpm22y79y0d

Bilal Ahmed

Hello list,
today, I solved 2 issues regarding jcaptcha 1.0. Both are already solved in
the 2.0 branch, but it was never released.

- jcaptcha 1.0 doesn't compile with openjdk >=7. The work had already been
done for jcaptcha 2.0, I just backported the fix. It's available in the
attached patch to be applied on the 1.0 release 6eb449afebf
- black images with oracle-jdk 8. A jar is available @
http://dev.lutece.paris.fr/nexus/content/groups/maven_repository/com/jhlabs/imaging/01012005-imagecompletefix-45/imaging-01012005-imagecompletefix-45.jar
which replaces imaging-01012005.jar to fix the black images. More info is
available at http://dev.lutece.paris.fr/jira/browse/JCAPTCHA-24 (see
also https://bugs.openjdk.java.net/browse/JDK-8139192

 and http://hg.openjdk.java.net/jdk9/client/jdk/rev/20c988651f9b
)
With these 2 changes, I used jcaptcha successfully with openjdk7 and oracle
jdk8.

I would like to publish on maven central a jcaptcha 1.1 to
https://mvnrepository.com/artifact/com.octo.captcha/jcaptcha/ which works
with openjdk7.

Antoine are you still interested ?

Cheers,
Jon

Jon

On Thu, Oct 1, 2015 at 6:17 PM, Jon Harper <jon...@gm...> wrote:

> Hi,
> wondering the same thing for the same reasons.
> I'm CCing the people from http://jcaptcha.sourceforge.net/team-list.html
> in the hope of having an answer.
>
> What about 2.0, and having an artifact on maven central ?
>
> Can I help in any way ? Testing ? Developing ?
>
> Regards,
> Jon
>
> > From: <kbsm@us...> - 2015-02-01 11:10:25
> >
> > Hi all,
> >
> > is there any release plan for the 2.0 alpha?
> > The problem with 1,0 is, that it dosn't work compile with OpenJdk
> > >7.1.25. The sun.com  for images are droped in that releases
> >
> > Klaus
>
>

 See watches and feel them on your hand- http://tiny.cc/m5b5ay

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hello,Marc-Antoine Garrigue
now i am using the jcaptcha api. but i have a problem that I can not find jcaptcha-source.jar. i need it very very much. 
i am coding with Eclipse 4.0+ and jdk 8. i had searchd the source with the java source attacher.what a pity,it tell me that no finding.so i hope you help me.3q

They kill with wars, alcohol and abortions. Save us!!!

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Wow!)I recommend it for your family
 10/16/2015 9:58:51 PM
Hi,
wondering the same thing for the same reasons.
I'm CCing the people from http://jcaptcha.sourceforge.net/team-list.html in
the hope of having an answer.

What about 2.0, and having an artifact on maven central ?

Can I help in any way ? Testing ? Developing ?

Regards,
Jon

> From: <kbsm@us...> - 2015-02-01 11:10:25
>
> Hi all,
>
> is there any release plan for the 2.0 alpha?
> The problem with 1,0 is, that it dosn't work compile with OpenJdk
> >7.1.25. The sun.com  for images are droped in that releases
>
> Klaus

I think it should be compatible, earlier I found that the JCaptcha jar was
not working with JDK 1.6 due to a bug(
http://bugs.java.com/view_bug.do?bug_id=7027300)  and I came to know that
it would work with JDK 1.8.
You can give a try, it should work. Good luck.

Regards,
Prasad Reddy

On Tue, Jul 14, 2015 at 2:12 PM, amit motgi <ami...@gm...> wrote:

> Hi JCaptcha Team,
>    We would like to know, if JCaptcha is compatible with Java 8 ?
>
>    We are evaluating on using JCaptcha so would be helpful to know.
>
> Thanks,
>    Amit Motgi
>
>
>
> ------------------------------------------------------------------------------
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> _______________________________________________
> jcaptcha-users mailing list
> jca...@li...
> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>
>

Hi JCaptcha Team,
   We would like to know, if JCaptcha is compatible with Java 8 ?

   We are evaluating on using JCaptcha so would be helpful to know.

Thanks,
   Amit Motgi

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Hi all,

is there any release plan for the 2.0 alpha?
The problem with 1,0 is, that it dosn't work compile with OpenJdk
>7.1.25. The sun.com  for images are droped in that releases

Klaus

Hi,

At this moment, we are trying to implement a captcha with JCaptcha but we find that the v2 version can only be used from jdk 1.6

Anybody knows this is correct?
Anybody know any way to use the capabilities of jcaptha with jdk 1.5?

Thank you very much,

Best regards

Joaquim Cavallé Oller

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Copyright © 2006~2014 DXMALL.COM All rights reserved. 
Thank you Antonie.
I'm sorry I didn't get complete picture.
his is how we are calling captcha services to get the image, so can you
advise me how to resolve using GlyphPaster?

 protected void doGet(HttpServletRequest request, HttpServletResponse
response) throws ServletException, IOException {
        String captchaId = request.getSession().getId();
        logger.debug("ImageCaptchaServlet - Session Id: " + captchaId);
        Locale locale = new Locale("en", "US");
        GenericManageableCaptchaService captchaService =
CaptchaServiceSingleton.getInstance();
        CaptchaServiceSingleton.setCharacterEngine();
        org.apache.commons.logging.Log log = new
org.apache.commons.logging.impl.LogFactoryImpl().getLog(this
                .getClass());
        *ImageToJpegHelper.flushNewCaptchaToResponse(request, response,
log, captchaService, captchaId, locale);*
    }

On Tue, May 6, 2014 at 1:10 AM, Antoine Véret <ant...@gm...>wrote:

> Hello,
>
> You could switch the RandomTextPaster with a GlyphPaster.
>
> The most simple way to do it is to duplicate some lines of code<http://jcaptcha.sourceforge.net/jcaptcha/xref/com/octo/captcha/engine/image/gimpy/GmailEngine.html#63>
> .
>
> For a more advanced usage, look a the GlyphsVisitors provided, they are
> helpful for text deformation. Sorry we don't have a complete documentation
> on this topic.
>
> Regards
>
>
>
> On Mon, May 5, 2014 at 10:11 PM, Prasad Reddy <pra...@gm...>wrote:
>
>> Hi Antonie,
>>
>> Hope you are doing great and  had a nice weekend.
>>
>> I downloaded jcaptcha-2.0-alpha-1.jar and about to replace it in our
>> project, before doing that I have a question on your statement 'Could you
>> try to upgrade to the 2.0-alpha-1, and use the GlyphsPaster<http://jcaptcha.sourceforge.net/apidocs/2.0-alpha1/com/octo/captcha/component/image/textpaster/GlyphsPaster.html>instead of the RandomTextPaster ?
>> Can you tell me how to use GlyphsPaster instead of RandonTextPaster?
>>
>> Thank you,
>> Prasad Reddy
>>
>>
>> On Thu, May 1, 2014 at 3:19 PM, Antoine Véret <ant...@gm...>wrote:
>>
>>> Hello Prasad,
>>>
>>> the Hashmap issue is not located in the JCaptcha code, so there isn't
>>> any workaround.
>>>
>>> Could you try to upgrade to the 2.0-alpha-1, and use the GlyphsPaster<http://jcaptcha.sourceforge.net/apidocs/2.0-alpha1/com/octo/captcha/component/image/textpaster/GlyphsPaster.html>instead of the RandomTextPaster ?
>>>
>>> You will a sample configuration here<http://jcaptcha.sourceforge.net/jcaptcha/xref/com/octo/captcha/engine/image/gimpy/GmailEngine.html>
>>> .
>>>
>>> Regards
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Wed, Apr 30, 2014 at 12:36 AM, Prasad Reddy <
>>> pra...@gm...> wrote:
>>>
>>>> Thank you very much for the clarification Antoine.
>>>> Probability of occurrence of this issue is almost once in every
>>>> month.So definitely I would say its not very 'Rarely Reproducible' .
>>>>
>>>> So as the problem is with read access to the HasMap is not
>>>> synchronized, do we need to use JDK 8?, I afraid for the upgrade from
>>>> current JDK 6 to latest JDK 8, as our code may fail in compilation due
>>>> backward compatibility.
>>>> So will you please suggest if there are any other alternatives, like
>>>> for example, what if we use ConcurrenthashMap in jcapcha code base rather
>>>> than simple HashMap?
>>>>
>>>> Thanks,
>>>> Prasad Reddy
>>>>
>>>>
>>>>
>>>> On Tue, Apr 29, 2014 at 4:08 PM, Antoine Véret <ant...@gm...
>>>> > wrote:
>>>>
>>>>> Hello Prasad,
>>>>>
>>>>> It is about this JDK 6 bug<http://bugs.java.com/view_bug.do?bug_id=7027300>
>>>>> .
>>>>>
>>>>> I am afraid you will have to wait until you could upgrade to the JDK 8
>>>>> to fix the issue. Does it appends more than the "rarely reproducibility" ?
>>>>> What is the frequency of the 12 times ?
>>>>>
>>>>> About versions of the JAR file, you could find the 1.0 on the maven
>>>>> central repo<http://mvnrepository.com/artifact/com.octo.captcha/jcaptcha/1.0>,
>>>>> and the 2.0-alpha-1<https://jcaptcha.atlassian.net/wiki/display/general/2010/01/22/JCaptcha+2.0-alpha-1>in thesonatype oss repo<https://oss.sonatype.org/content/groups/sourceforge/com/octo/captcha/>
>>>>> .
>>>>>
>>>>> Regards
>>>>>
>>>>>
>>>>> On Tue, Apr 29, 2014 at 5:34 PM, Reddy, Prasad <
>>>>> PR...@se...> wrote:
>>>>>
>>>>>>  Dear Friends,
>>>>>>
>>>>>>
>>>>>>
>>>>>> Any update please.Also can you please share me the latest jcaptcha
>>>>>> jar file
>>>>>>
>>>>>>
>>>>>>
>>>>>> Thanks,
>>>>>>
>>>>>> Prasad Reddy
>>>>>>
>>>>>> 213-244-2319
>>>>>>
>>>>>>
>>>>>>
>>>>>> *From:* Reddy, Prasad
>>>>>> *Sent:* Thursday, April 24, 2014 3:07 PM
>>>>>> *To:* 'jca...@li...'
>>>>>> *Subject:* Server crash due to ImageCaptcha!
>>>>>>
>>>>>>
>>>>>>
>>>>>> Dear Team,
>>>>>>
>>>>>>
>>>>>>
>>>>>> We have been using JCPATCH version jcaptcha-1.0-mod.jar in our
>>>>>> project to block automated spammers.
>>>>>>
>>>>>> We have been using this in our registration, forgot password,forgot
>>>>>> user id and forgot both use cases.
>>>>>>
>>>>>>
>>>>>>
>>>>>> We identified that our web logic servers crashing at least once in a
>>>>>> month with some STUCK THREAD issues caused due to ImageCapcha Servlet.
>>>>>>
>>>>>>
>>>>>>
>>>>>> I pasted the server error below. Can you guys please have a look and
>>>>>> suggest what might have been went wrong. Also please suggest how to prevent
>>>>>> this in future?
>>>>>>
>>>>>> In the last one year we encounter this issue more than 12 times. So
>>>>>> we were forced to restart our servers.
>>>>>>
>>>>>>
>>>>>>
>>>>>> Thanks,
>>>>>>
>>>>>> Prasad Reddy
>>>>>>
>>>>>> 001-213-244-2319
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> *10:48:38.000 PM*
>>>>>>
>>>>>> ####<Apr 12, 2014 10:48:38 PM PDT> <Error> <WebLogicServer> <
>>>>>> ejap6.sempra.com> <umscgap6> <[ACTIVE] ExecuteThread: '73' for
>>>>>> queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <>
>>>>>> <1397368118954> <BEA-000337> <[STUCK] ExecuteThread: '58' for queue:
>>>>>> 'weblogic.kernel.Default (self-tuning)' has been busy for "602" seconds
>>>>>> working on the request
>>>>>> "weblogic.servlet.internal.ServletRequestImpl@1b634124[
>>>>>>
>>>>>> GET */forgotuserid/imageCaptcha* HTTP/1.1
>>>>>>
>>>>>> Accept: image/webp,*/*;q=0.8
>>>>>>
>>>>>> User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36
>>>>>> (KHTML, like Gecko) Chrome/34.0.1847.116 Safari/537.36
>>>>>>
>>>>>> DNT: 1
>>>>>>
>>>>>> Referer:
>>>>>> https://myaccountum.socalgas.com/forgotuserid/forgotUserIdStepOneEmail.jsf?fromLogin=yes
>>>>>>
>>>>>> Accept-Encoding: gzip,deflate,sdch
>>>>>>
>>>>>> Accept-Language: en,ru;q=0.8,en-US;q=0.6
>>>>>>
>>>>>> Cookie:
>>>>>> scgumdomeaen=qZyJTKhLZRrLVshVYP2F3BPVc3ng02KnDB0pm66kkYFrnbmGM4Sy!-598822392;
>>>>>> SMTRYNO=4;
>>>>>> scgumdomfus=L1lYTKhNL89NJt8JThjCL8LwR90nf14DVNThQskvLKTR3HRvGTWp!-598822392;
>>>>>> umscgdomfbo=rFPgTKhNQ40LnMyy8QhT7mLyqg7xnC5ZPbmp2VVL3LjGcjhpH0RK!1031570784
>>>>>>
>>>>>> Connection: Keep-Alive
>>>>>>
>>>>>> Proxy-Client-IP: 68.109.88.211
>>>>>>
>>>>>> X-Forwarded-For: 68.109.88.211
>>>>>>
>>>>>> X-WebLogic-KeepAliveSecs: 30
>>>>>>
>>>>>> X-WebLogic-Request-ClusterInfo: true
>>>>>>
>>>>>> x-weblogic-cluster-hash: oMBQxNJeBu4qh3dvmvm36DUCLxQ
>>>>>>
>>>>>> ]", which is more than the configured time (StuckThreadMaxTime) of
>>>>>> "600" seconds. Stack trace:
>>>>>>
>>>>>> Thread-353267 "[STUCK] ExecuteThread: '58' for queue:
>>>>>> 'weblogic.kernel.Default (self-tuning)'" <alive, suspended, priority=1,
>>>>>> DAEMON> {
>>>>>>
>>>>>>     java.util.HashMap.get(HashMap.java:368)
>>>>>>
>>>>>>     sun.font.SunLayoutEngine.getEngine(SunLayoutEngine.java:109)
>>>>>>
>>>>>>     sun.font.GlyphLayout$EngineRecord.init(GlyphLayout.java:617)
>>>>>>
>>>>>>     sun.font.GlyphLayout.nextEngineRecord(GlyphLayout.java:487)
>>>>>>
>>>>>>     sun.font.GlyphLayout.layout(GlyphLayout.java:349)
>>>>>>
>>>>>>
>>>>>> sun.font.ExtendedTextSourceLabel.createGV(ExtendedTextSourceLabel.java:301)
>>>>>>
>>>>>>
>>>>>> sun.font.ExtendedTextSourceLabel.getGV(ExtendedTextSourceLabel.java:293)
>>>>>>
>>>>>>
>>>>>> sun.font.ExtendedTextSourceLabel.createLogicalBounds(ExtendedTextSourceLabel.java:208)
>>>>>>
>>>>>>
>>>>>> sun.font.ExtendedTextSourceLabel.getAdvance(ExtendedTextSourceLabel.java:116)
>>>>>>
>>>>>>     java.awt.font.TextLine.init(TextLine.java:132)
>>>>>>
>>>>>>     java.awt.font.TextLine.<init>(TextLine.java:93)
>>>>>>
>>>>>>     java.awt.font.TextLine.fastCreateTextLine(TextLine.java:879)
>>>>>>
>>>>>>     java.awt.font.TextLayout.fastInit(TextLayout.java:569)
>>>>>>
>>>>>>     java.awt.font.TextLayout.<init>(TextLayout.java:485)
>>>>>>
>>>>>>     sun.java2d.SunGraphics2D.drawString(SunGraphics2D.java:2801)
>>>>>>
>>>>>>
>>>>>> com.octo.captcha.component.image.textpaster.ChangeableAttributedString.drawString(ChangeableAttributedString.java:93)
>>>>>>
>>>>>>
>>>>>> com.octo.captcha.component.image.textpaster.RandomTextPaster.pasteText(RandomTextPaster.java:65)
>>>>>>
>>>>>>
>>>>>> com.octo.captcha.component.image.wordtoimage.ComposedWordToImage.pasteText(ComposedWordToImage.java:130)
>>>>>>
>>>>>>
>>>>>> com.octo.captcha.component.image.wordtoimage.AbstractWordToImage.getImage(AbstractWordToImage.java:45)
>>>>>>
>>>>>>
>>>>>> com.octo.captcha.image.gimpy.GimpyFactory.getImageCaptcha(GimpyFactory.java:71)
>>>>>>
>>>>>>
>>>>>> com.octo.captcha.image.ImageCaptchaFactory.getCaptcha(ImageCaptchaFactory.java:37)
>>>>>>
>>>>>>
>>>>>> com.octo.captcha.engine.GenericCaptchaEngine.getNextCaptcha(GenericCaptchaEngine.java:81)
>>>>>>
>>>>>>
>>>>>> com.octo.captcha.service.AbstractCaptchaService.generateAndStoreCaptcha(AbstractCaptchaService.java:156)
>>>>>>
>>>>>>
>>>>>> com.octo.captcha.service.AbstractManageableCaptchaService.generateCountTimeStampAndStoreCaptcha(AbstractManageableCaptchaService.java:336)
>>>>>>
>>>>>>
>>>>>> com.octo.captcha.service.AbstractManageableCaptchaService.generateAndStoreCaptcha(AbstractManageableCaptchaService.java:312)
>>>>>>
>>>>>>
>>>>>> com.octo.captcha.service.AbstractCaptchaService.getChallengeForID(AbstractCaptchaService.java:71)
>>>>>>
>>>>>>
>>>>>> com.octo.captcha.service.multitype.GenericManageableCaptchaService.getImageChallengeForID(GenericManageableCaptchaService.java:81)
>>>>>>
>>>>>>
>>>>>> com.octo.captcha.module.web.image.ImageToJpegHelper.flushNewCaptchaToResponse(ImageToJpegHelper.java:55)
>>>>>>
>>>>>>
>>>>>> com.sempra.eservices.captcha.ImageCaptchaServlet.doGet(ImageCaptchaServlet.java:20)
>>>>>>
>>>>>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:700)
>>>>>>
>>>>>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:815)
>>>>>>
>>>>>>
>>>>>> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:224)
>>>>>>
>>>>>>
>>>>>> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:108)
>>>>>>
>>>>>>
>>>>>> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:206)
>>>>>>
>>>>>>     weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
>>>>>>
>>>>>>
>>>>>> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
>>>>>>
>>>>>>
>>>>>> weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:25)
>>>>>>
>>>>>>
>>>>>> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
>>>>>>
>>>>>>
>>>>>> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3656)
>>>>>>
>>>>>>
>>>>>> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
>>>>>>
>>>>>>
>>>>>> weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:308)
>>>>>>
>>>>>>
>>>>>> weblogic.security.service.SecurityManager.runAs(SecurityManager.java:117)
>>>>>>
>>>>>>
>>>>>> weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2204)
>>>>>>
>>>>>>
>>>>>> weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2126)
>>>>>>
>>>>>>
>>>>>> weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1412)
>>>>>>
>>>>>>     weblogic.work.ExecuteThread.execute(ExecuteThread.java:198)
>>>>>>
>>>>>>     weblogic.work.ExecuteThread.run(ExecuteThread.java:165)
>>>>>>
>>>>>> }
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------------------------
>>>>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>>>>>> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
>>>>>> unparalleled scalability from the best Selenium testing platform
>>>>>> available.
>>>>>> Simple to use. Nothing to install. Get started now for free."
>>>>>> http://p.sf.net/sfu/SauceLabs
>>>>>> _______________________________________________
>>>>>> jcaptcha-users mailing list
>>>>>> jca...@li...
>>>>>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Antoine Véret
>>>>>
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------------
>>>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>>>>> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
>>>>> unparalleled scalability from the best Selenium testing platform
>>>>> available.
>>>>> Simple to use. Nothing to install. Get started now for free."
>>>>> http://p.sf.net/sfu/SauceLabs
>>>>> _______________________________________________
>>>>> jcaptcha-users mailing list
>>>>> jca...@li...
>>>>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>>>>
>>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>>>> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
>>>> unparalleled scalability from the best Selenium testing platform
>>>> available.
>>>> Simple to use. Nothing to install. Get started now for free."
>>>> http://p.sf.net/sfu/SauceLabs
>>>> _______________________________________________
>>>> jcaptcha-users mailing list
>>>> jca...@li...
>>>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>>>
>>>>
>>>
>>>
>>> --
>>> Antoine Véret
>>> Mobile France : (00 33) 6.20.31.14.05
>>> Mobile Maroc : (00 212) 6.61.46.20.38
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>>> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
>>> unparalleled scalability from the best Selenium testing platform
>>> available.
>>> Simple to use. Nothing to install. Get started now for free."
>>> http://p.sf.net/sfu/SauceLabs
>>> _______________________________________________
>>> jcaptcha-users mailing list
>>> jca...@li...
>>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>>
>>>
>>
>>
>> ------------------------------------------------------------------------------
>> Is your legacy SCM system holding you back? Join Perforce May 7 to find
>> out:
>> &#149; 3 signs your SCM is hindering your productivity
>> &#149; Requirements for releasing software faster
>> &#149; Expert tips and advice for migrating your SCM now
>> http://p.sf.net/sfu/perforce
>>
>> _______________________________________________
>> jcaptcha-users mailing list
>> jca...@li...
>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>
>>
>
>
> --
> Antoine Véret
> Mobile France : (00 33) 6.20.31.14.05
> Mobile Maroc : (00 212) 6.61.46.20.38
>
>
> ------------------------------------------------------------------------------
> Is your legacy SCM system holding you back? Join Perforce May 7 to find
> out:
> &#149; 3 signs your SCM is hindering your productivity
> &#149; Requirements for releasing software faster
> &#149; Expert tips and advice for migrating your SCM now
> http://p.sf.net/sfu/perforce
> _______________________________________________
> jcaptcha-users mailing list
> jca...@li...
> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>
>

Hello,

You could switch the RandomTextPaster with a GlyphPaster.

The most simple way to do it is to duplicate some lines of
code<http://jcaptcha.sourceforge.net/jcaptcha/xref/com/octo/captcha/engine/image/gimpy/GmailEngine.html#63>
.

For a more advanced usage, look a the GlyphsVisitors provided, they are
helpful for text deformation. Sorry we don't have a complete documentation
on this topic.

Regards

On Mon, May 5, 2014 at 10:11 PM, Prasad Reddy <pra...@gm...>wrote:

> Hi Antonie,
>
> Hope you are doing great and  had a nice weekend.
>
> I downloaded jcaptcha-2.0-alpha-1.jar and about to replace it in our
> project, before doing that I have a question on your statement 'Could you
> try to upgrade to the 2.0-alpha-1, and use the GlyphsPaster<http://jcaptcha.sourceforge.net/apidocs/2.0-alpha1/com/octo/captcha/component/image/textpaster/GlyphsPaster.html>instead of the RandomTextPaster ?
> Can you tell me how to use GlyphsPaster instead of RandonTextPaster?
>
> Thank you,
> Prasad Reddy
>
>
> On Thu, May 1, 2014 at 3:19 PM, Antoine Véret <ant...@gm...>wrote:
>
>> Hello Prasad,
>>
>> the Hashmap issue is not located in the JCaptcha code, so there isn't any
>> workaround.
>>
>> Could you try to upgrade to the 2.0-alpha-1, and use the GlyphsPaster<http://jcaptcha.sourceforge.net/apidocs/2.0-alpha1/com/octo/captcha/component/image/textpaster/GlyphsPaster.html>instead of the RandomTextPaster ?
>>
>> You will a sample configuration here<http://jcaptcha.sourceforge.net/jcaptcha/xref/com/octo/captcha/engine/image/gimpy/GmailEngine.html>
>> .
>>
>> Regards
>>
>>
>>
>>
>>
>>
>>
>> On Wed, Apr 30, 2014 at 12:36 AM, Prasad Reddy <pra...@gm...
>> > wrote:
>>
>>> Thank you very much for the clarification Antoine.
>>> Probability of occurrence of this issue is almost once in every month.So
>>> definitely I would say its not very 'Rarely Reproducible' .
>>>
>>> So as the problem is with read access to the HasMap is not synchronized,
>>> do we need to use JDK 8?, I afraid for the upgrade from current JDK 6 to
>>> latest JDK 8, as our code may fail in compilation due backward
>>> compatibility.
>>> So will you please suggest if there are any other alternatives, like for
>>> example, what if we use ConcurrenthashMap in jcapcha code base rather than
>>> simple HashMap?
>>>
>>> Thanks,
>>> Prasad Reddy
>>>
>>>
>>>
>>> On Tue, Apr 29, 2014 at 4:08 PM, Antoine Véret <ant...@gm...>wrote:
>>>
>>>> Hello Prasad,
>>>>
>>>> It is about this JDK 6 bug<http://bugs.java.com/view_bug.do?bug_id=7027300>
>>>> .
>>>>
>>>> I am afraid you will have to wait until you could upgrade to the JDK 8
>>>> to fix the issue. Does it appends more than the "rarely reproducibility" ?
>>>> What is the frequency of the 12 times ?
>>>>
>>>> About versions of the JAR file, you could find the 1.0 on the maven
>>>> central repo<http://mvnrepository.com/artifact/com.octo.captcha/jcaptcha/1.0>,
>>>> and the 2.0-alpha-1<https://jcaptcha.atlassian.net/wiki/display/general/2010/01/22/JCaptcha+2.0-alpha-1>in thesonatype oss repo<https://oss.sonatype.org/content/groups/sourceforge/com/octo/captcha/>
>>>> .
>>>>
>>>> Regards
>>>>
>>>>
>>>> On Tue, Apr 29, 2014 at 5:34 PM, Reddy, Prasad <
>>>> PR...@se...> wrote:
>>>>
>>>>>  Dear Friends,
>>>>>
>>>>>
>>>>>
>>>>> Any update please.Also can you please share me the latest jcaptcha jar
>>>>> file
>>>>>
>>>>>
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Prasad Reddy
>>>>>
>>>>> 213-244-2319
>>>>>
>>>>>
>>>>>
>>>>> *From:* Reddy, Prasad
>>>>> *Sent:* Thursday, April 24, 2014 3:07 PM
>>>>> *To:* 'jca...@li...'
>>>>> *Subject:* Server crash due to ImageCaptcha!
>>>>>
>>>>>
>>>>>
>>>>> Dear Team,
>>>>>
>>>>>
>>>>>
>>>>> We have been using JCPATCH version jcaptcha-1.0-mod.jar in our project
>>>>> to block automated spammers.
>>>>>
>>>>> We have been using this in our registration, forgot password,forgot
>>>>> user id and forgot both use cases.
>>>>>
>>>>>
>>>>>
>>>>> We identified that our web logic servers crashing at least once in a
>>>>> month with some STUCK THREAD issues caused due to ImageCapcha Servlet.
>>>>>
>>>>>
>>>>>
>>>>> I pasted the server error below. Can you guys please have a look and
>>>>> suggest what might have been went wrong. Also please suggest how to prevent
>>>>> this in future?
>>>>>
>>>>> In the last one year we encounter this issue more than 12 times. So we
>>>>> were forced to restart our servers.
>>>>>
>>>>>
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Prasad Reddy
>>>>>
>>>>> 001-213-244-2319
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> *10:48:38.000 PM*
>>>>>
>>>>> ####<Apr 12, 2014 10:48:38 PM PDT> <Error> <WebLogicServer> <
>>>>> ejap6.sempra.com> <umscgap6> <[ACTIVE] ExecuteThread: '73' for queue:
>>>>> 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <>
>>>>> <1397368118954> <BEA-000337> <[STUCK] ExecuteThread: '58' for queue:
>>>>> 'weblogic.kernel.Default (self-tuning)' has been busy for "602" seconds
>>>>> working on the request
>>>>> "weblogic.servlet.internal.ServletRequestImpl@1b634124[
>>>>>
>>>>> GET */forgotuserid/imageCaptcha* HTTP/1.1
>>>>>
>>>>> Accept: image/webp,*/*;q=0.8
>>>>>
>>>>> User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36
>>>>> (KHTML, like Gecko) Chrome/34.0.1847.116 Safari/537.36
>>>>>
>>>>> DNT: 1
>>>>>
>>>>> Referer:
>>>>> https://myaccountum.socalgas.com/forgotuserid/forgotUserIdStepOneEmail.jsf?fromLogin=yes
>>>>>
>>>>> Accept-Encoding: gzip,deflate,sdch
>>>>>
>>>>> Accept-Language: en,ru;q=0.8,en-US;q=0.6
>>>>>
>>>>> Cookie:
>>>>> scgumdomeaen=qZyJTKhLZRrLVshVYP2F3BPVc3ng02KnDB0pm66kkYFrnbmGM4Sy!-598822392;
>>>>> SMTRYNO=4;
>>>>> scgumdomfus=L1lYTKhNL89NJt8JThjCL8LwR90nf14DVNThQskvLKTR3HRvGTWp!-598822392;
>>>>> umscgdomfbo=rFPgTKhNQ40LnMyy8QhT7mLyqg7xnC5ZPbmp2VVL3LjGcjhpH0RK!1031570784
>>>>>
>>>>> Connection: Keep-Alive
>>>>>
>>>>> Proxy-Client-IP: 68.109.88.211
>>>>>
>>>>> X-Forwarded-For: 68.109.88.211
>>>>>
>>>>> X-WebLogic-KeepAliveSecs: 30
>>>>>
>>>>> X-WebLogic-Request-ClusterInfo: true
>>>>>
>>>>> x-weblogic-cluster-hash: oMBQxNJeBu4qh3dvmvm36DUCLxQ
>>>>>
>>>>> ]", which is more than the configured time (StuckThreadMaxTime) of
>>>>> "600" seconds. Stack trace:
>>>>>
>>>>> Thread-353267 "[STUCK] ExecuteThread: '58' for queue:
>>>>> 'weblogic.kernel.Default (self-tuning)'" <alive, suspended, priority=1,
>>>>> DAEMON> {
>>>>>
>>>>>     java.util.HashMap.get(HashMap.java:368)
>>>>>
>>>>>     sun.font.SunLayoutEngine.getEngine(SunLayoutEngine.java:109)
>>>>>
>>>>>     sun.font.GlyphLayout$EngineRecord.init(GlyphLayout.java:617)
>>>>>
>>>>>     sun.font.GlyphLayout.nextEngineRecord(GlyphLayout.java:487)
>>>>>
>>>>>     sun.font.GlyphLayout.layout(GlyphLayout.java:349)
>>>>>
>>>>>
>>>>> sun.font.ExtendedTextSourceLabel.createGV(ExtendedTextSourceLabel.java:301)
>>>>>
>>>>>
>>>>> sun.font.ExtendedTextSourceLabel.getGV(ExtendedTextSourceLabel.java:293)
>>>>>
>>>>>
>>>>> sun.font.ExtendedTextSourceLabel.createLogicalBounds(ExtendedTextSourceLabel.java:208)
>>>>>
>>>>>
>>>>> sun.font.ExtendedTextSourceLabel.getAdvance(ExtendedTextSourceLabel.java:116)
>>>>>
>>>>>     java.awt.font.TextLine.init(TextLine.java:132)
>>>>>
>>>>>     java.awt.font.TextLine.<init>(TextLine.java:93)
>>>>>
>>>>>     java.awt.font.TextLine.fastCreateTextLine(TextLine.java:879)
>>>>>
>>>>>     java.awt.font.TextLayout.fastInit(TextLayout.java:569)
>>>>>
>>>>>     java.awt.font.TextLayout.<init>(TextLayout.java:485)
>>>>>
>>>>>     sun.java2d.SunGraphics2D.drawString(SunGraphics2D.java:2801)
>>>>>
>>>>>
>>>>> com.octo.captcha.component.image.textpaster.ChangeableAttributedString.drawString(ChangeableAttributedString.java:93)
>>>>>
>>>>>
>>>>> com.octo.captcha.component.image.textpaster.RandomTextPaster.pasteText(RandomTextPaster.java:65)
>>>>>
>>>>>
>>>>> com.octo.captcha.component.image.wordtoimage.ComposedWordToImage.pasteText(ComposedWordToImage.java:130)
>>>>>
>>>>>
>>>>> com.octo.captcha.component.image.wordtoimage.AbstractWordToImage.getImage(AbstractWordToImage.java:45)
>>>>>
>>>>>
>>>>> com.octo.captcha.image.gimpy.GimpyFactory.getImageCaptcha(GimpyFactory.java:71)
>>>>>
>>>>>
>>>>> com.octo.captcha.image.ImageCaptchaFactory.getCaptcha(ImageCaptchaFactory.java:37)
>>>>>
>>>>>
>>>>> com.octo.captcha.engine.GenericCaptchaEngine.getNextCaptcha(GenericCaptchaEngine.java:81)
>>>>>
>>>>>
>>>>> com.octo.captcha.service.AbstractCaptchaService.generateAndStoreCaptcha(AbstractCaptchaService.java:156)
>>>>>
>>>>>
>>>>> com.octo.captcha.service.AbstractManageableCaptchaService.generateCountTimeStampAndStoreCaptcha(AbstractManageableCaptchaService.java:336)
>>>>>
>>>>>
>>>>> com.octo.captcha.service.AbstractManageableCaptchaService.generateAndStoreCaptcha(AbstractManageableCaptchaService.java:312)
>>>>>
>>>>>
>>>>> com.octo.captcha.service.AbstractCaptchaService.getChallengeForID(AbstractCaptchaService.java:71)
>>>>>
>>>>>
>>>>> com.octo.captcha.service.multitype.GenericManageableCaptchaService.getImageChallengeForID(GenericManageableCaptchaService.java:81)
>>>>>
>>>>>
>>>>> com.octo.captcha.module.web.image.ImageToJpegHelper.flushNewCaptchaToResponse(ImageToJpegHelper.java:55)
>>>>>
>>>>>
>>>>> com.sempra.eservices.captcha.ImageCaptchaServlet.doGet(ImageCaptchaServlet.java:20)
>>>>>
>>>>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:700)
>>>>>
>>>>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:815)
>>>>>
>>>>>
>>>>> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:224)
>>>>>
>>>>>
>>>>> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:108)
>>>>>
>>>>>
>>>>> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:206)
>>>>>
>>>>>     weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
>>>>>
>>>>>
>>>>> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
>>>>>
>>>>>
>>>>> weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:25)
>>>>>
>>>>>
>>>>> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
>>>>>
>>>>>
>>>>> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3656)
>>>>>
>>>>>
>>>>> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
>>>>>
>>>>>
>>>>> weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:308)
>>>>>
>>>>>
>>>>> weblogic.security.service.SecurityManager.runAs(SecurityManager.java:117)
>>>>>
>>>>>
>>>>> weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2204)
>>>>>
>>>>>
>>>>> weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2126)
>>>>>
>>>>>
>>>>> weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1412)
>>>>>
>>>>>     weblogic.work.ExecuteThread.execute(ExecuteThread.java:198)
>>>>>
>>>>>     weblogic.work.ExecuteThread.run(ExecuteThread.java:165)
>>>>>
>>>>> }
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------------
>>>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>>>>> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
>>>>> unparalleled scalability from the best Selenium testing platform
>>>>> available.
>>>>> Simple to use. Nothing to install. Get started now for free."
>>>>> http://p.sf.net/sfu/SauceLabs
>>>>> _______________________________________________
>>>>> jcaptcha-users mailing list
>>>>> jca...@li...
>>>>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Antoine Véret
>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>>>> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
>>>> unparalleled scalability from the best Selenium testing platform
>>>> available.
>>>> Simple to use. Nothing to install. Get started now for free."
>>>> http://p.sf.net/sfu/SauceLabs
>>>> _______________________________________________
>>>> jcaptcha-users mailing list
>>>> jca...@li...
>>>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>>>
>>>>
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>>> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
>>> unparalleled scalability from the best Selenium testing platform
>>> available.
>>> Simple to use. Nothing to install. Get started now for free."
>>> http://p.sf.net/sfu/SauceLabs
>>> _______________________________________________
>>> jcaptcha-users mailing list
>>> jca...@li...
>>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>>
>>>
>>
>>
>> --
>> Antoine Véret
>> Mobile France : (00 33) 6.20.31.14.05
>> Mobile Maroc : (00 212) 6.61.46.20.38
>>
>>
>> ------------------------------------------------------------------------------
>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
>> unparalleled scalability from the best Selenium testing platform
>> available.
>> Simple to use. Nothing to install. Get started now for free."
>> http://p.sf.net/sfu/SauceLabs
>> _______________________________________________
>> jcaptcha-users mailing list
>> jca...@li...
>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>
>>
>
>
> ------------------------------------------------------------------------------
> Is your legacy SCM system holding you back? Join Perforce May 7 to find
> out:
> &#149; 3 signs your SCM is hindering your productivity
> &#149; Requirements for releasing software faster
> &#149; Expert tips and advice for migrating your SCM now
> http://p.sf.net/sfu/perforce
> _______________________________________________
> jcaptcha-users mailing list
> jca...@li...
> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>
>

-- 
Antoine Véret
Mobile France : (00 33) 6.20.31.14.05
Mobile Maroc : (00 212) 6.61.46.20.38

Hi Antonie,

Hope you are doing great and  had a nice weekend.

I downloaded jcaptcha-2.0-alpha-1.jar and about to replace it in our
project, before doing that I have a question on your statement 'Could you
try to upgrade to the 2.0-alpha-1, and use the
GlyphsPaster<http://jcaptcha.sourceforge.net/apidocs/2.0-alpha1/com/octo/captcha/component/image/textpaster/GlyphsPaster.html>instead
of the RandomTextPaster ?
Can you tell me how to use GlyphsPaster instead of RandonTextPaster?

