php-java-bridge-users Mailing List for PHP/Java Bridge

Hi,

please excuse the delay.


> Looking back at the docs for the Bridge, it says
> that if you get a  
> "NoClassDefFound" error it means there is another
> class that the  
> current class is trying to reference or call that is
> missing (so the  
> Client->runTransaction is missing something).

Yes. There are proposals to add a SML style "module
system" to Java and/or to add a global repository for
Java classes (similar to the global assembly cache
used by .NET).

Until this is implemented I suggest to use the
JavaBridge.war as a back end and to store all
necessary java libraries to the WEB-INF/lib/ folder
within the JavaBridge.war file.

> Does this mean that the four java_require statements

The classes loaded by one java_require statement
cannot see the classes loaded by the other
java_require statements, see
http://php-java-bridge.sourceforge.net/documentation/PHP-API/html/java_8c.html#doc23.

Merging the 4 statements into one may solve the
problem.

 
> If it means that there is some other JAR I need a
> java_require for,  
> how do I go about finding what JAR I should
> include???

Good question. From the README
(http://php-java-bridge.sourceforge.net/README):

  Sun java platform issues
  ------------------------

  The sun java platform does not support java
"modules". This causes
  certain problems when running java programs. When
you compile a class
  foo which references a class bar and ship the class
foo without
  providing bar, the sun java platform will not
complain unless the user
  accidentally calls a method which references the
non-existing class. If
  this happens, a "NoClassDefFound" error is thrown.
This error may
  not(!) indicate which class is missing and it
certainly does not
  indicate which external library is missing. The
tests.php4 folder
  contains two tests, noClassDefFound.php and
noClassDefFound2.php which
  demonstrate this.

  To avoid this problem please document *exactly*
(including the
  version number) which external libraries (.jar
files) your software
  needs. If you have written software where certain
methods require an
  optional library, please document this in the method
header.

  If receive this error when using a Java library,
this may mean the
  following:

    * an old or different JDK than expected by the
library is used,
      for example GNU Java instead of SUN or IBM Java.

    * java_require("foo.jar");
java_require("bar.jar"); was used instead of
      java_require("foo.jar;bar.jar"); to load two
interconnected libraries.

    * the library is simply broken or it expects
certain parameters in
      its environment (applet parameter or system
property or property file).

    * the library may only work within a J2EE
environment from a
      certain vendor, for example the WebSphere
Application server or
      the Sun Java Application server.


Regards,
Jost Boekemeier



		
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Hi,

please excuse the delay.

> I've just downloaded and installed
> php-java-bridge-3.1.8-1.FC5.i386.rpm
> and added java.log_level = 3 in /etc/php.d/Java.ini,

It is /etc/php.d/java.ini. The Linux file system is
case sensitive.

However,

> java.lang.NullPointerException
>    at php.java.bridge.GlobalRef.get (java)

no idea, sorry. -- The above null pointer exception
means that the referenced element has been
unreferenced before (which indicates a bug in the Zend
engine). But the code example you've given cannot
cause this problem, and it is neither a problem with
php 5.1.4 nor with the Java VM. 

Please set the log level to 5 and report this as a bug
(please use
http://sourceforge.net/tracker/?func=add&group_id=117793&atid=679233).


Regards,
Jost Boekemeier






	
		
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Hi all,

I've just downloaded and installed php-java-bridge-3.1.8-1.FC5.i386.rpm
and added java.log_level = 3 in /etc/php.d/Java.ini, but it doesn't seem
to work.

** my code **
<?php
$s = new Java("java.lang.String", "Hello World!");
echo $s->toString();
?>

** results **
Oct 19 21:12:32 JavaBridge INFO : JavaBridge version         : 3.1.8
Oct 19 21:12:32 JavaBridge INFO : JavaBridge logFile         :
Oct 19 21:12:32 JavaBridge INFO : JavaBridge default logLevel: 3
Oct 19 21:12:32 JavaBridge INFO : JavaBridge socket          : 
LOCAL:@java-bridge-814
Oct 19 21:12:32 JavaBridge INFO : JavaBridge thread pool size: 20
Oct 19 21:12:32 JavaBridge ERROR: An exception occured: 
java.lang.NullPointerException
java.lang.NullPointerException
   at php.java.bridge.GlobalRef.get (java)
   at php.java.bridge.Request.getGlobalRef (java)
   at php.java.bridge.Request.begin (java)
   at php.java.bridge.Parser.CALL_BEGIN (java)
   at php.java.bridge.Parser.parse (java)
   at php.java.bridge.Request.handleRequest (java)
   at php.java.bridge.Request.handleRequests (java)
   at php.java.bridge.JavaBridge.run (java)
   at php.java.bridge.BaseThreadPool$Delegate.run (java)
Oct 19 21:12:32 JavaBridge ERROR: An exception occured: 
java.lang.NullPointerException
java.lang.NullPointerException
   at php.java.bridge.GlobalRef.get (java)
   at php.java.bridge.Request.getGlobalRef (java)
   at php.java.bridge.Request.begin (java)
   at php.java.bridge.Parser.CALL_BEGIN (java)
   at php.java.bridge.Parser.parse (java)
   at php.java.bridge.Request.handleRequest (java)
   at php.java.bridge.Request.handleRequests (java)
   at php.java.bridge.JavaBridge.run (java)
   at php.java.bridge.BaseThreadPool$Delegate.run (java)

