php-java-bridge-users

Re: [Php-java-bridge-users] tomcat - using php4

[<php...@li...>]

anybody?   

-----Original Message-----
From: Mike D'Ambrogia [mailto:mi...@ja...] 
Sent: Tuesday, October 03, 2006 12:55 PM
To: 'php...@li...'
Subject: tomcat - using php4


running TomCat 5 on Windows 2k, I've got the app up and running but the
test page shows that the version of php is php5 but I'd rather run php4.
The php/java bridge docs read vague to me (new to this) about how I can
config the bridge to run PHP 4 vs 5 without rebuilding the app.   I
don't want to run the slower pure PHP implementation
 
any reference doc that someone can point me to that would show me the
config setup for running php4?
 
thx
 
mike

Re: [Php-java-bridge-users] tomcat - using php4

[<php...@li...>]

Hi,

please excuse the delay. I assume you're running setup
#6 (see
http://php-java-bridge.sourceforge.net/README).

It is possible to adjust the php_exec option, see
WEB-INF/web.xml. It defaults to
WEB-INF/cgi/php-cgi-<arch>-<os>, which is PHP 5.1. You
can set it to c:/php-cgi.exe for example.


> don't want to run the slower pure PHP implementation

The pure PHP implementation needs PHP >= 5 anyway.
When you use an accelerator technology, the pure PHP
implementation isn't much slower than the C-based
implementation. Round-trips are most expensive, but
they can eliminated by sending the Java() statements
in a single stream, e.g.:

java_begin_document(); 
  java statements; 
java_end_document();

So I think the lack of performance is not a good
argument to dismiss the pure PHP implementation. :)


Regards,
Jost Boekemeier




	

	
		
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Re: [Php-java-bridge-users] tomcat - using php4

[<php...@li...>]

>please excuse the delay. 

No problem, appreciate the reply/info

>I assume you're running setup #6 (see
http://php-java-bridge.sourceforge.net/README).

Yes, standalone Tomcat 5.0.28 on Win2k

> It is possible to adjust the php_exec option, see WEB-INF/web.xml. It
defaults to 
> WEB-INF/cgi/php-cgi-<arch>-<os>, which is PHP 5.1. You can set it to 
> c:/php-cgi.exe for example.

I cannot find any file in the php release named 'php-cgi.exe'.  I
believe that php-cgi.exe is php5...  I've tried using a path to the cli
(c:/php/cli/php.exe) version and the cgi (c:/php/php.exe) version of
php.exe in the C:\Apache\Tomcat\webapps\JavaBridge\WEB-INF\web.xml file
(uncommented lines 58-61, and updated the value) but both result in an
exception when I try to run the test.php page:

HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented
it from fulfilling this request.
exception
javax.servlet.ServletException: String index out of range: -1
	php.java.servlet.PhpCGIServlet.doGet(PhpCGIServlet.java:567)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
	java.lang.String.substring(String.java:1444)
	
php.java.servlet.CGIServlet$CGIEnvironment.init(CGIServlet.java:563)
	
php.java.servlet.PhpCGIServlet.createCGIEnvironment(PhpCGIServlet.java:4
30)
	php.java.servlet.CGIServlet.doGet(CGIServlet.java:448)
	php.java.servlet.PhpCGIServlet.doGet(PhpCGIServlet.java:535)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache
Tomcat/5.0.28 logs.

I'm obviously still missing something, any ideas?

Mike

Re: [Php-java-bridge-users] tomcat - using php4

[<php...@li...>]

Hi,


> I cannot find any file in the php release named
> 'php-cgi.exe'.  I

It is called php-cgi-x86-windows.exe.


> using a path to the cli

Doesn't work. The command line interface only works on
the command line. :) You need the php-cgi.exe.

> version and the cgi
> (c:/php/php.exe) version of
> php.exe in the

Are you sure that php.exe is a cgi binary? IMHO the
cgi binary is called php-cgi.exe.

However, I think it is best to download and to install
the php integration kit for windows and use the
launcher.exe so that the PHP/Java Bridge can use the
FastCGI interface instead of CGI:
http://www.alphaworks.ibm.com/tech/phpintwasce/download

Basically the windows version of PHP has been compiled
without a standalone fast cgi server; the -b flag is
missing in the windows php binary. Until the PHP
people add this capability to the windows version of
php, the above launcher.exe is required to run PHP
efficiently on windows.


> it from fulfilling this request.
> exception
> javax.servlet.ServletException: String index out of
> range: -1

This probably means that no HTTP header fields were
sent, which may mean that the bridge uses the CLI
instead of the CGI version of PHP.