Thank you,
Prasad Reddy

On Thu, May 1, 2014 at 3:19 PM, Antoine Véret <ant...@gm...>wrote:

> Hello Prasad,
>
> the Hashmap issue is not located in the JCaptcha code, so there isn't any
> workaround.
>
> Could you try to upgrade to the 2.0-alpha-1, and use the GlyphsPaster<http://jcaptcha.sourceforge.net/apidocs/2.0-alpha1/com/octo/captcha/component/image/textpaster/GlyphsPaster.html>instead of the RandomTextPaster ?
>
> You will a sample configuration here<http://jcaptcha.sourceforge.net/jcaptcha/xref/com/octo/captcha/engine/image/gimpy/GmailEngine.html>
> .
>
> Regards
>
>
>
>
>
>
>
> On Wed, Apr 30, 2014 at 12:36 AM, Prasad Reddy <pra...@gm...>wrote:
>
>> Thank you very much for the clarification Antoine.
>> Probability of occurrence of this issue is almost once in every month.So
>> definitely I would say its not very 'Rarely Reproducible' .
>>
>> So as the problem is with read access to the HasMap is not synchronized,
>> do we need to use JDK 8?, I afraid for the upgrade from current JDK 6 to
>> latest JDK 8, as our code may fail in compilation due backward
>> compatibility.
>> So will you please suggest if there are any other alternatives, like for
>> example, what if we use ConcurrenthashMap in jcapcha code base rather than
>> simple HashMap?
>>
>> Thanks,
>> Prasad Reddy
>>
>>
>>
>> On Tue, Apr 29, 2014 at 4:08 PM, Antoine Véret <ant...@gm...>wrote:
>>
>>> Hello Prasad,
>>>
>>> It is about this JDK 6 bug<http://bugs.java.com/view_bug.do?bug_id=7027300>
>>> .
>>>
>>> I am afraid you will have to wait until you could upgrade to the JDK 8
>>> to fix the issue. Does it appends more than the "rarely reproducibility" ?
>>> What is the frequency of the 12 times ?
>>>
>>> About versions of the JAR file, you could find the 1.0 on the maven
>>> central repo<http://mvnrepository.com/artifact/com.octo.captcha/jcaptcha/1.0>,
>>> and the 2.0-alpha-1<https://jcaptcha.atlassian.net/wiki/display/general/2010/01/22/JCaptcha+2.0-alpha-1>in thesonatype oss repo<https://oss.sonatype.org/content/groups/sourceforge/com/octo/captcha/>
>>> .
>>>
>>> Regards
>>>
>>>
>>> On Tue, Apr 29, 2014 at 5:34 PM, Reddy, Prasad <
>>> PR...@se...> wrote:
>>>
>>>>  Dear Friends,
>>>>
>>>>
>>>>
>>>> Any update please.Also can you please share me the latest jcaptcha jar
>>>> file
>>>>
>>>>
>>>>
>>>> Thanks,
>>>>
>>>> Prasad Reddy
>>>>
>>>> 213-244-2319
>>>>
>>>>
>>>>
>>>> *From:* Reddy, Prasad
>>>> *Sent:* Thursday, April 24, 2014 3:07 PM
>>>> *To:* 'jca...@li...'
>>>> *Subject:* Server crash due to ImageCaptcha!
>>>>
>>>>
>>>>
>>>> Dear Team,
>>>>
>>>>
>>>>
>>>> We have been using JCPATCH version jcaptcha-1.0-mod.jar in our project
>>>> to block automated spammers.
>>>>
>>>> We have been using this in our registration, forgot password,forgot
>>>> user id and forgot both use cases.
>>>>
>>>>
>>>>
>>>> We identified that our web logic servers crashing at least once in a
>>>> month with some STUCK THREAD issues caused due to ImageCapcha Servlet.
>>>>
>>>>
>>>>
>>>> I pasted the server error below. Can you guys please have a look and
>>>> suggest what might have been went wrong. Also please suggest how to prevent
>>>> this in future?
>>>>
>>>> In the last one year we encounter this issue more than 12 times. So we
>>>> were forced to restart our servers.
>>>>
>>>>
>>>>
>>>> Thanks,
>>>>
>>>> Prasad Reddy
>>>>
>>>> 001-213-244-2319
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> *10:48:38.000 PM*
>>>>
>>>> ####<Apr 12, 2014 10:48:38 PM PDT> <Error> <WebLogicServer> <
>>>> ejap6.sempra.com> <umscgap6> <[ACTIVE] ExecuteThread: '73' for queue:
>>>> 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <>
>>>> <1397368118954> <BEA-000337> <[STUCK] ExecuteThread: '58' for queue:
>>>> 'weblogic.kernel.Default (self-tuning)' has been busy for "602" seconds
>>>> working on the request
>>>> "weblogic.servlet.internal.ServletRequestImpl@1b634124[
>>>>
>>>> GET */forgotuserid/imageCaptcha* HTTP/1.1
>>>>
>>>> Accept: image/webp,*/*;q=0.8
>>>>
>>>> User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36
>>>> (KHTML, like Gecko) Chrome/34.0.1847.116 Safari/537.36
>>>>
>>>> DNT: 1
>>>>
>>>> Referer:
>>>> https://myaccountum.socalgas.com/forgotuserid/forgotUserIdStepOneEmail.jsf?fromLogin=yes
>>>>
>>>> Accept-Encoding: gzip,deflate,sdch
>>>>
>>>> Accept-Language: en,ru;q=0.8,en-US;q=0.6
>>>>
>>>> Cookie:
>>>> scgumdomeaen=qZyJTKhLZRrLVshVYP2F3BPVc3ng02KnDB0pm66kkYFrnbmGM4Sy!-598822392;
>>>> SMTRYNO=4;
>>>> scgumdomfus=L1lYTKhNL89NJt8JThjCL8LwR90nf14DVNThQskvLKTR3HRvGTWp!-598822392;
>>>> umscgdomfbo=rFPgTKhNQ40LnMyy8QhT7mLyqg7xnC5ZPbmp2VVL3LjGcjhpH0RK!1031570784
>>>>
>>>> Connection: Keep-Alive
>>>>
>>>> Proxy-Client-IP: 68.109.88.211
>>>>
>>>> X-Forwarded-For: 68.109.88.211
>>>>
>>>> X-WebLogic-KeepAliveSecs: 30
>>>>
>>>> X-WebLogic-Request-ClusterInfo: true
>>>>
>>>> x-weblogic-cluster-hash: oMBQxNJeBu4qh3dvmvm36DUCLxQ
>>>>
>>>> ]", which is more than the configured time (StuckThreadMaxTime) of
>>>> "600" seconds. Stack trace:
>>>>
>>>> Thread-353267 "[STUCK] ExecuteThread: '58' for queue:
>>>> 'weblogic.kernel.Default (self-tuning)'" <alive, suspended, priority=1,
>>>> DAEMON> {
>>>>
>>>>     java.util.HashMap.get(HashMap.java:368)
>>>>
>>>>     sun.font.SunLayoutEngine.getEngine(SunLayoutEngine.java:109)
>>>>
>>>>     sun.font.GlyphLayout$EngineRecord.init(GlyphLayout.java:617)
>>>>
>>>>     sun.font.GlyphLayout.nextEngineRecord(GlyphLayout.java:487)
>>>>
>>>>     sun.font.GlyphLayout.layout(GlyphLayout.java:349)
>>>>
>>>>
>>>> sun.font.ExtendedTextSourceLabel.createGV(ExtendedTextSourceLabel.java:301)
>>>>
>>>>
>>>> sun.font.ExtendedTextSourceLabel.getGV(ExtendedTextSourceLabel.java:293)
>>>>
>>>>
>>>> sun.font.ExtendedTextSourceLabel.createLogicalBounds(ExtendedTextSourceLabel.java:208)
>>>>
>>>>
>>>> sun.font.ExtendedTextSourceLabel.getAdvance(ExtendedTextSourceLabel.java:116)
>>>>
>>>>     java.awt.font.TextLine.init(TextLine.java:132)
>>>>
>>>>     java.awt.font.TextLine.<init>(TextLine.java:93)
>>>>
>>>>     java.awt.font.TextLine.fastCreateTextLine(TextLine.java:879)
>>>>
>>>>     java.awt.font.TextLayout.fastInit(TextLayout.java:569)
>>>>
>>>>     java.awt.font.TextLayout.<init>(TextLayout.java:485)
>>>>
>>>>     sun.java2d.SunGraphics2D.drawString(SunGraphics2D.java:2801)
>>>>
>>>>
>>>> com.octo.captcha.component.image.textpaster.ChangeableAttributedString.drawString(ChangeableAttributedString.java:93)
>>>>
>>>>
>>>> com.octo.captcha.component.image.textpaster.RandomTextPaster.pasteText(RandomTextPaster.java:65)
>>>>
>>>>
>>>> com.octo.captcha.component.image.wordtoimage.ComposedWordToImage.pasteText(ComposedWordToImage.java:130)
>>>>
>>>>
>>>> com.octo.captcha.component.image.wordtoimage.AbstractWordToImage.getImage(AbstractWordToImage.java:45)
>>>>
>>>>
>>>> com.octo.captcha.image.gimpy.GimpyFactory.getImageCaptcha(GimpyFactory.java:71)
>>>>
>>>>
>>>> com.octo.captcha.image.ImageCaptchaFactory.getCaptcha(ImageCaptchaFactory.java:37)
>>>>
>>>>
>>>> com.octo.captcha.engine.GenericCaptchaEngine.getNextCaptcha(GenericCaptchaEngine.java:81)
>>>>
>>>>
>>>> com.octo.captcha.service.AbstractCaptchaService.generateAndStoreCaptcha(AbstractCaptchaService.java:156)
>>>>
>>>>
>>>> com.octo.captcha.service.AbstractManageableCaptchaService.generateCountTimeStampAndStoreCaptcha(AbstractManageableCaptchaService.java:336)
>>>>
>>>>
>>>> com.octo.captcha.service.AbstractManageableCaptchaService.generateAndStoreCaptcha(AbstractManageableCaptchaService.java:312)
>>>>
>>>>
>>>> com.octo.captcha.service.AbstractCaptchaService.getChallengeForID(AbstractCaptchaService.java:71)
>>>>
>>>>
>>>> com.octo.captcha.service.multitype.GenericManageableCaptchaService.getImageChallengeForID(GenericManageableCaptchaService.java:81)
>>>>
>>>>
>>>> com.octo.captcha.module.web.image.ImageToJpegHelper.flushNewCaptchaToResponse(ImageToJpegHelper.java:55)
>>>>
>>>>
>>>> com.sempra.eservices.captcha.ImageCaptchaServlet.doGet(ImageCaptchaServlet.java:20)
>>>>
>>>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:700)
>>>>
>>>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:815)
>>>>
>>>>
>>>> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:224)
>>>>
>>>>
>>>> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:108)
>>>>
>>>>
>>>> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:206)
>>>>
>>>>     weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
>>>>
>>>>
>>>> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
>>>>
>>>>
>>>> weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:25)
>>>>
>>>>
>>>> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
>>>>
>>>>
>>>> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3656)
>>>>
>>>>
>>>> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
>>>>
>>>>
>>>> weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:308)
>>>>
>>>>
>>>> weblogic.security.service.SecurityManager.runAs(SecurityManager.java:117)
>>>>
>>>>
>>>> weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2204)
>>>>
>>>>
>>>> weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2126)
>>>>
>>>>
>>>> weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1412)
>>>>
>>>>     weblogic.work.ExecuteThread.execute(ExecuteThread.java:198)
>>>>
>>>>     weblogic.work.ExecuteThread.run(ExecuteThread.java:165)
>>>>
>>>> }
>>>>
>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>>>> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
>>>> unparalleled scalability from the best Selenium testing platform
>>>> available.
>>>> Simple to use. Nothing to install. Get started now for free."
>>>> http://p.sf.net/sfu/SauceLabs
>>>> _______________________________________________
>>>> jcaptcha-users mailing list
>>>> jca...@li...
>>>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>>>
>>>>
>>>
>>>
>>> --
>>> Antoine Véret
>>>
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>>> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
>>> unparalleled scalability from the best Selenium testing platform
>>> available.
>>> Simple to use. Nothing to install. Get started now for free."
>>> http://p.sf.net/sfu/SauceLabs
>>> _______________________________________________
>>> jcaptcha-users mailing list
>>> jca...@li...
>>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>>
>>>
>>
>>
>> ------------------------------------------------------------------------------
>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
>> unparalleled scalability from the best Selenium testing platform
>> available.
>> Simple to use. Nothing to install. Get started now for free."
>> http://p.sf.net/sfu/SauceLabs
>> _______________________________________________
>> jcaptcha-users mailing list
>> jca...@li...
>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>
>>
>
>
> --
> Antoine Véret
> Mobile France : (00 33) 6.20.31.14.05
> Mobile Maroc : (00 212) 6.61.46.20.38
>
>
> ------------------------------------------------------------------------------
> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
> unparalleled scalability from the best Selenium testing platform available.
> Simple to use. Nothing to install. Get started now for free."
> http://p.sf.net/sfu/SauceLabs
> _______________________________________________
> jcaptcha-users mailing list
> jca...@li...
> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>
>

Hello Prasad,

the Hashmap issue is not located in the JCaptcha code, so there isn't any
workaround.