I'm running
    Fedora Core 5(2.6.15-1.2054_FC5)
    Apache 2.2.2
    PHP 5.1.4
and any help and advice would really be appreciated.

-tsunoda

Winner

Thanks for your patience and help in getting thru this issue

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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Hi - Well I now have my logging working - in Jboss deploying an EAR!  :)

These are the steps I took.

1. Created an extension to the php bridge PhpJavaServlet and using the Util.setLogger parsing an instance of the the Log4JLogger. (just this on it's own gave me the following exception: ERROR: invalid console appender config detected, console stream is looping).  Moving the Log4J jar into my ear then gave me the following:

16:04:29,676 ERROR [STDERR] log4j:ERROR A "org.jboss.logging.util.OnlyOnceErrorHandler" object is not assignable to a "org.apache.log4j.spi.ErrorHandler" var

So I:

2. Created a Servlet that creates an instance my Log4jRepositorySelector.

3. Created Log4jRepositorySelector.

see http://wiki.jboss.org/wiki/Wiki.jsp?page=Log4jRepositorySelector for details.



php...@li... wrote: Hi Jost,

Thanks for your reply.

Regarding my loss of logging and the my console freezing - I am using Tomcat within Jboss.  I have tried adding the log4j.jar to the classpath in my Jboss startup script - this didn't solve the problem.

I have also extended the PhpJavaServlet and set the logger to FileLogger (I assume the default is the Chainsaw?) and modified the php.ini to use various combinations (although I am not sure if this matters for my configuration) and these didn't sort my problem out either.

I can, however, make calls to my EJB3 stateless session bean using the bridge - I just loose all logging which isn't desirable...I have done this by deploying my EAR with a WAR that only has the JavaBridge.jar and the php-servlet.jar from the original WAR (although I have used the original and get the same problem).

As far as my problem with the connection abort error (see below) - this may well have something to do with Jboss not  starting properly but this only happens when I use the bridge, is it possible that I have a port conflict?



php...@li... wrote: Hi,


> I am however, having a little problem with logging -
> as soon as my EAR is deployed (or the original WAR)
> my console locks up.

Do you use tomcat as the web container? There is an
open bug report connected with log4j. The tomcat
people suggest to copy the log4j library to the global
classpath.


> I sometimes get the following exception also - on a
> deployment (things still appear to work okay though)
> 
> 2006-10-14 17:03:44,626 DEBUG
> [org.jboss.invocation.pooled.server.ServerThread]
> beginning dorun
> 2006-10-14 17:03:44,636 ERROR
>  [org.jboss.invocation.pooled.server.ServerThread]
> Failed to initialize
> java.net.SocketException: Software caused connection
> abort: recv failed
>     at java.net.SocketInputStream.socketRead0(Native
> Method)
>     at
>
java.net.SocketInputStream.read(SocketInputStream.java:129)
>     at 
>
java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
>     at
>
java.io.BufferedInputStream.read1(BufferedInputStream.java:256)
>     at
>
java.io.BufferedInputStream.read(BufferedInputStream.java:313)
>     at
>
java.io.ObjectInputStream$PeekInputStream.read(ObjectInputStream.java:2222)
>     at
>
java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2235)
>     at
>
java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2703)
>      at
>
java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:760)
>     at
>
java.io.ObjectInputStream.(ObjectInputStream.java:278)
>     at
>
org.jboss.invocation.pooled.interfaces.OptimizedObjectInputStream.(OptimizedObjectInputStream.java:131)
>     at 
>
org.jboss.invocation.pooled.server.ServerThread.dorun(ServerThread.java:265)
>     at
>
org.jboss.invocation.pooled.server.ServerThread.run(ServerThread.java:156)


I don't think this is a PHP/Java Bridge issue. It
sounds as if some jboss internal service failed to
start correctly.