Regards,
Jost Boekemeier



		
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Re: [Php-java-bridge-users] tomcat - using php4

[<php...@li...>]

>> I cannot find any file in the php release named 'php-cgi.exe'.  
>It is called php-cgi-x86-windows.exe.

I've edited web.xml and added a path to php-cgi-x86-windows.exe within
the php_exec params, restarted TC but still have the same 500 error

> Are you sure that php.exe is a cgi binary? IMHO the cgi binary is
called php-cgi.exe.

Downloaded PHP 4.4.4 from php.net and there is no file inside the
release named php-cgi.exe

> However, I think it is best to download and to install the php
integration kit for windows and use the launcher.exe so that the
PHP/Java Bridge can use the FastCGI interface instead of CGI:
http://www.alphaworks.ibm.com/tech/phpintwasce/download

Ok, I've got the kit downloaded, copied only launcher.exe into the
webapps/JavaBride/WEB-INF/cgi dirand have updated the php_exec param in
webapps/JavaBridge/web.xml to point to launcher.exe, restarted TC and
end up with the same 500 problem

Is there a config parameter that I'm missing?  Am I the only one trying
to run the bridge within a TC/Win2k env?

Mike

Re: [Php-java-bridge-users] tomcat - using php4

[<php...@li...>]

Hi Mike,

thank you very much for this bug report. 

I haven't looked carefully enough at the error message
you've given. The exception is caused by a bug in the
CGIServlet, which requires a File.separator instead of
a slash.

I have created a ticket for this bug, please see
http://sourceforge.net/tracker/index.php?func=detail&aid=1574648&group_id=117793&atid=679233

As a workaround please use a backslash to specify the
path, e.g.:

  c:\windows\php.exe

I will check this with the author of the CGIServlet so
that we can publish an updated PHP/Java Bridge in
december.


Regards,
Jost Boekemeier



	

	
		
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Re: [Php-java-bridge-users] tomcat - using php4

[<php...@li...>]

You think it's a bug vs. "pilot error" on this end?

I'll try the backslashes and get right back to you

Mike

Re: [Php-java-bridge-users] tomcat - using php4

[<php...@li...>]

On the forward slashes, turns out you might have been on to something
there.

Chgd web.xml to use back slashes and got some different results

When set to:
<init-param>
 <param-name>php_exec</param-name>
 
<param-value>C:\Apache\Tomcat\webapps\JavaBridge\WEB-INF\cgi\php-cgi-x86
-windows.exe</param-value>
</init-param>

I get a phpinfo page with "PHP Version 5.1.3-dev" in the header, and 21
instances of 'php-cgi-x86-windows' (no .exe or .dll extension listed..)
running in in my task manager window.  If I shut TC down then they
terminate correctly as well.  This is progress

Now I'm fishing around abit to see if I can stumble across a solution, I
try 'php-4-java-x86-windows.dll' in place of php-cgi-x86-windows.exe in
the web.xml param-name value.  Restart TC and get:

javax.servlet.ServletException: An IO exception occured. Probably php
was not installed as "/usr/bin/php-cgi" or "c:/php/php-cgi.exe"
 or
"C:\Apache\Tomcat\webapps\JavaBridge\WEB-INF\cgi\php-cgi-x86-windows[.sh
]|[.exe]".
Please see "php_exec" in your WEB-INF/web.xml and WEB-INF/cgi/README for
details.
	php.java.servlet.PhpCGIServlet.doGet(PhpCGIServlet.java:546)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

Makes sense, it seems to need an executable of some sort.

The only other .exe file that I have in the cgi dir is the launcher.exe
file that I copied in from the IBM link you provided.  Changing web.xml
to use that results in the test.php page hanging with out reloading and
52 instances of php.exe running and visible in the task manager window.
Stopping TC does not terminate the 52 instances of php.exe

So I try c:\php\php.exe in web.xml and get "Fatal: The loaded java
extension is not the PHP/Java Bridge" with 20 instances of php.exe
running.  Stopping TC terminates the php.exe instances correctly

Copy php.exe from c:\php to the cgi subdir and repath the web.xml file
and I get:
PHP 4.4.2 too old.
For PHP versions < 5.1.4 install the PECL extension, see INSTALL
document from http://php-java-bridge.sourceforge.net/INSTALL.
Or set the path to the PHP executable, see php_exec in the
WEB-INF/web.xml

Hmm, running php.exe from 4.4.4

Try the url in the error msg above and search it for PECL without luck,
tried copying php_java.dll and php_java.jar into the cgi subdir
alongside php.exe, but the only way to get something that is close to
working is to set the param-name value to php-cgi-x86-windows.exe, but
it reports 5.1.3

Hope this helps

Mike

Re: [Php-java-bridge-users] tomcat - using php4

[<php...@li...>]

Hi,

[please excuse the delay]

I am sorry, but I could not reproduce this problem
with php 4.