Could you try to upgrade to the 2.0-alpha-1, and use the
GlyphsPaster<http://jcaptcha.sourceforge.net/apidocs/2.0-alpha1/com/octo/captcha/component/image/textpaster/GlyphsPaster.html>instead
of the RandomTextPaster ?

You will a sample configuration
here<http://jcaptcha.sourceforge.net/jcaptcha/xref/com/octo/captcha/engine/image/gimpy/GmailEngine.html>
.

Regards

On Wed, Apr 30, 2014 at 12:36 AM, Prasad Reddy <pra...@gm...>wrote:

> Thank you very much for the clarification Antoine.
> Probability of occurrence of this issue is almost once in every month.So
> definitely I would say its not very 'Rarely Reproducible' .
>
> So as the problem is with read access to the HasMap is not synchronized,
> do we need to use JDK 8?, I afraid for the upgrade from current JDK 6 to
> latest JDK 8, as our code may fail in compilation due backward
> compatibility.
> So will you please suggest if there are any other alternatives, like for
> example, what if we use ConcurrenthashMap in jcapcha code base rather than
> simple HashMap?
>
> Thanks,
> Prasad Reddy
>
>
>
> On Tue, Apr 29, 2014 at 4:08 PM, Antoine Véret <ant...@gm...>wrote:
>
>> Hello Prasad,
>>
>> It is about this JDK 6 bug<http://bugs.java.com/view_bug.do?bug_id=7027300>
>> .
>>
>> I am afraid you will have to wait until you could upgrade to the JDK 8 to
>> fix the issue. Does it appends more than the "rarely reproducibility" ?
>> What is the frequency of the 12 times ?
>>
>> About versions of the JAR file, you could find the 1.0 on the maven
>> central repo<http://mvnrepository.com/artifact/com.octo.captcha/jcaptcha/1.0>,
>> and the 2.0-alpha-1<https://jcaptcha.atlassian.net/wiki/display/general/2010/01/22/JCaptcha+2.0-alpha-1>in thesonatype oss repo<https://oss.sonatype.org/content/groups/sourceforge/com/octo/captcha/>
>> .
>>
>> Regards
>>
>>
>> On Tue, Apr 29, 2014 at 5:34 PM, Reddy, Prasad <
>> PR...@se...> wrote:
>>
>>>  Dear Friends,
>>>
>>>
>>>
>>> Any update please.Also can you please share me the latest jcaptcha jar
>>> file
>>>
>>>
>>>
>>> Thanks,
>>>
>>> Prasad Reddy
>>>
>>> 213-244-2319
>>>
>>>
>>>
>>> *From:* Reddy, Prasad
>>> *Sent:* Thursday, April 24, 2014 3:07 PM
>>> *To:* 'jca...@li...'
>>> *Subject:* Server crash due to ImageCaptcha!
>>>
>>>
>>>
>>> Dear Team,
>>>
>>>
>>>
>>> We have been using JCPATCH version jcaptcha-1.0-mod.jar in our project
>>> to block automated spammers.
>>>
>>> We have been using this in our registration, forgot password,forgot user
>>> id and forgot both use cases.
>>>
>>>
>>>
>>> We identified that our web logic servers crashing at least once in a
>>> month with some STUCK THREAD issues caused due to ImageCapcha Servlet.
>>>
>>>
>>>
>>> I pasted the server error below. Can you guys please have a look and
>>> suggest what might have been went wrong. Also please suggest how to prevent
>>> this in future?
>>>
>>> In the last one year we encounter this issue more than 12 times. So we
>>> were forced to restart our servers.
>>>
>>>
>>>
>>> Thanks,
>>>
>>> Prasad Reddy
>>>
>>> 001-213-244-2319
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> *10:48:38.000 PM*
>>>
>>> ####<Apr 12, 2014 10:48:38 PM PDT> <Error> <WebLogicServer> <
>>> ejap6.sempra.com> <umscgap6> <[ACTIVE] ExecuteThread: '73' for queue:
>>> 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <>
>>> <1397368118954> <BEA-000337> <[STUCK] ExecuteThread: '58' for queue:
>>> 'weblogic.kernel.Default (self-tuning)' has been busy for "602" seconds
>>> working on the request
>>> "weblogic.servlet.internal.ServletRequestImpl@1b634124[
>>>
>>> GET */forgotuserid/imageCaptcha* HTTP/1.1
>>>
>>> Accept: image/webp,*/*;q=0.8
>>>
>>> User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36
>>> (KHTML, like Gecko) Chrome/34.0.1847.116 Safari/537.36
>>>
>>> DNT: 1
>>>
>>> Referer:
>>> https://myaccountum.socalgas.com/forgotuserid/forgotUserIdStepOneEmail.jsf?fromLogin=yes
>>>
>>> Accept-Encoding: gzip,deflate,sdch
>>>
>>> Accept-Language: en,ru;q=0.8,en-US;q=0.6
>>>
>>> Cookie:
>>> scgumdomeaen=qZyJTKhLZRrLVshVYP2F3BPVc3ng02KnDB0pm66kkYFrnbmGM4Sy!-598822392;
>>> SMTRYNO=4;
>>> scgumdomfus=L1lYTKhNL89NJt8JThjCL8LwR90nf14DVNThQskvLKTR3HRvGTWp!-598822392;
>>> umscgdomfbo=rFPgTKhNQ40LnMyy8QhT7mLyqg7xnC5ZPbmp2VVL3LjGcjhpH0RK!1031570784
>>>
>>> Connection: Keep-Alive
>>>
>>> Proxy-Client-IP: 68.109.88.211
>>>
>>> X-Forwarded-For: 68.109.88.211
>>>
>>> X-WebLogic-KeepAliveSecs: 30
>>>
>>> X-WebLogic-Request-ClusterInfo: true
>>>
>>> x-weblogic-cluster-hash: oMBQxNJeBu4qh3dvmvm36DUCLxQ
>>>
>>> ]", which is more than the configured time (StuckThreadMaxTime) of "600"
>>> seconds. Stack trace:
>>>
>>> Thread-353267 "[STUCK] ExecuteThread: '58' for queue:
>>> 'weblogic.kernel.Default (self-tuning)'" <alive, suspended, priority=1,
>>> DAEMON> {
>>>
>>>     java.util.HashMap.get(HashMap.java:368)
>>>
>>>     sun.font.SunLayoutEngine.getEngine(SunLayoutEngine.java:109)
>>>
>>>     sun.font.GlyphLayout$EngineRecord.init(GlyphLayout.java:617)
>>>
>>>     sun.font.GlyphLayout.nextEngineRecord(GlyphLayout.java:487)
>>>
>>>     sun.font.GlyphLayout.layout(GlyphLayout.java:349)
>>>
>>>
>>> sun.font.ExtendedTextSourceLabel.createGV(ExtendedTextSourceLabel.java:301)
>>>
>>>
>>> sun.font.ExtendedTextSourceLabel.getGV(ExtendedTextSourceLabel.java:293)
>>>
>>>
>>> sun.font.ExtendedTextSourceLabel.createLogicalBounds(ExtendedTextSourceLabel.java:208)
>>>
>>>
>>> sun.font.ExtendedTextSourceLabel.getAdvance(ExtendedTextSourceLabel.java:116)
>>>
>>>     java.awt.font.TextLine.init(TextLine.java:132)
>>>
>>>     java.awt.font.TextLine.<init>(TextLine.java:93)
>>>
>>>     java.awt.font.TextLine.fastCreateTextLine(TextLine.java:879)
>>>
>>>     java.awt.font.TextLayout.fastInit(TextLayout.java:569)
>>>
>>>     java.awt.font.TextLayout.<init>(TextLayout.java:485)
>>>
>>>     sun.java2d.SunGraphics2D.drawString(SunGraphics2D.java:2801)
>>>
>>>
>>> com.octo.captcha.component.image.textpaster.ChangeableAttributedString.drawString(ChangeableAttributedString.java:93)
>>>
>>>
>>> com.octo.captcha.component.image.textpaster.RandomTextPaster.pasteText(RandomTextPaster.java:65)
>>>
>>>
>>> com.octo.captcha.component.image.wordtoimage.ComposedWordToImage.pasteText(ComposedWordToImage.java:130)
>>>
>>>
>>> com.octo.captcha.component.image.wordtoimage.AbstractWordToImage.getImage(AbstractWordToImage.java:45)
>>>
>>>
>>> com.octo.captcha.image.gimpy.GimpyFactory.getImageCaptcha(GimpyFactory.java:71)
>>>
>>>
>>> com.octo.captcha.image.ImageCaptchaFactory.getCaptcha(ImageCaptchaFactory.java:37)
>>>
>>>
>>> com.octo.captcha.engine.GenericCaptchaEngine.getNextCaptcha(GenericCaptchaEngine.java:81)
>>>
>>>
>>> com.octo.captcha.service.AbstractCaptchaService.generateAndStoreCaptcha(AbstractCaptchaService.java:156)
>>>
>>>
>>> com.octo.captcha.service.AbstractManageableCaptchaService.generateCountTimeStampAndStoreCaptcha(AbstractManageableCaptchaService.java:336)
>>>
>>>
>>> com.octo.captcha.service.AbstractManageableCaptchaService.generateAndStoreCaptcha(AbstractManageableCaptchaService.java:312)
>>>
>>>
>>> com.octo.captcha.service.AbstractCaptchaService.getChallengeForID(AbstractCaptchaService.java:71)
>>>
>>>
>>> com.octo.captcha.service.multitype.GenericManageableCaptchaService.getImageChallengeForID(GenericManageableCaptchaService.java:81)
>>>
>>>
>>> com.octo.captcha.module.web.image.ImageToJpegHelper.flushNewCaptchaToResponse(ImageToJpegHelper.java:55)
>>>
>>>
>>> com.sempra.eservices.captcha.ImageCaptchaServlet.doGet(ImageCaptchaServlet.java:20)
>>>
>>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:700)
>>>
>>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:815)
>>>
>>>
>>> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:224)
>>>
>>>
>>> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:108)
>>>
>>>
>>> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:206)
>>>
>>>     weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
>>>
>>>
>>> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
>>>
>>>
>>> weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:25)
>>>
>>>
>>> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
>>>
>>>
>>> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3656)
>>>
>>>
>>> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
>>>
>>>
>>> weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:308)
>>>
>>>
>>> weblogic.security.service.SecurityManager.runAs(SecurityManager.java:117)
>>>
>>>
>>> weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2204)
>>>
>>>
>>> weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2126)
>>>
>>>
>>> weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1412)
>>>
>>>     weblogic.work.ExecuteThread.execute(ExecuteThread.java:198)
>>>
>>>     weblogic.work.ExecuteThread.run(ExecuteThread.java:165)
>>>
>>> }
>>>
>>>
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>>> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
>>> unparalleled scalability from the best Selenium testing platform
>>> available.
>>> Simple to use. Nothing to install. Get started now for free."
>>> http://p.sf.net/sfu/SauceLabs
>>> _______________________________________________
>>> jcaptcha-users mailing list
>>> jca...@li...
>>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>>
>>>
>>
>>
>> --
>> Antoine Véret
>>
>>
>>
>> ------------------------------------------------------------------------------
>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
>> unparalleled scalability from the best Selenium testing platform
>> available.
>> Simple to use. Nothing to install. Get started now for free."
>> http://p.sf.net/sfu/SauceLabs
>> _______________________________________________
>> jcaptcha-users mailing list
>> jca...@li...
>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>
>>
>
>
> ------------------------------------------------------------------------------
> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
> unparalleled scalability from the best Selenium testing platform available.
> Simple to use. Nothing to install. Get started now for free."
> http://p.sf.net/sfu/SauceLabs
> _______________________________________________
> jcaptcha-users mailing list
> jca...@li...
> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>
>

-- 
Antoine Véret
Mobile France : (00 33) 6.20.31.14.05
Mobile Maroc : (00 212) 6.61.46.20.38

Thank you very much for the clarification Antoine.
Probability of occurrence of this issue is almost once in every month.So
definitely I would say its not very 'Rarely Reproducible' .

So as the problem is with read access to the HasMap is not synchronized, do
we need to use JDK 8?, I afraid for the upgrade from current JDK 6 to
latest JDK 8, as our code may fail in compilation due backward
compatibility.
So will you please suggest if there are any other alternatives, like for
example, what if we use ConcurrenthashMap in jcapcha code base rather than
simple HashMap?

