Re: [Wonder-disc] ERXLoggerFactory problem on startup (was: Startup Error)

SourceForge Headquarters 225 Broadway Suite 1600 San Diego, CA 92101 +1 (858) 454-5900

I'm having difficulty with a framework that has been working well for a 
while and now is throwing an error (apparently) because of a null 
ERXLogger.Factory when the  er.jdbcadaptor.ERAdaptorContextDelegate 
tries to initialize:

Caused by: java.lang.NullPointerException
     at org.apache.log4j.Hierarchy.getLogger(Hierarchy.java:270)
     at org.apache.log4j.LogManager.getLogger(LogManager.java:209)
     at org.apache.log4j.Logger.getLogger(Logger.java:155)
     at er.extensions.logging.ERXLogger.getLogger(ERXLogger.java:128)
     at er.extensions.logging.ERXLogger.getERXLogger(ERXLogger.java:105)
     at er.extensions.logging.ERXLogger.getERXLogger(ERXLogger.java:141)
     at 
er.jdbcadaptor.ERAdaptorContextDelegate.<clinit>(ERAdaptorContextDelegate.java:21)
     ... 24 more

I inserted a log statement in ERXLogger in the static method (line 125): 
public static Logger getLogger(String name)  and get the following 
output just before the exception.

Jul 07 08:57:31 N/A[N/A] DEBUG org.apache.log4j.Logger  - 
Logger.getLogger(String name) : Logger.getLogger(String: 
er.jdbcadaptor.ERAdaptorContextDelegate,ERXLogger.factory: null)

I've tried removing any extraneous log4j jars and making sure that jars 
are the same version (1.2.16) anywhere they are found.
Does anybody have any idea what I can try next?

I would appreciate any help or suggestions. Thanks.

Larry Mills-Gahl

The entire message reported in the console is:

Jul 07 08:57:31 N/A[N/A] DEBUG org.apache.log4j.Logger  - 
ERXLogger.getERXLogger(clazz): er.jdbcadaptor.ERAdaptorContextDelegate
Jul 07 08:57:31 N/A[N/A] DEBUG org.apache.log4j.Logger  - 
ERXLogger.getLogger(er.jdbcadaptor.ERAdaptorContextDelegate) static
Jul 07 08:57:31 N/A[N/A] DEBUG org.apache.log4j.Logger  - 
Logger.getLogger(String name) : Logger.getLogger(String: 
er.jdbcadaptor.ERAdaptorContextDelegate,ERXLogger.factory: null)
Jul 07 08:57:31 N/A[N/A] WARN  NSLog  - A fatal exception occurred: null
[2011-7-7 8:57:31 EDT] <Thread-8> java.lang.ExceptionInInitializerError
     at er.jdbcadaptor.PrincipalClass.<clinit>(PrincipalClass.java:21)
     at java.lang.Class.forName0(Native Method)
     at java.lang.Class.forName(Class.java:169)
     at 
com.webobjects.foundation._NSUtilities._classWithPartialName(_NSUtilities.java:350)
     at 
com.webobjects.foundation._NSUtilities.classWithName(_NSUtilities.java:334)
     at 
com.webobjects.foundation.NSBundle.initPrincipalClass(NSBundle.java:2410)
     at 
com.webobjects.foundation.NSBundle.InitPrincipalClasses(NSBundle.java:719)
     at com.webobjects.foundation.NSBundle.<clinit>(NSBundle.java:376)
     at 
com.webobjects.appserver.WOResourceManager.__getJavaWebObjectsResourceAsStream(WOResourceManager.java:116)
     at 
com.webobjects.appserver._private.WOProperties.initUserDefaultsKeys(WOProperties.java:317)
     at 
com.webobjects.appserver.WOApplication._initWOApp(WOApplication.java:5743)
     at 
com.webobjects.appserver.WOApplication.<init>(WOApplication.java:779)
     at 
er.extensions.appserver.ajax.ERXAjaxApplication.<init>(ERXAjaxApplication.java:24)
     at 
er.extensions.appserver.ERXApplication.<init>(ERXApplication.java:1036)
     at 
com.vascalert.apps.VAReportinator.Application.<init>(Application.java:18)
     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native 
Method)
     at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
     at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
     at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
     at java.lang.Class.newInstance0(Class.java:355)
     at java.lang.Class.newInstance(Class.java:308)
     at com.webobjects.appserver.WOApplication.main(WOApplication.java:547)
     at er.extensions.appserver.ERXApplication.main(ERXApplication.java:820)
     at 
com.vascalert.apps.VAReportinator.Application.main(Application.java:15)
Caused by: java.lang.NullPointerException
     at org.apache.log4j.Hierarchy.getLogger(Hierarchy.java:270)
     at org.apache.log4j.LogManager.getLogger(LogManager.java:209)
     at org.apache.log4j.Logger.getLogger(Logger.java:155)
     at er.extensions.logging.ERXLogger.getLogger(ERXLogger.java:128)
     at er.extensions.logging.ERXLogger.getERXLogger(ERXLogger.java:104)
     at er.extensions.logging.ERXLogger.getERXLogger(ERXLogger.java:141)
     at 
er.jdbcadaptor.ERAdaptorContextDelegate.<clinit>(ERAdaptorContextDelegate.java:21)
     ... 24 more