Regards,
Jost Boekemeier
    

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Hi,

> When I make a call to my EJB SLSB for the first time
> after I have restarted Jboss I get the following
> error:
> 
> 'Fatal error:  php_mod_java(98): Call object is
> null, check back-end log file(s). in...'

the java.persistent_connections option is responsible
for this. The php instances keep a connection to the
back end until they detect that the connection is
broken, in which case you'll receive the above message
and the php instance which has detected the failure
resets its internal state.

When using persistent connections to the back-end
please make sure that you restart both, the front end
(usually Apache or IIS) and the back end.


Regards,
Jost Boekemeier



	

	
		
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When I make a call to my EJB SLSB for the first time after I have restarted Jboss I get the following error:

'Fatal error:  php_mod_java(98): Call object is null, check back-end log file(s). in...'

If I refresh the page I get the expected result - any ideas on why this is happening?

 		
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Hi Jost,

Thanks for your reply.

Regarding my loss of logging and the my console freezing - I am using Tomcat within Jboss.  I have tried adding the log4j.jar to the classpath in my Jboss startup script - this didn't solve the problem.

I have also extended the PhpJavaServlet and set the logger to FileLogger (I assume the default is the Chainsaw?) and modified the php.ini to use various combinations (although I am not sure if this matters for my configuration) and these didn't sort my problem out either.

I can, however, make calls to my EJB3 stateless session bean using the bridge - I just loose all logging which isn't desirable...I have done this by deploying my EAR with a WAR that only has the JavaBridge.jar and the php-servlet.jar from the original WAR (although I have used the original and get the same problem).

As far as my problem with the connection abort error (see below) - this may well have something to do with Jboss not starting properly but this only happens when I use the bridge, is it possible that I have a port conflict?



php...@li... wrote: Hi,


> I am however, having a little problem with logging -
> as soon as my EAR is deployed (or the original WAR)
> my console locks up.

Do you use tomcat as the web container? There is an
open bug report connected with log4j. The tomcat
people suggest to copy the log4j library to the global
classpath.


> I sometimes get the following exception also - on a
> deployment (things still appear to work okay though)
> 
> 2006-10-14 17:03:44,626 DEBUG
> [org.jboss.invocation.pooled.server.ServerThread]
> beginning dorun
> 2006-10-14 17:03:44,636 ERROR
> [org.jboss.invocation.pooled.server.ServerThread]
> Failed to initialize
> java.net.SocketException: Software caused connection
> abort: recv failed
>     at java.net.SocketInputStream.socketRead0(Native
> Method)
>     at
>
java.net.SocketInputStream.read(SocketInputStream.java:129)
>     at 
>
java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
>     at
>
java.io.BufferedInputStream.read1(BufferedInputStream.java:256)
>     at
>
java.io.BufferedInputStream.read(BufferedInputStream.java:313)
>     at
>
java.io.ObjectInputStream$PeekInputStream.read(ObjectInputStream.java:2222)
>     at
>
java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2235)
>     at
>
java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2703)
>     at
>
java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:760)
>     at
>
java.io.ObjectInputStream.(ObjectInputStream.java:278)
>     at
>
org.jboss.invocation.pooled.interfaces.OptimizedObjectInputStream.(OptimizedObjectInputStream.java:131)
>     at 
>
org.jboss.invocation.pooled.server.ServerThread.dorun(ServerThread.java:265)
>     at
>
org.jboss.invocation.pooled.server.ServerThread.run(ServerThread.java:156)


I don't think this is a PHP/Java Bridge issue. It
sounds as if some jboss internal service failed to
start correctly.

Regards,
Jost Boekemeier

 		
---------------------------------
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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

Hi,


> I am however, having a little problem with logging -
> as soon as my EAR is deployed (or the original WAR)
> my console locks up.

Do you use tomcat as the web container? There is an
open bug report connected with log4j. The tomcat
people suggest to copy the log4j library to the global
classpath.