I have installed the latest tomcat version
(http://ftp.uni-erlangen.de/pub/mirrors/apache/tomcat/tomcat-5/v5.5.20/bin/apache-tomcat-5.5.20.exe)
and downloaded and copied the current PHP/Java Bridge
("JavaBridge.war") into 

C:\Programme\Apache Software Foundation\Tomcat
5.5\webapps

downloaded and extracted the current PHP4 version to
c:\php and changed

C:\Programme\Apache Software Foundation\Tomcat
5.5\webapps\JavaBridge\WEB-INF\web.xml 

to

       <init-param>
        <param-name>php_exec</param-name>
         <param-value>C:\php\php.exe</param-value>
       </init-param>


After that I was able to run PHP4 applications within
tomcat.

The only problem I see is that the documentation shows
forward slashes, which is something that doesn't work
on windows. But this is a minor problem, imho.



 
> Now I'm fishing around abit to see if I can stumble
> across a solution, I
> try 'php-4-java-x86-windows.dll' in place of
> php-cgi-x86-windows.exe in
> the web.xml param-name value.  Restart TC and get:

You don't need a php_java.dll to run php from java. 

The PECL extension is only necessary for PHP4 and only
if you want to embed java statements into your PHP
pages.


> So I try c:\php\php.exe in web.xml and get "Fatal:
> The loaded java
> extension is not the PHP/Java Bridge" 

That's okay, see above. You probably use an old
version of the PECL extension.


> PHP 4.4.2 too old.
> For PHP versions < 5.1.4 install the PECL extension,

Yes, the pure PHP implementation currently only works
with php 5.1.4 or above. If you want to embed java
statements into your php pages, you must install the
PECL extension from sourceforge.


> Try the url in the error msg above and search it for
> PECL without luck

The PECL extension is packaged within the
JavaBridge.war.


> tried copying php_java.dll and php_java.jar 

These versions are 4 years old and don't work anymore.
Don't use them. Please use the most recent versions of
the PHP/Java Bridge and the PECL extension.


Regards,
Jost Boekemeier



	

	
		
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Re: [Php-java-bridge-users] tomcat - using php4

[<php...@li...>]

Figured out the disconnect and why it wasn't "working" for me...

Turns out that it seems I had the configuration correct at one point,
the browser reporting back the message re: PECL required, along with
your note about PECL "If you want to embed java statements into your php
pages, you must install the PECL extension from sourceforge." turned out
to be the final clue for me and in hindsight was actually working at
that time.

I had assumed, based on the browser output of the phpinfo()-like
information, that the test.php file contained only one line and that
line had phpinfo() on it.  A bad assumption in hindsight.  I opened the
test.php file and saw calls to java includes and then made up a .php
file that had the phpinfo() function as the only line in the file.
Viola, I had 4.4.4, and even 4.4.2 when I pointed the bridge to use my
old version of php.

So the disconnect was that the test.php file didn't run off the bat, yet
php support was enabled.

Next step is to enable support for 4.4.x so that I can call java
servlets and capture return values in my php pages

>>If you want to embed java statements into your php pages, you must 
>>install the PECL extension from sourceforge.

Couldn't find a PECL extension on sourceforge - do you have a
URL/instructions?  I use PEAR but am not familiar with PECL

Re: [Php-java-bridge-users] tomcat - using php4

[<php...@li...>]

Hi,


> >>If you want to embed java statements into your php
> pages, you must 
> >>install the PECL extension from sourceforge.
> 
> Couldn't find a PECL extension on sourceforge - do
> you have a
> URL/instructions?  I use PEAR but am not familiar
> with PECL

It is called php-4-java-x86-windows.dll and is stored
in the WEB-INF/cgi folder within the JavaBridge.war.
The README contained in the same folder has some
information how to set it up. 

Basically you need to rename the above dll to
php_java.dll, copy it to your php extension_dir and
add a 

extension=php_java.dll
[java]

to your php.ini.


Regards,
Jost Boekemeier



		
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Re: [Php-java-bridge-users] tomcat - using php4

[<php...@li...>]

Winner

Thanks for your patience and help in getting thru this issue