> ------------------------------------------------------------------------
>
> 	William Hatch <mailto:wk...@me...>
> July 6, 2011 5:57 PM
>
>
> Hello Larry, apologies for not getting back to you sooner. I don't 
> remember the particular resolution of this issue, other than messing 
> around with with moving various jars in and out of the magic places on 
> the file system that they auto load from. I'll see if I can unarchive 
> the particular project and have a look at it's Libraries folder, etc. 
> I seem to recall possibly moving the log4j jar directly into the 
> project to get it to stop, but that's hazy... ;-) Wish I could be of 
> more help
>
> Bill
>
>
> 	Larry Mills-Gahl <mailto:lm...@we...>
> July 5, 2011 1:44 PM
>
>
> William,
>
> I saw your question on the Wonder list and am having (what appears to 
> be) the same problem and am wondering how you solved your exception issue.
>
> After WOWODC, I updated to clean wonder source and then started having 
> problems with one of my EO Frameworks. (the framework where I keep 
> models for one of y apps).
> I've banned all the old versions of log4j and am at 1.2.16.
>
> It seems that this conversation on the list between you and Chuck is 
> truncated before the solution. I wanted to ask how you solved this 
> before I go back to the list with questions.
>
> If you have any hints on where to look, I would really appreciate it.
>
> Thanks.
>
> Larry Mills-Gahl
>
>
> ------------------------------------------------------------------------
>
> 	Chuck Hill <mailto:ch...@gl...>
> August 13, 2010 1:09 PM
>
>
> That is a rather odd error. Are there any other caused by's lower in 
> the trace?
>
>
>
> ------------------------------------------------------------------------------
> This SF.net email is sponsored by
>
> Make an app they can't live without
> Enter the BlackBerry Developer Challenge
> http://p.sf.net/sfu/RIM-dev2dev
> _______________________________________________
> Wonder-disc mailing list
> Won...@li...
> https://lists.sourceforge.net/lists/listinfo/wonder-disc
> ------------------------------------------------------------------------
>
> 	William Hatch <mailto:wk...@me...>
> August 13, 2010 1:05 PM
>
>
> I've got 1.2.16 in the local Libraries; nothing in the magic 
> directory. Darn, this is frustrating
>
> Bill
>
>
>
>
> ------------------------------------------------------------------------------
> This SF.net email is sponsored by
>
> Make an app they can't live without
> Enter the BlackBerry Developer Challenge
> http://p.sf.net/sfu/RIM-dev2dev
> _______________________________________________
> Wonder-disc mailing list
> Won...@li...
> https://lists.sourceforge.net/lists/listinfo/wonder-disc
>
>
> ------------------------------------------------------------------------
>
> 	Chuck Hill <mailto:ch...@gl...>
> August 13, 2010 12:04 PM
>
>
> Older version of log4j in /Library/WebObjects/Extensions?
>
>
>
> ------------------------------------------------------------------------------
> This SF.net email is sponsored by
>
> Make an app they can't live without
> Enter the BlackBerry Developer Challenge
> http://p.sf.net/sfu/RIM-dev2dev
> _______________________________________________
> Wonder-disc mailing list
> Won...@li...
> https://lists.sourceforge.net/lists/listinfo/wonder-disc