> I sometimes get the following exception also - on a
> deployment (things still appear to work okay though)
> 
> 2006-10-14 17:03:44,626 DEBUG
> [org.jboss.invocation.pooled.server.ServerThread]
> beginning dorun
> 2006-10-14 17:03:44,636 ERROR
> [org.jboss.invocation.pooled.server.ServerThread]
> Failed to initialize
> java.net.SocketException: Software caused connection
> abort: recv failed
>     at java.net.SocketInputStream.socketRead0(Native
> Method)
>     at
>
java.net.SocketInputStream.read(SocketInputStream.java:129)
>     at 
>
java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
>     at
>
java.io.BufferedInputStream.read1(BufferedInputStream.java:256)
>     at
>
java.io.BufferedInputStream.read(BufferedInputStream.java:313)
>     at
>
java.io.ObjectInputStream$PeekInputStream.read(ObjectInputStream.java:2222)
>     at
>
java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2235)
>     at
>
java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2703)
>     at
>
java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:760)
>     at
>
java.io.ObjectInputStream.<init>(ObjectInputStream.java:278)
>     at
>
org.jboss.invocation.pooled.interfaces.OptimizedObjectInputStream.<init>(OptimizedObjectInputStream.java:131)
>     at 
>
org.jboss.invocation.pooled.server.ServerThread.dorun(ServerThread.java:265)
>     at
>
org.jboss.invocation.pooled.server.ServerThread.run(ServerThread.java:156)


I don't think this is a PHP/Java Bridge issue. It
sounds as if some jboss internal service failed to
start correctly.


> p.s. Why is there such restrictions on posts to this
> forum

Because 90% of all messages posted to this list are
spam. So we cannot allow anonymous posts or posts from
non-members anymore.


Regards,
Jost Boekemeier



		
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Hi,

[please excuse the delay]

> I am wanting to use your php-java-bridge to share
> httpsession data between a php application and a
> j2ee application and also for the php applicaton to
> communicate with some java session facades as an
> alternative to SOAP based calls.
> 
> I have had mixed success with the various
> configurations described in the documentation and
> would appreciate comments on the most optimal
> solution.   I am finding the documentation a little
> confusing :(

I agree that the documentation is currently in a
horrible state. But unfortunately we don't have any
time to update or to rewrite it at the moment.


> >From what I have read the c-based extension seems
> to be an obvious choice and running PHP using the
> Apache module rather than the embedded J2EE AS
> option seems the safest.

Not necessarily. Running PHP within a J2EE AS is
faster than the Apache prefork MPM. The only problem
with this setup is that java cannot drop privileges
(due to posix constraints), so you need a native
wrapper which forwards the request from the HTTP or
HTTPS port to the unprivileged 8080 or 8443 ports. In
most cases this "native wrapper" is either Apache with
mod_jk or Apache with PHP and the PHP/Java Bridge.


> Anyway, I am not sure if the above configuration is
> correct/desirable

Certainly. Your setup is described in fig. #3 in the
README.


> We are using Apache to server static content like
> images and html, we are also using it to serve PHP.
> We have the following rules for a virtual host:
> 
>     # Dynamic content
>     JkMount _/* worker
>   
>     # Static content
>     JkUnMount _/*.gif worker
>     (more like the above - including  _/*.php)
> 
> I am not really sure if I need the JkAutoAlias
> also..

I can't comment on this one because I have not much
experience with mod_jk. We usually set the Apache
DocumentRoot to the J2EE AS webapps directory and set
up a .htaccess file.


Regards,
Jost Boekemeier



		
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Hi again.

I am replying to my own question post since a friend of mine helped  
me track down my NoClassDefFound problem (thanks Russell).

The error is in the java_require's at the beginning of my code.  I  
needed to use the format java_require(JAR1;JAR2;JAR3;JAR4); instead  
of separating the requires.  There is cross calling in the classes in  
the 4 libraries I use so they must all be brought into the same  
memory space.  See the following reference for full details:

http://php-java-bridge.sourceforge.net/documentation/PHP-API/html/ 
java_8c.html#doc23

I read this before, but it didn't rally gel in my brain until I was  
reminded of how libraries are cached by the back-end loader.

Jon

On Oct 15, 2006, at 4:49 PM, php-java-bridge- 
us...@li... wrote:

> Hullo all.
>
> Well I am slowly getting closer to converting a sample java class  
> from our processing companies API (for credit card transactions)  
> into a woring PHP script using php-java bridge.  Thanks for all the  
> helpful tips I received so far.
>
> I am currently stuck with an error when calling a particular method  
> of a class from the JAR file I included at the top of my script.
>
> MY CODE
> =========
> java_require("/Library/WebServer/Documents/cj/simapi-java-5.0.0/lib/ 
> cybsclients15.jar");
> java_require("/Library/WebServer/Documents/cj/simapi-java-5.0.0/lib/ 
> cybssecurity.jar");
> java_require("/Library/WebServer/Documents/cj/simapi-java-5.0.0/lib/ 
> xercesImpl.jar");
> java_require("/Library/WebServer/Documents/cj/simapi-java-5.0.0/lib/ 
> xml-apis.jar");
>
> // Set up var with the class for generating the charge request
> $reply_class = new JavaClass("com.cybersource.ws.client.Client");
> // create new hashmap variable to use for results
> $reply = new JavaClass("java.util.HashMap");
> $reply = java_util_hashMap();
> $reply = $reply_class->runTransaction($request, $props);
>
> RESULTS
> ========
> [o(Exception):"java.lang.Exception: Invoke failed: [c(Client)]- 
> >runTransaction((Map)o(HashMap), (Properties)o(Properties)). Cause:  
> java.lang.ClassNotFoundException: Unresolved external reference:  
> java.lang.NoClassDefFoundError: com/cybersource/security/exception/ 
> SecuritySystemException. -- Unable to call the method, see the  
> README section "Java platform issues" for details. Responsible VM:  
> 1.5.0_06@http://apple.com/" at: #-6  
> php.java.bridge.JavaBridge.getUnresolvedExternalReferenceException 
> (JavaBridge.java:481) #-5 php.java.bridge.JavaBridge.Invoke 
> (JavaBridge.java:1084) #-4 php.java.bridge.Request.handleRequest 
> (Request.java:499) #0 [internal function]: Java->__call 
> ('runTransaction', Array) #1 /Library/WebServer/Documents/cj/simapi- 
> java-5.0.0/samples/nvp/AuthCaptureSample.php(114): JavaClass- 
> >runTransaction(Object(JavaArray), Object(JavaArray)) #2 {main}]
>
>
> Looking back at the docs for the Bridge, it says that if you get a  
> "NoClassDefFound" error it means there is another class that the  
> current class is trying to reference or call that is missing (so  
> the Client->runTransaction is missing something).
>
> Does this mean that the four java_require statements at the top of  
> my PHP script do not contain the missing class?  These are all the  
> JAR files that were provided as part of this API package from our  
> card processing company.
>
> If it means that there is some other JAR I need a java_require for,  
> how do I go about finding what JAR I should include???
>
> Thanks,
>
> Jon
> ---------------------------------------------------------------------- 
> ---
> Using Tomcat but need to do more? Need to support web services,  
> security?
> Get stuff done quickly with pre-integrated technology to make your  
> job easier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache  
> Geronimo
> http://sel.as-us.falkag.net/sel? 
> cmd=lnk&kid=120709&bid=263057&dat=121642______________________________ 
> _________________
> php-java-bridge-users mailing list
> php...@li...
> https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users

Hullo all.

Well I am slowly getting closer to converting a sample java class  
from our processing companies API (for credit card transactions) into  
a woring PHP script using php-java bridge.  Thanks for all the  
helpful tips I received so far.

I am currently stuck with an error when calling a particular method  
of a class from the JAR file I included at the top of my script.

MY CODE
=========
java_require("/Library/WebServer/Documents/cj/simapi-java-5.0.0/lib/ 
cybsclients15.jar");
java_require("/Library/WebServer/Documents/cj/simapi-java-5.0.0/lib/ 
cybssecurity.jar");
java_require("/Library/WebServer/Documents/cj/simapi-java-5.0.0/lib/ 
xercesImpl.jar");
java_require("/Library/WebServer/Documents/cj/simapi-java-5.0.0/lib/ 
xml-apis.jar");

// Set up var with the class for generating the charge request
$reply_class = new JavaClass("com.cybersource.ws.client.Client");
// create new hashmap variable to use for results
$reply = new JavaClass("java.util.HashMap");
$reply = java_util_hashMap();
$reply = $reply_class->runTransaction($request, $props);

RESULTS
========
[o(Exception):"java.lang.Exception: Invoke failed: [c(Client)]- 
 >runTransaction((Map)o(HashMap), (Properties)o(Properties)). Cause:  
java.lang.ClassNotFoundException: Unresolved external reference:  
java.lang.NoClassDefFoundError: com/cybersource/security/exception/ 
SecuritySystemException. -- Unable to call the method, see the README  
section "Java platform issues" for details. Responsible VM:  
1.5.0_06@http://apple.com/" at: #-6  
php.java.bridge.JavaBridge.getUnresolvedExternalReferenceException 
(JavaBridge.java:481) #-5 php.java.bridge.JavaBridge.Invoke 
(JavaBridge.java:1084) #-4 php.java.bridge.Request.handleRequest 
(Request.java:499) #0 [internal function]: Java->__call 
('runTransaction', Array) #1 /Library/WebServer/Documents/cj/simapi- 
java-5.0.0/samples/nvp/AuthCaptureSample.php(114): JavaClass- 
 >runTransaction(Object(JavaArray), Object(JavaArray)) #2 {main}]


Looking back at the docs for the Bridge, it says that if you get a  
"NoClassDefFound" error it means there is another class that the  
current class is trying to reference or call that is missing (so the  
Client->runTransaction is missing something).