Thanks,
Prasad Reddy

On Tue, Apr 29, 2014 at 4:08 PM, Antoine Véret <ant...@gm...>wrote:

> Hello Prasad,
>
> It is about this JDK 6 bug<http://bugs.java.com/view_bug.do?bug_id=7027300>
> .
>
> I am afraid you will have to wait until you could upgrade to the JDK 8 to
> fix the issue. Does it appends more than the "rarely reproducibility" ?
> What is the frequency of the 12 times ?
>
> About versions of the JAR file, you could find the 1.0 on the maven
> central repo<http://mvnrepository.com/artifact/com.octo.captcha/jcaptcha/1.0>,
> and the 2.0-alpha-1<https://jcaptcha.atlassian.net/wiki/display/general/2010/01/22/JCaptcha+2.0-alpha-1>in thesonatype oss repo<https://oss.sonatype.org/content/groups/sourceforge/com/octo/captcha/>
> .
>
> Regards
>
>
> On Tue, Apr 29, 2014 at 5:34 PM, Reddy, Prasad <PR...@se...
> > wrote:
>
>> Dear Friends,
>>
>>
>>
>> Any update please.Also can you please share me the latest jcaptcha jar
>> file
>>
>>
>>
>> Thanks,
>>
>> Prasad Reddy
>>
>> 213-244-2319
>>
>>
>>
>> *From:* Reddy, Prasad
>> *Sent:* Thursday, April 24, 2014 3:07 PM
>> *To:* 'jca...@li...'
>> *Subject:* Server crash due to ImageCaptcha!
>>
>>
>>
>> Dear Team,
>>
>>
>>
>> We have been using JCPATCH version jcaptcha-1.0-mod.jar in our project to
>> block automated spammers.
>>
>> We have been using this in our registration, forgot password,forgot user
>> id and forgot both use cases.
>>
>>
>>
>> We identified that our web logic servers crashing at least once in a
>> month with some STUCK THREAD issues caused due to ImageCapcha Servlet.
>>
>>
>>
>> I pasted the server error below. Can you guys please have a look and
>> suggest what might have been went wrong. Also please suggest how to prevent
>> this in future?
>>
>> In the last one year we encounter this issue more than 12 times. So we
>> were forced to restart our servers.
>>
>>
>>
>> Thanks,
>>
>> Prasad Reddy
>>
>> 001-213-244-2319
>>
>>
>>
>>
>>
>>
>>
>>
>> *10:48:38.000 PM*
>>
>> ####<Apr 12, 2014 10:48:38 PM PDT> <Error> <WebLogicServer> <
>> ejap6.sempra.com> <umscgap6> <[ACTIVE] ExecuteThread: '73' for queue:
>> 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <>
>> <1397368118954> <BEA-000337> <[STUCK] ExecuteThread: '58' for queue:
>> 'weblogic.kernel.Default (self-tuning)' has been busy for "602" seconds
>> working on the request
>> "weblogic.servlet.internal.ServletRequestImpl@1b634124[
>>
>> GET */forgotuserid/imageCaptcha* HTTP/1.1
>>
>> Accept: image/webp,*/*;q=0.8
>>
>> User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36
>> (KHTML, like Gecko) Chrome/34.0.1847.116 Safari/537.36
>>
>> DNT: 1
>>
>> Referer:
>> https://myaccountum.socalgas.com/forgotuserid/forgotUserIdStepOneEmail.jsf?fromLogin=yes
>>
>> Accept-Encoding: gzip,deflate,sdch
>>
>> Accept-Language: en,ru;q=0.8,en-US;q=0.6
>>
>> Cookie:
>> scgumdomeaen=qZyJTKhLZRrLVshVYP2F3BPVc3ng02KnDB0pm66kkYFrnbmGM4Sy!-598822392;
>> SMTRYNO=4;
>> scgumdomfus=L1lYTKhNL89NJt8JThjCL8LwR90nf14DVNThQskvLKTR3HRvGTWp!-598822392;
>> umscgdomfbo=rFPgTKhNQ40LnMyy8QhT7mLyqg7xnC5ZPbmp2VVL3LjGcjhpH0RK!1031570784
>>
>> Connection: Keep-Alive
>>
>> Proxy-Client-IP: 68.109.88.211
>>
>> X-Forwarded-For: 68.109.88.211
>>
>> X-WebLogic-KeepAliveSecs: 30
>>
>> X-WebLogic-Request-ClusterInfo: true
>>
>> x-weblogic-cluster-hash: oMBQxNJeBu4qh3dvmvm36DUCLxQ
>>
>> ]", which is more than the configured time (StuckThreadMaxTime) of "600"
>> seconds. Stack trace:
>>
>> Thread-353267 "[STUCK] ExecuteThread: '58' for queue:
>> 'weblogic.kernel.Default (self-tuning)'" <alive, suspended, priority=1,
>> DAEMON> {
>>
>>     java.util.HashMap.get(HashMap.java:368)
>>
>>     sun.font.SunLayoutEngine.getEngine(SunLayoutEngine.java:109)
>>
>>     sun.font.GlyphLayout$EngineRecord.init(GlyphLayout.java:617)
>>
>>     sun.font.GlyphLayout.nextEngineRecord(GlyphLayout.java:487)
>>
>>     sun.font.GlyphLayout.layout(GlyphLayout.java:349)
>>
>>
>> sun.font.ExtendedTextSourceLabel.createGV(ExtendedTextSourceLabel.java:301)
>>
>>
>> sun.font.ExtendedTextSourceLabel.getGV(ExtendedTextSourceLabel.java:293)
>>
>>
>> sun.font.ExtendedTextSourceLabel.createLogicalBounds(ExtendedTextSourceLabel.java:208)
>>
>>
>> sun.font.ExtendedTextSourceLabel.getAdvance(ExtendedTextSourceLabel.java:116)
>>
>>     java.awt.font.TextLine.init(TextLine.java:132)
>>
>>     java.awt.font.TextLine.<init>(TextLine.java:93)
>>
>>     java.awt.font.TextLine.fastCreateTextLine(TextLine.java:879)
>>
>>     java.awt.font.TextLayout.fastInit(TextLayout.java:569)
>>
>>     java.awt.font.TextLayout.<init>(TextLayout.java:485)
>>
>>     sun.java2d.SunGraphics2D.drawString(SunGraphics2D.java:2801)
>>
>>
>> com.octo.captcha.component.image.textpaster.ChangeableAttributedString.drawString(ChangeableAttributedString.java:93)
>>
>>
>> com.octo.captcha.component.image.textpaster.RandomTextPaster.pasteText(RandomTextPaster.java:65)
>>
>>
>> com.octo.captcha.component.image.wordtoimage.ComposedWordToImage.pasteText(ComposedWordToImage.java:130)
>>
>>
>> com.octo.captcha.component.image.wordtoimage.AbstractWordToImage.getImage(AbstractWordToImage.java:45)
>>
>>
>> com.octo.captcha.image.gimpy.GimpyFactory.getImageCaptcha(GimpyFactory.java:71)
>>
>>
>> com.octo.captcha.image.ImageCaptchaFactory.getCaptcha(ImageCaptchaFactory.java:37)
>>
>>
>> com.octo.captcha.engine.GenericCaptchaEngine.getNextCaptcha(GenericCaptchaEngine.java:81)
>>
>>
>> com.octo.captcha.service.AbstractCaptchaService.generateAndStoreCaptcha(AbstractCaptchaService.java:156)
>>
>>
>> com.octo.captcha.service.AbstractManageableCaptchaService.generateCountTimeStampAndStoreCaptcha(AbstractManageableCaptchaService.java:336)
>>
>>
>> com.octo.captcha.service.AbstractManageableCaptchaService.generateAndStoreCaptcha(AbstractManageableCaptchaService.java:312)
>>
>>
>> com.octo.captcha.service.AbstractCaptchaService.getChallengeForID(AbstractCaptchaService.java:71)
>>
>>
>> com.octo.captcha.service.multitype.GenericManageableCaptchaService.getImageChallengeForID(GenericManageableCaptchaService.java:81)
>>
>>
>> com.octo.captcha.module.web.image.ImageToJpegHelper.flushNewCaptchaToResponse(ImageToJpegHelper.java:55)
>>
>>
>> com.sempra.eservices.captcha.ImageCaptchaServlet.doGet(ImageCaptchaServlet.java:20)
>>
>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:700)
>>
>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:815)
>>
>>
>> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:224)
>>
>>
>> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:108)
>>
>>
>> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:206)
>>
>>     weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
>>
>>
>> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
>>
>>
>> weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:25)
>>
>>
>> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
>>
>>
>> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3656)
>>
>>
>> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
>>
>>
>> weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:308)
>>
>>
>> weblogic.security.service.SecurityManager.runAs(SecurityManager.java:117)
>>
>>
>> weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2204)
>>
>>
>> weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2126)
>>
>>
>> weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1412)
>>
>>     weblogic.work.ExecuteThread.execute(ExecuteThread.java:198)
>>
>>     weblogic.work.ExecuteThread.run(ExecuteThread.java:165)
>>
>> }
>>
>>
>>
>>
>> ------------------------------------------------------------------------------
>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
>> unparalleled scalability from the best Selenium testing platform
>> available.
>> Simple to use. Nothing to install. Get started now for free."
>> http://p.sf.net/sfu/SauceLabs
>> _______________________________________________
>> jcaptcha-users mailing list
>> jca...@li...
>> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>>
>>
>
>
> --
> Antoine Véret
>
>
>
> ------------------------------------------------------------------------------
> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
> unparalleled scalability from the best Selenium testing platform available.
> Simple to use. Nothing to install. Get started now for free."
> http://p.sf.net/sfu/SauceLabs
> _______________________________________________
> jcaptcha-users mailing list
> jca...@li...
> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>
>

Hello Prasad,

It is about this JDK 6 bug <http://bugs.java.com/view_bug.do?bug_id=7027300>
.

I am afraid you will have to wait until you could upgrade to the JDK 8 to
fix the issue. Does it appends more than the "rarely reproducibility" ?
What is the frequency of the 12 times ?

About versions of the JAR file, you could find the 1.0 on the maven central
repo <http://mvnrepository.com/artifact/com.octo.captcha/jcaptcha/1.0>, and
the 2.0-alpha-1<https://jcaptcha.atlassian.net/wiki/display/general/2010/01/22/JCaptcha+2.0-alpha-1>in
thesonatype oss
repo<https://oss.sonatype.org/content/groups/sourceforge/com/octo/captcha/>
.

Regards

On Tue, Apr 29, 2014 at 5:34 PM, Reddy, Prasad
<PR...@se...>wrote:

> Dear Friends,
>
>
>
> Any update please.Also can you please share me the latest jcaptcha jar file
>
>
>
> Thanks,
>
> Prasad Reddy
>
> 213-244-2319
>
>
>
> *From:* Reddy, Prasad
> *Sent:* Thursday, April 24, 2014 3:07 PM
> *To:* 'jca...@li...'
> *Subject:* Server crash due to ImageCaptcha!
>
>
>
> Dear Team,
>
>
>
> We have been using JCPATCH version jcaptcha-1.0-mod.jar in our project to
> block automated spammers.
>
> We have been using this in our registration, forgot password,forgot user
> id and forgot both use cases.
>
>
>
> We identified that our web logic servers crashing at least once in a month
> with some STUCK THREAD issues caused due to ImageCapcha Servlet.
>
>
>
> I pasted the server error below. Can you guys please have a look and
> suggest what might have been went wrong. Also please suggest how to prevent
> this in future?
>
> In the last one year we encounter this issue more than 12 times. So we
> were forced to restart our servers.
>
>
>
> Thanks,
>
> Prasad Reddy
>
> 001-213-244-2319
>
>
>
>
>
>
>
>
> *10:48:38.000 PM*
>
> ####<Apr 12, 2014 10:48:38 PM PDT> <Error> <WebLogicServer> <
> ejap6.sempra.com> <umscgap6> <[ACTIVE] ExecuteThread: '73' for queue:
> 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <>
> <1397368118954> <BEA-000337> <[STUCK] ExecuteThread: '58' for queue:
> 'weblogic.kernel.Default (self-tuning)' has been busy for "602" seconds
> working on the request
> "weblogic.servlet.internal.ServletRequestImpl@1b634124[
>
> GET */forgotuserid/imageCaptcha* HTTP/1.1
>
> Accept: image/webp,*/*;q=0.8
>
> User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML,
> like Gecko) Chrome/34.0.1847.116 Safari/537.36
>
> DNT: 1
>
> Referer:
> https://myaccountum.socalgas.com/forgotuserid/forgotUserIdStepOneEmail.jsf?fromLogin=yes
>
> Accept-Encoding: gzip,deflate,sdch
>
> Accept-Language: en,ru;q=0.8,en-US;q=0.6
>
> Cookie:
> scgumdomeaen=qZyJTKhLZRrLVshVYP2F3BPVc3ng02KnDB0pm66kkYFrnbmGM4Sy!-598822392;
> SMTRYNO=4;
> scgumdomfus=L1lYTKhNL89NJt8JThjCL8LwR90nf14DVNThQskvLKTR3HRvGTWp!-598822392;
> umscgdomfbo=rFPgTKhNQ40LnMyy8QhT7mLyqg7xnC5ZPbmp2VVL3LjGcjhpH0RK!1031570784
>
> Connection: Keep-Alive
>
> Proxy-Client-IP: 68.109.88.211
>
> X-Forwarded-For: 68.109.88.211
>
> X-WebLogic-KeepAliveSecs: 30
>
> X-WebLogic-Request-ClusterInfo: true
>
> x-weblogic-cluster-hash: oMBQxNJeBu4qh3dvmvm36DUCLxQ
>
> ]", which is more than the configured time (StuckThreadMaxTime) of "600"
> seconds. Stack trace:
>
> Thread-353267 "[STUCK] ExecuteThread: '58' for queue:
> 'weblogic.kernel.Default (self-tuning)'" <alive, suspended, priority=1,
> DAEMON> {
>
>     java.util.HashMap.get(HashMap.java:368)
>
>     sun.font.SunLayoutEngine.getEngine(SunLayoutEngine.java:109)
>
>     sun.font.GlyphLayout$EngineRecord.init(GlyphLayout.java:617)
>
>     sun.font.GlyphLayout.nextEngineRecord(GlyphLayout.java:487)
>
>     sun.font.GlyphLayout.layout(GlyphLayout.java:349)
>
>
> sun.font.ExtendedTextSourceLabel.createGV(ExtendedTextSourceLabel.java:301)
>
>
> sun.font.ExtendedTextSourceLabel.getGV(ExtendedTextSourceLabel.java:293)
>
>
> sun.font.ExtendedTextSourceLabel.createLogicalBounds(ExtendedTextSourceLabel.java:208)
>
>
> sun.font.ExtendedTextSourceLabel.getAdvance(ExtendedTextSourceLabel.java:116)
>
>     java.awt.font.TextLine.init(TextLine.java:132)
>
>     java.awt.font.TextLine.<init>(TextLine.java:93)
>
>     java.awt.font.TextLine.fastCreateTextLine(TextLine.java:879)
>
>     java.awt.font.TextLayout.fastInit(TextLayout.java:569)
>
>     java.awt.font.TextLayout.<init>(TextLayout.java:485)
>
>     sun.java2d.SunGraphics2D.drawString(SunGraphics2D.java:2801)
>
>
> com.octo.captcha.component.image.textpaster.ChangeableAttributedString.drawString(ChangeableAttributedString.java:93)
>
>
> com.octo.captcha.component.image.textpaster.RandomTextPaster.pasteText(RandomTextPaster.java:65)
>
>
> com.octo.captcha.component.image.wordtoimage.ComposedWordToImage.pasteText(ComposedWordToImage.java:130)
>
>
> com.octo.captcha.component.image.wordtoimage.AbstractWordToImage.getImage(AbstractWordToImage.java:45)
>
>
> com.octo.captcha.image.gimpy.GimpyFactory.getImageCaptcha(GimpyFactory.java:71)
>
>
> com.octo.captcha.image.ImageCaptchaFactory.getCaptcha(ImageCaptchaFactory.java:37)
>
>
> com.octo.captcha.engine.GenericCaptchaEngine.getNextCaptcha(GenericCaptchaEngine.java:81)
>
>
> com.octo.captcha.service.AbstractCaptchaService.generateAndStoreCaptcha(AbstractCaptchaService.java:156)
>
>
> com.octo.captcha.service.AbstractManageableCaptchaService.generateCountTimeStampAndStoreCaptcha(AbstractManageableCaptchaService.java:336)
>
>
> com.octo.captcha.service.AbstractManageableCaptchaService.generateAndStoreCaptcha(AbstractManageableCaptchaService.java:312)
>
>
> com.octo.captcha.service.AbstractCaptchaService.getChallengeForID(AbstractCaptchaService.java:71)
>
>
> com.octo.captcha.service.multitype.GenericManageableCaptchaService.getImageChallengeForID(GenericManageableCaptchaService.java:81)
>
>
> com.octo.captcha.module.web.image.ImageToJpegHelper.flushNewCaptchaToResponse(ImageToJpegHelper.java:55)
>
>
> com.sempra.eservices.captcha.ImageCaptchaServlet.doGet(ImageCaptchaServlet.java:20)
>
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:700)
>
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:815)
>
>
> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:224)
>
>
> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:108)
>
>
> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:206)
>
>     weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
>
>
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
>
>
> weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:25)
>
>
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
>
>
> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3656)
>
>
> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
>
>
> weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:308)
>
>
> weblogic.security.service.SecurityManager.runAs(SecurityManager.java:117)
>
>
> weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2204)
>
>
> weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2126)
>
>
> weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1412)
>
>     weblogic.work.ExecuteThread.execute(ExecuteThread.java:198)
>
>     weblogic.work.ExecuteThread.run(ExecuteThread.java:165)
>
> }
>
>
>
>
> ------------------------------------------------------------------------------
> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
> Instantly run your Selenium tests across 300+ browser/OS combos.  Get
> unparalleled scalability from the best Selenium testing platform available.
> Simple to use. Nothing to install. Get started now for free."
> http://p.sf.net/sfu/SauceLabs
> _______________________________________________
> jcaptcha-users mailing list
> jca...@li...
> https://lists.sourceforge.net/lists/listinfo/jcaptcha-users
>
>

-- 
Antoine Véret

Dear Friends,

Any update please.Also can you please share me the latest jcaptcha jar file

Thanks,
Prasad Reddy
213-244-2319

From: Reddy, Prasad
Sent: Thursday, April 24, 2014 3:07 PM
To: 'jca...@li...'
Subject: Server crash due to ImageCaptcha!

Dear Team,

We have been using JCPATCH version jcaptcha-1.0-mod.jar in our project to block automated spammers.
We have been using this in our registration, forgot password,forgot user id and forgot both use cases.

We identified that our web logic servers crashing at least once in a month with some STUCK THREAD issues caused due to ImageCapcha Servlet.

I pasted the server error below. Can you guys please have a look and suggest what might have been went wrong. Also please suggest how to prevent this in future?
In the last one year we encounter this issue more than 12 times. So we were forced to restart our servers.

Thanks,
Prasad Reddy
001-213-244-2319

10:48:38.000 PM

####<Apr 12, 2014 10:48:38 PM PDT> <Error> <WebLogicServer> <ejap6.sempra.com> <umscgap6> <[ACTIVE] ExecuteThread: '73' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <> <1397368118954> <BEA-000337> <[STUCK] ExecuteThread: '58' for queue: 'weblogic.kernel.Default (self-tuning)' has been busy for "602" seconds working on the request "weblogic.servlet.internal.ServletRequestImpl@1b634124[
GET /forgotuserid/imageCaptcha HTTP/1.1
Accept: image/webp,*/*;q=0.8
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.116 Safari/537.36
DNT: 1
Referer: https://myaccountum.socalgas.com/forgotuserid/forgotUserIdStepOneEmail.jsf?fromLogin=yes
Accept-Encoding: gzip,deflate,sdch
Accept-Language: en,ru;q=0.8,en-US;q=0.6
Cookie: scgumdomeaen=qZyJTKhLZRrLVshVYP2F3BPVc3ng02KnDB0pm66kkYFrnbmGM4Sy!-598822392; SMTRYNO=4; scgumdomfus=L1lYTKhNL89NJt8JThjCL8LwR90nf14DVNThQskvLKTR3HRvGTWp!-598822392; umscgdomfbo=rFPgTKhNQ40LnMyy8QhT7mLyqg7xnC5ZPbmp2VVL3LjGcjhpH0RK!1031570784
Connection: Keep-Alive
Proxy-Client-IP: 68.109.88.211
X-Forwarded-For: 68.109.88.211
X-WebLogic-KeepAliveSecs: 30
X-WebLogic-Request-ClusterInfo: true
x-weblogic-cluster-hash: oMBQxNJeBu4qh3dvmvm36DUCLxQ
]", which is more than the configured time (StuckThreadMaxTime) of "600" seconds. Stack trace:
Thread-353267 "[STUCK] ExecuteThread: '58' for queue: 'weblogic.kernel.Default (self-tuning)'" <alive, suspended, priority=1, DAEMON> {
    java.util.HashMap.get(HashMap.java:368)
    sun.font.SunLayoutEngine.getEngine(SunLayoutEngine.java:109)
    sun.font.GlyphLayout$EngineRecord.init(GlyphLayout.java:617)
    sun.font.GlyphLayout.nextEngineRecord(GlyphLayout.java:487)
    sun.font.GlyphLayout.layout(GlyphLayout.java:349)
    sun.font.ExtendedTextSourceLabel.createGV(ExtendedTextSourceLabel.java:301)
    sun.font.ExtendedTextSourceLabel.getGV(ExtendedTextSourceLabel.java:293)
    sun.font.ExtendedTextSourceLabel.createLogicalBounds(ExtendedTextSourceLabel.java:208)
    sun.font.ExtendedTextSourceLabel.getAdvance(ExtendedTextSourceLabel.java:116)
    java.awt.font.TextLine.init(TextLine.java:132)
    java.awt.font.TextLine.<init>(TextLine.java:93)
    java.awt.font.TextLine.fastCreateTextLine(TextLine.java:879)
    java.awt.font.TextLayout.fastInit(TextLayout.java:569)
    java.awt.font.TextLayout.<init>(TextLayout.java:485)
    sun.java2d.SunGraphics2D.drawString(SunGraphics2D.java:2801)
    com.octo.captcha.component.image.textpaster.ChangeableAttributedString.drawString(ChangeableAttributedString.java:93)
    com.octo.captcha.component.image.textpaster.RandomTextPaster.pasteText(RandomTextPaster.java:65)
    com.octo.captcha.component.image.wordtoimage.ComposedWordToImage.pasteText(ComposedWordToImage.java:130)
    com.octo.captcha.component.image.wordtoimage.AbstractWordToImage.getImage(AbstractWordToImage.java:45)
    com.octo.captcha.image.gimpy.GimpyFactory.getImageCaptcha(GimpyFactory.java:71)
    com.octo.captcha.image.ImageCaptchaFactory.getCaptcha(ImageCaptchaFactory.java:37)
    com.octo.captcha.engine.GenericCaptchaEngine.getNextCaptcha(GenericCaptchaEngine.java:81)
    com.octo.captcha.service.AbstractCaptchaService.generateAndStoreCaptcha(AbstractCaptchaService.java:156)
    com.octo.captcha.service.AbstractManageableCaptchaService.generateCountTimeStampAndStoreCaptcha(AbstractManageableCaptchaService.java:336)
    com.octo.captcha.service.AbstractManageableCaptchaService.generateAndStoreCaptcha(AbstractManageableCaptchaService.java:312)
    com.octo.captcha.service.AbstractCaptchaService.getChallengeForID(AbstractCaptchaService.java:71)
    com.octo.captcha.service.multitype.GenericManageableCaptchaService.getImageChallengeForID(GenericManageableCaptchaService.java:81)
    com.octo.captcha.module.web.image.ImageToJpegHelper.flushNewCaptchaToResponse(ImageToJpegHelper.java:55)
    com.sempra.eservices.captcha.ImageCaptchaServlet.doGet(ImageCaptchaServlet.java:20)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:700)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:815)
    weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:224)
    weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:108)
    weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:206)
    weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
    weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
    weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:25)
    weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
    weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3656)
    weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
    weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:308)
    weblogic.security.service.SecurityManager.runAs(SecurityManager.java:117)
    weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2204)
    weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2126)
    weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1412)
    weblogic.work.ExecuteThread.execute(ExecuteThread.java:198)
    weblogic.work.ExecuteThread.run(ExecuteThread.java:165)
}

Dear Team,

We have been using JCPATCH version jcaptcha-1.0-mod.jar in our project to block automated spammers.
We have been using this in our registration, forgot password,forgot user id and forgot both use cases.

We identified that our web logic servers crashing at least once in a month with some STUCK THREAD issues caused due to ImageCapcha Servlet.

I pasted the server error below. Can you guys please have a look and suggest what might have been went wrong. Also please suggest how to prevent this in future?
In the last one year we encounter this issue more than 12 times. So we were forced to restart our servers.