Does this mean that the four java_require statements at the top of my  
PHP script do not contain the missing class?  These are all the JAR  
files that were provided as part of this API package from our card  
processing company.

If it means that there is some other JAR I need a java_require for,  
how do I go about finding what JAR I should include???

Thanks,

Jon

 am able to deploy an EAR into Jboss 4.0.4GA (ejb3 install) and can call an EJB3 Stateless Session.

I am however, having a little problem with logging - as soon as my EAR is deployed (or the original WAR) my console locks up.  I have managed to connect to the log4j output using Chainsaw so I know things are still working.  Why is my console and normal logging disappearing.

I sometimes get the following exception also - on a deployment (things still appear to work okay though)

2006-10-14 17:03:44,626 DEBUG [org.jboss.invocation.pooled.server.ServerThread] beginning dorun
2006-10-14 17:03:44,636 ERROR [org.jboss.invocation.pooled.server.ServerThread] Failed to initialize
java.net.SocketException: Software caused connection abort: recv failed
    at java.net.SocketInputStream.socketRead0(Native Method)
    at java.net.SocketInputStream.read(SocketInputStream.java:129)
    at  java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
    at java.io.BufferedInputStream.read1(BufferedInputStream.java:256)
    at java.io.BufferedInputStream.read(BufferedInputStream.java:313)
    at java.io.ObjectInputStream$PeekInputStream.read(ObjectInputStream.java:2222)
    at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2235)
    at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2703)
    at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:760)
    at java.io.ObjectInputStream.<init>(ObjectInputStream.java:278)
    at org.jboss.invocation.pooled.interfaces.OptimizedObjectInputStream.<init>(OptimizedObjectInputStream.java:131)
    at  org.jboss.invocation.pooled.server.ServerThread.dorun(ServerThread.java:265)
    at org.jboss.invocation.pooled.server.ServerThread.run(ServerThread.java:156)

p.s. Why is there such restrictions on posts to this forum - seems a little over censored in my opinion.  I have been writing software for many years, I admit to having no PHP experience, but I have had a few problems which I think had to do with the documentation not being particularly clear, are you afraid of a bit of constructive criticism?
 		
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Hi,

> So I guess I just don't understand what these php
> stubs are for?  Can  
> anyone explain?  

They aren't ready yet. They will be used in the
Eclipse IDE and debugger.

One problem with these stubs is that PHP currently
handles some method names like exit(), put() etc
specially. This might change in PHP6.

> Also, is there an official BBS
> style forum anywhere  
> for posting help -- the mailing list seems outdated?

We can set it up, if someone is willing to maintain
it.


Regards,
Jost Boekemeier



		
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Hi,

[please excuse the delay]

> The title of the email says it all!  I know PHP like
> the back of my  
> hand, but know little to nothing about Java.

you don't need java knowledge to invoke methods from
Java libraries. In fact you don't even need Java to
call out to Java libraries, if you have a recent
version of gcc installed (Linux only).

> 1) What are the standard "include" files I need at
> the top of each of  
> my PHP scripts to utilize the Bridge?

require_once("java/Java.php") 

is enough.


 
> 2) How do I gain access to certain Java methods in
> my PHP scripts?

with

require_once("java/Java.php");
java_require("/path/to/myLib.jar;...);
$myClass = new Java("myLib.myClass");
...
 
> For example if I want to convert a string read from
> a file into an  
> array of values I think I would use
> $array_var->toCharArray 
> ($string_var).  I believe I need the
> "java.lang.string" library/class  
> thing (found this in the Java API docs at Sun.com)
> but I cannot  
> figure out how to enable this class or method in my
> PHP scripts?

The low-level interface is:

require_once("java/Java.php");
$string = new java("java.lang.String", "hello");
$ar = java_values($string->toCharArray());


The high-level interface:

require_once("java/java_lang_String");
$string = new java_lang_String("hello");
$ar = java_values($string->toCharArray());


> errors).  So how do I call or access the classes in
> that file?  For  
> example, there is a class called "Utility" which in
> turn has a method  
> called "read") in the JAR file.  I tried the
> following:
> 
> <?php
>
java_require("/Library/WebServer/Documents/cj/simapi-java-5.0.0/lib/
> 
> cybsclients15.jar");
> $handle = new Java("Utility");
> $props = $handle->read("config.properties");
> ?>

You must use the full qualified name. For example:

  $handle = new Java("com.foo.something.Utility");

You can see the name by opening the .jar file with
winzip for example.


Regards,
Jost Boekemeier



		
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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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What are the purpose of the PEAR style php stub classes that I  
created during the install of PHP-Java Bridge?

For example, if I do the following in a HP script:

$request = new Java("java.util.HashMap");

I can then use the "put" method to stick keys and values into this  
special Java Style array.

$request->put( "key", "value" );


But, I can also do the following:

require_once('classes/java_util_HashMap.php');
$request = java_util_hashMap();

But cannot do the "put" method to get values into the variable.

$request->put( "key", "value" );

This gives me a "NoSuchMethodException" error?

So I guess I just don't understand what these php stubs are for?  Can  
anyone explain?  Also, is there an official BBS style forum anywhere  
for posting help -- the mailing list seems outdated?

Thanks,

Jon

Thanks for your reply.

I now have successfully called an EJB3 Stateless Session Bean using this fantastic bridge in Jboss 4.0.4.GA (ejb3 install).  

I am however, having a little problem with logging - as soon as my EAR with a modified WAR (i removed all the files not necessary for my deployment) is deployed my console locks up.  I have managed to connect to the log4j output using Chainsaw so I know things are still working.  Has anyone else had similar problems?  Found any solutions - I think it's probably a property I haven't passed over when starting Jboss for a port or something...

Paul

php...@li... wrote: Hi,

just a quick reply, I haven't read your messages yet;


> files, I just needed to remove the line:
> 
> require_once("java/Java.php");
> 
> from the top of the sample pages...

We should probably encapsulate them, for example with

if(!extension_loaded('java')) 
  require_once("java/Java.php");


> I am, however, getting a
> javax.naming.NameNotFoundException when I try the
> document example.

It should work; I have tested the sample against the
current jboss release. There's a FAQ entry for it. 


> BTW - Has anybody had any success with using this
> bridge with Spring beans (in Java) if so, how do I
> go about accessing these?  Code example will be
> great.

Please see the JSF examples for more information how
to use IOC (Fowler calls it "dependency injection").

I think Spring directly supports JSF beans, so that
should be pretty easy.


Regards,
Jost Boekemeier



 

 
  
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Hi,

just a quick reply, I haven't read your messages yet;


> files, I just needed to remove the line:
> 
> require_once("java/Java.php");
> 
> from the top of the sample pages...

We should probably encapsulate them, for example with

if(!extension_loaded('java')) 
  require_once("java/Java.php");


> I am, however, getting a
> javax.naming.NameNotFoundException when I try the
> document example.

It should work; I have tested the sample against the
current jboss release. There's a FAQ entry for it. 


> BTW - Has anybody had any success with using this
> bridge with Spring beans (in Java) if so, how do I
> go about accessing these?  Code example will be
> great.

Please see the JSF examples for more information how
to use IOC (Fowler calls it "dependency injection").

I think Spring directly supports JSF beans, so that
should be pretty easy.


Regards,
Jost Boekemeier



	

	
		
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HI am such an idiot - I don't need the java/*.php files, I just needed to remove the line:

require_once("java/Java.php");

from the top of the sample pages...

So now I know I am using the c-based extension and I can run the most of the examples.

I am, however, getting a javax.naming.NameNotFoundException when I try the document example.

I am running with Jboss.

BTW - Has anybody had any success with using this bridge with Spring beans (in Java) if so, how do I go about accessing these?  Code example will be great.

Thanks

php...@li... wrote: Hi,

I am wanting to use your php-java-bridge to share httpsession data between a php application and a j2ee application and also for the php applicaton to communicate with some java session facades as an alternative to SOAP based calls.

I have had mixed success with the various configurations described in the documentation and would appreciate comments on the most optimal solution.   I am finding the documentation a little confusing :(

>From what I have read the c-based extension seems to be an obvious choice and running PHP using the Apache module rather than the embedded J2EE AS option seems the safest.

Like I said, I have played around - the solution that seemed to work best was when I had the .php files removed from the JavaBridge.war and placed into my Apache doc_root.  I had also copied the java directory from the war to the doc_root  (I had to update the php.ini include_directory) and I removed the cgi directory from  WEB-INF (I wanted to make sure the PHP pages were being served by Apache).  With this I was able to run the sessionSharing example - the RMI/IIOP example failed but I have seen a few posts here regarding this...

Anyway, I am not sure if the above configuration is correct/desirable - I am sure that now I am using the pure php  php/java bridge implementation, I think this because with the java directory (with the php files) things don't work.