Thanks,
Prasad Reddy
001-213-244-2319

10:48:38.000 PM

####<Apr 12, 2014 10:48:38 PM PDT> <Error> <WebLogicServer> <ejap6.sempra.com> <umscgap6> <[ACTIVE] ExecuteThread: '73' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <> <1397368118954> <BEA-000337> <[STUCK] ExecuteThread: '58' for queue: 'weblogic.kernel.Default (self-tuning)' has been busy for "602" seconds working on the request "weblogic.servlet.internal.ServletRequestImpl@1b634124[
GET /forgotuserid/imageCaptcha HTTP/1.1
Accept: image/webp,*/*;q=0.8
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.116 Safari/537.36
DNT: 1
Referer: https://myaccountum.socalgas.com/forgotuserid/forgotUserIdStepOneEmail.jsf?fromLogin=yes
Accept-Encoding: gzip,deflate,sdch
Accept-Language: en,ru;q=0.8,en-US;q=0.6
Cookie: scgumdomeaen=qZyJTKhLZRrLVshVYP2F3BPVc3ng02KnDB0pm66kkYFrnbmGM4Sy!-598822392; SMTRYNO=4; scgumdomfus=L1lYTKhNL89NJt8JThjCL8LwR90nf14DVNThQskvLKTR3HRvGTWp!-598822392; umscgdomfbo=rFPgTKhNQ40LnMyy8QhT7mLyqg7xnC5ZPbmp2VVL3LjGcjhpH0RK!1031570784
Connection: Keep-Alive
Proxy-Client-IP: 68.109.88.211
X-Forwarded-For: 68.109.88.211
X-WebLogic-KeepAliveSecs: 30
X-WebLogic-Request-ClusterInfo: true
x-weblogic-cluster-hash: oMBQxNJeBu4qh3dvmvm36DUCLxQ
]", which is more than the configured time (StuckThreadMaxTime) of "600" seconds. Stack trace:
Thread-353267 "[STUCK] ExecuteThread: '58' for queue: 'weblogic.kernel.Default (self-tuning)'" <alive, suspended, priority=1, DAEMON> {
    java.util.HashMap.get(HashMap.java:368)
    sun.font.SunLayoutEngine.getEngine(SunLayoutEngine.java:109)
    sun.font.GlyphLayout$EngineRecord.init(GlyphLayout.java:617)
    sun.font.GlyphLayout.nextEngineRecord(GlyphLayout.java:487)
    sun.font.GlyphLayout.layout(GlyphLayout.java:349)
    sun.font.ExtendedTextSourceLabel.createGV(ExtendedTextSourceLabel.java:301)
    sun.font.ExtendedTextSourceLabel.getGV(ExtendedTextSourceLabel.java:293)
    sun.font.ExtendedTextSourceLabel.createLogicalBounds(ExtendedTextSourceLabel.java:208)
    sun.font.ExtendedTextSourceLabel.getAdvance(ExtendedTextSourceLabel.java:116)
    java.awt.font.TextLine.init(TextLine.java:132)
    java.awt.font.TextLine.<init>(TextLine.java:93)
    java.awt.font.TextLine.fastCreateTextLine(TextLine.java:879)
    java.awt.font.TextLayout.fastInit(TextLayout.java:569)
    java.awt.font.TextLayout.<init>(TextLayout.java:485)
    sun.java2d.SunGraphics2D.drawString(SunGraphics2D.java:2801)
    com.octo.captcha.component.image.textpaster.ChangeableAttributedString.drawString(ChangeableAttributedString.java:93)
    com.octo.captcha.component.image.textpaster.RandomTextPaster.pasteText(RandomTextPaster.java:65)
    com.octo.captcha.component.image.wordtoimage.ComposedWordToImage.pasteText(ComposedWordToImage.java:130)
    com.octo.captcha.component.image.wordtoimage.AbstractWordToImage.getImage(AbstractWordToImage.java:45)
    com.octo.captcha.image.gimpy.GimpyFactory.getImageCaptcha(GimpyFactory.java:71)
    com.octo.captcha.image.ImageCaptchaFactory.getCaptcha(ImageCaptchaFactory.java:37)
    com.octo.captcha.engine.GenericCaptchaEngine.getNextCaptcha(GenericCaptchaEngine.java:81)
    com.octo.captcha.service.AbstractCaptchaService.generateAndStoreCaptcha(AbstractCaptchaService.java:156)
    com.octo.captcha.service.AbstractManageableCaptchaService.generateCountTimeStampAndStoreCaptcha(AbstractManageableCaptchaService.java:336)
    com.octo.captcha.service.AbstractManageableCaptchaService.generateAndStoreCaptcha(AbstractManageableCaptchaService.java:312)
    com.octo.captcha.service.AbstractCaptchaService.getChallengeForID(AbstractCaptchaService.java:71)
    com.octo.captcha.service.multitype.GenericManageableCaptchaService.getImageChallengeForID(GenericManageableCaptchaService.java:81)
    com.octo.captcha.module.web.image.ImageToJpegHelper.flushNewCaptchaToResponse(ImageToJpegHelper.java:55)
    com.sempra.eservices.captcha.ImageCaptchaServlet.doGet(ImageCaptchaServlet.java:20)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:700)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:815)
    weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:224)
    weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:108)
    weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:206)
    weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
    weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
    weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:25)
    weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)
    weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3656)
    weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
    weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:308)
    weblogic.security.service.SecurityManager.runAs(SecurityManager.java:117)
    weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2204)
    weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2126)
    weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1412)
    weblogic.work.ExecuteThread.execute(ExecuteThread.java:198)
    weblogic.work.ExecuteThread.run(ExecuteThread.java:165)
}

Dear Team,

We have been using JCPATCH version jcaptcha-1.0-mod.jar in our project to
block automated spammers.

We have been using this in our registration, forgot password,forgot user id
and forgot both use cases.

We identified that our web logic servers crashing at least once in a month
with some STUCK THREAD issues caused due to ImageCapcha Servlet.

I pasted the server error below. Can you guys please have a look and
suggest what might have been went wrong. Also please suggest how to prevent
this in future?

In the last one year we encounter this issue more than 12 times. So we were
forced to restart our servers.

Thanks,

Prasad Reddy

001-213-244-2319

* 10:48:38.000 PM*

####<Apr 12, 2014 10:48:38 PM PDT> <Error> <WebLogicServer> <
ejap6.sempra.com> <umscgap6> <[ACTIVE] ExecuteThread: '73' for queue:
'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <>
<1397368118954> <BEA-000337> <[STUCK] ExecuteThread: '58' for queue:
'weblogic.kernel.Default (self-tuning)' has been busy for "602" seconds
working on the request
"weblogic.servlet.internal.ServletRequestImpl@1b634124[

GET */forgotuserid/imageCaptcha* HTTP/1.1

Accept: image/webp,*/*;q=0.8

User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML,
like Gecko) Chrome/34.0.1847.116 Safari/537.36

DNT: 1

Referer:
https://myaccountum.socalgas.com/forgotuserid/forgotUserIdStepOneEmail.jsf?fromLogin=yes

Accept-Encoding: gzip,deflate,sdch

Accept-Language: en,ru;q=0.8,en-US;q=0.6

Cookie:
scgumdomeaen=qZyJTKhLZRrLVshVYP2F3BPVc3ng02KnDB0pm66kkYFrnbmGM4Sy!-598822392;
SMTRYNO=4;
scgumdomfus=L1lYTKhNL89NJt8JThjCL8LwR90nf14DVNThQskvLKTR3HRvGTWp!-598822392;
umscgdomfbo=rFPgTKhNQ40LnMyy8QhT7mLyqg7xnC5ZPbmp2VVL3LjGcjhpH0RK!1031570784

Connection: Keep-Alive

Proxy-Client-IP: 68.109.88.211

X-Forwarded-For: 68.109.88.211

X-WebLogic-KeepAliveSecs: 30

X-WebLogic-Request-ClusterInfo: true

x-weblogic-cluster-hash: oMBQxNJeBu4qh3dvmvm36DUCLxQ

]", which is more than the configured time (StuckThreadMaxTime) of "600"
seconds. Stack trace:

Thread-353267 "[STUCK] ExecuteThread: '58' for queue:
'weblogic.kernel.Default (self-tuning)'" <alive, suspended, priority=1,
DAEMON> {

    java.util.HashMap.get(HashMap.java:368)

    sun.font.SunLayoutEngine.getEngine(SunLayoutEngine.java:109)

    sun.font.GlyphLayout$EngineRecord.init(GlyphLayout.java:617)

    sun.font.GlyphLayout.nextEngineRecord(GlyphLayout.java:487)

    sun.font.GlyphLayout.layout(GlyphLayout.java:349)

sun.font.ExtendedTextSourceLabel.createGV(ExtendedTextSourceLabel.java:301)

    sun.font.ExtendedTextSourceLabel.getGV(ExtendedTextSourceLabel.java:293)

sun.font.ExtendedTextSourceLabel.createLogicalBounds(ExtendedTextSourceLabel.java:208)

sun.font.ExtendedTextSourceLabel.getAdvance(ExtendedTextSourceLabel.java:116)

    java.awt.font.TextLine.init(TextLine.java:132)

    java.awt.font.TextLine.<init>(TextLine.java:93)

    java.awt.font.TextLine.fastCreateTextLine(TextLine.java:879)

    java.awt.font.TextLayout.fastInit(TextLayout.java:569)

    java.awt.font.TextLayout.<init>(TextLayout.java:485)

    sun.java2d.SunGraphics2D.drawString(SunGraphics2D.java:2801)

com.octo.captcha.component.image.textpaster.ChangeableAttributedString.drawString(ChangeableAttributedString.java:93)

com.octo.captcha.component.image.textpaster.RandomTextPaster.pasteText(RandomTextPaster.java:65)

com.octo.captcha.component.image.wordtoimage.ComposedWordToImage.pasteText(ComposedWordToImage.java:130)

com.octo.captcha.component.image.wordtoimage.AbstractWordToImage.getImage(AbstractWordToImage.java:45)

com.octo.captcha.image.gimpy.GimpyFactory.getImageCaptcha(GimpyFactory.java:71)

com.octo.captcha.image.ImageCaptchaFactory.getCaptcha(ImageCaptchaFactory.java:37)

com.octo.captcha.engine.GenericCaptchaEngine.getNextCaptcha(GenericCaptchaEngine.java:81)

com.octo.captcha.service.AbstractCaptchaService.generateAndStoreCaptcha(AbstractCaptchaService.java:156)

com.octo.captcha.service.AbstractManageableCaptchaService.generateCountTimeStampAndStoreCaptcha(AbstractManageableCaptchaService.java:336)

com.octo.captcha.service.AbstractManageableCaptchaService.generateAndStoreCaptcha(AbstractManageableCaptchaService.java:312)

com.octo.captcha.service.AbstractCaptchaService.getChallengeForID(AbstractCaptchaService.java:71)

com.octo.captcha.service.multitype.GenericManageableCaptchaService.getImageChallengeForID(GenericManageableCaptchaService.java:81)

com.octo.captcha.module.web.image.ImageToJpegHelper.flushNewCaptchaToResponse(ImageToJpegHelper.java:55)

com.sempra.eservices.captcha.ImageCaptchaServlet.doGet(ImageCaptchaServlet.java:20)

    javax.servlet.http.HttpServlet.service(HttpServlet.java:700)

    javax.servlet.http.HttpServlet.service(HttpServlet.java:815)

weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:224)

weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:108)

weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:206)

    weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)

weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)

weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:25)

weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:55)

weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3656)

weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)

weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:308)

weblogic.security.service.SecurityManager.runAs(SecurityManager.java:117)

weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2204)

weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2126)

weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1412)

    weblogic.work.ExecuteThread.execute(ExecuteThread.java:198)

    weblogic.work.ExecuteThread.run(ExecuteThread.java:165)

}

Ciao,

Il tuo amico udelledo ti ha spedito un messaggio 36h giorni fa ma non lo hai ancora letto.

In 24 ore il messaggio verrà cancellato.

Se sei curioso e vuoi sapere cosa udelledo ha scritto, clicca qui:  a.iqelite.com/entry/new_message/335bec5f6f6c5bf0ac2d3fda9e1f544b80bfb/2e8b7aa132eb7daa83e3627c62126c2f6e2282f2645280c3620b7c5cd0c20d3c44504c62c/?hg=tT8g1hHmnu            

Cordiali saluti,
Team IQ Elite

---------------------------------------------------------------------------
Questo messaggio era destinato a jca...@li.... Se non desideri continuare a ricevere tali messaggi da IQ Elite, clicca su questo link: a.iqelite.com/common/unsubscribe/?code=0f92722f&email=jca...@li....&hg=tT8g1hHmnu IQ Elite è un servizio con sede: C/Gran de Gracia 15, 2a 1a, 08012 Barcellona, Spagna.
--------------------------------------------------------------------------- 
Ciao,

udelledo  ha iniziato a usare IQ Elite e ti ha scritto un messaggio. 

Per leggere il messaggio prima che scada, basta cliccare su questo link: a.iqelite.com/entry/new_message/335bec5f6f6c5bf0ac2d3fda9e1f544b80bfb/2e8b7aa132eb7daa83e3627c62126c2f6e2282f2645280c3620b7c5cd0c20d3c44504c62c/?hg=Z1TNyt7fXe

Leggi il messaggio prima che scada!            

Cordiali saluti,
Team IQ Elite

---------------------------------------------------------------------------
Questo messaggio era destinato a jca...@li.... Se non desideri continuare a ricevere tali messaggi da IQ Elite, clicca su questo link: a.iqelite.com/common/unsubscribe/?code=0f92722f&email=jca...@li....&hg=Z1TNyt7fXe IQ Elite è un servizio con sede: C/Gran de Gracia 15, 2a 1a, 08012 Barcellona, Spagna.
--------------------------------------------------------------------------- 

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