I have the following configuration:

Apache 2.0.59
PHP 5.1.6
mod_jk 1.2.19
Jboss 4.0.4
Java 1.5

We are using Apache to server static content like images and html, we are also using it to serve PHP. We have the following rules for a virtual host:

    # Dynamic content
    JkMount _/* worker
  
    # Static content
    JkUnMount _/*.gif worker
    (more like the above - including   _/*.php)

I am not really sure if I need the JkAutoAlias also..

Any help/comments most welcome.
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Hi all.

The title of the email says it all!  I know PHP like the back of my  
hand, but know little to nothing about Java.  I was able to compile  
and test the bridge for OS X Server, but I am running into a brick  
wall trying to understand how to create calls to Java objects  
(libraries, JAR's, or whatever they are called) and could use a  
little help from you experts.

Hopefully some of you can answer a few questions for me to get me  
started (ill try to be brief):

1) What are the standard "include" files I need at the top of each of  
my PHP scripts to utilize the Bridge?

2) How do I gain access to certain Java methods in my PHP scripts?   
For example if I want to convert a string read from a file into an  
array of values I think I would use $array_var->toCharArray 
($string_var).  I believe I need the "java.lang.string" library/class  
thing (found this in the Java API docs at Sun.com) but I cannot  
figure out how to enable this class or method in my PHP scripts?

3) I cannot figure out how to instantiate a new class or object.  For  
example a Java API we need to access has a file called  
"cybsclients15.jar".  I used a "java_require 
('......cybclients15.jar')" which seems to work (I didn't get any  
errors).  So how do I call or access the classes in that file?  For  
example, there is a class called "Utility" which in turn has a method  
called "read") in the JAR file.  I tried the following:

<?php
java_require("/Library/WebServer/Documents/cj/simapi-java-5.0.0/lib/ 
cybsclients15.jar");
$handle = new Java("Utility");
$props = $handle->read("config.properties");
?>

This is supposed to create a handle to the class called "Utility" and  
then let me use the "read" method to read a configuration file into  
an array.  All I get is the following error that seems to tell me the  
class does not exist:

Fatal error: Uncaught [o(Exception):"java.lang.Exception:  
CreateInstance failed: new Utility. Cause:  
java.lang.ClassNotFoundException: Could not find Utility in  
java_require() path. Please check the path and the SEL and File  
permissions. Responsible VM: 1.5.0_06@http://apple.com/" at: #-7  
php.java.bridge.DynamicJavaBridgeClassLoader.loadClass 
(DynamicJavaBridgeClassLoader.java:408) #-6  
php.java.bridge.SimpleJavaBridgeClassLoader.forName 
(SimpleJavaBridgeClassLoader.java:162) #-5  
php.java.bridge.JavaBridge.CreateObject(JavaBridge.java:499) #0 / 
Library/WebServer/Documents/cj/simapi-java-5.0.0/samples/nvp/ 
AuthCaptureSample.php(18): Java::__construct('Utility') #1 {main}]  
thrown in /Library/WebServer/Documents/cj/simapi-java-5.0.0/samples/ 
nvp/AuthCaptureSample.php on line 18

Thanks for the help.  -- Jon

Hi,

I am wanting to use your php-java-bridge to share httpsession data between a php application and a j2ee application and also for the php applicaton to communicate with some java session facades as an alternative to SOAP based calls.

I have had mixed success with the various configurations described in the documentation and would appreciate comments on the most optimal solution.   I am finding the documentation a little confusing :(

>From what I have read the c-based extension seems to be an obvious choice and running PHP using the Apache module rather than the embedded J2EE AS option seems the safest.

Like I said, I have played around - the solution that seemed to work best was when I had the .php files removed from the JavaBridge.war and placed into my Apache doc_root.  I had also copied the java directory from the war to the doc_root  (I had to update the php.ini include_directory) and I removed the cgi directory from WEB-INF (I wanted to make sure the PHP pages were being served by Apache).  With this I was able to run the sessionSharing example - the RMI/IIOP example failed but I have seen a few posts here regarding this...

Anyway, I am not sure if the above configuration is correct/desirable - I am sure that now I am using the pure php  php/java bridge implementation, I think this because with the java directory (with the php files) things don't work.

I have the following configuration:

Apache 2.0.59
PHP 5.1.6
mod_jk 1.2.19
Jboss 4.0.4
Java 1.5

We are using Apache to server static content like images and html, we are also using it to serve PHP. We have the following rules for a virtual host:

    # Dynamic content
    JkMount _/* worker
  
    # Static content
    JkUnMount _/*.gif worker
    (more like the above - including  _/*.php)

I am not really sure if I need the JkAutoAlias also..

Any help/comments most welcome.

 Send instant messages to your online friends http://uk.messenger.yahoo.com 

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