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

Andre,

I just downloaded the source as well and was able to expand the .gz  
but failed upon expanding the .tar.  I am getting: "Error 2 - No such  
file or directory."

Looks like the source files may be corrupted.

Jon Koerber
php/Java bridge Site and project admin
jon...@so...

On Jan 30, 2007, at 9:08 AM, php-java-bridge- 
us...@li... wrote:

> Hello,
> I tried 3 different mirrors (Texas, UK and Brasil) and the source  
> tar.gz issued an error when I tried to expand it.
> Did anyone successfully expand it?
> Regards.
> Andre Felipe Machado
>
>
>
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> php...@li...
> https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users

Thanks a lot for the answer - now, I am able to seamlessly use the php =
application inside my tomcat (jboss actually) app.

I will post this solution to sitemesh user foruns - there is a discussion =
there about using sitemesh to decorate php applications within the tomcat =
container.

Thanks again,

Tedi

-----Mensagem original-----
De: php-java-bridge-users-bounces=40lists.sourceforge.net
=5Bmailto:php-java-bridge-users-bounces=40lists.sourceforge.net=5DEm nome de
php-java-bridge-users=40lists.sourceforge.net
Enviada em: quinta-feira, 11 de janeiro de 2007 08:58
Para: php-java-bridge-users=40lists.sourceforge.net
Assunto: Re: =5BPhp-java-bridge-users=5D Call to undefined
functionmysql_pconnect()


>    After setting up the bridge, I got the 'Call to
> undefined function mysql_pconnect()', which I guess
> is due to this sql function not being complied to
> the default bridge installation (fedora 5).

Old versions (<=3D 3.2.2) of the bridge contain a
compiled PHP binary in the JavaBridge.war file. In
version 4.x, which uses the same code base as 3.x
we've removed these obsolete components.

Just remove the WEB-INF/cgi/php-cgi-i386-linux
executable or simply upgrade to 4.0.1, which uses the
system PHP binary by default.


>   Is there anyway I could make the modules available
> to my previous php instalation available to
> php-bridge?

You could compile a mysql.so and copy it to the
WEB-INF/cgi directory. Or simply use the PHP binary
from fedora 5.
=20




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>    After setting up the bridge, I got the 'Call to
> undefined function mysql_pconnect()', which I guess
> is due to this sql function not being complied to
> the default bridge installation (fedora 5).

Old versions (<= 3.2.2) of the bridge contain a
compiled PHP binary in the JavaBridge.war file. In
version 4.x, which uses the same code base as 3.x
we've removed these obsolete components.

Just remove the WEB-INF/cgi/php-cgi-i386-linux
executable or simply upgrade to 4.0.1, which uses the
system PHP binary by default.


>   Is there anyway I could make the modules available
> to my previous php instalation available to
> php-bridge?

You could compile a mysql.so and copy it to the
WEB-INF/cgi directory. Or simply use the PHP binary
from fedora 5.
 




	
		
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Hi,

   I am trying to use php-java-bridge to allow my users to access a php =
application we have setup in our server through another application =
developed in Java deployed on Jboss.   The java application would behave =
like a proxy to this php application.=20

   After setting up the bridge, I got the 'Call to undefined function =
mysql_pconnect()', which I guess is due to this sql function not being =
complied to the default bridge installation (fedora 5).

  Is there anyway I could make the modules available to my previous php =
instalation available to php-bridge?

    Thanks,
 =20
    Tedi

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Politica de Privacidade: Esta mensagem pode conter informacao confidencial =
e/ou privilegiada. Se voce nao for o destinatario ou a pessoa autorizada a =
receber esta mensagem, nao pode usar, copiar ou divulgar as informacoes =
nela contidas ou tomar qualquer acao baseada nessas informacoes. Se voce =
recebeu esta mensagem por engano, por favor avise imediatamente o =
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cooperacao.

Privacy Policy: This message may contain confidential and/or privileged =
information. If you are not the addressee or authorized to receive this =
for the addressee, you must not use, copy, disclose or take any action =
based on this message or any information herein. If you have received this =
message in error, please advise the sender immediately by reply e-mail and =
delete this message. Thank you for your cooperation.=

Hi James,

> What if I call
>    http://localhost/testJava.php
> 
> and testJava.php file includes the (pure Java)
> PHP/Java bridge and makes a
> call on a new Java object.

the bridge uses a named-pipe connection to call the
JVM.

The bridge calls the J2EE/Servlet back end only if a
persistent connection doesn't exist or when the script
contains java_session() call and the PHP instance
doesn't have a session object.


> course.) If the JavaBridge
> servlet is not running then the Java call(s) will
> fail.

Well, yes. The pure PHP implementation currently
doesn't use persistent connections. But that's an
implementation detail.


> So in this instance, Tomcat *does* see the request

Yes, you're right. But the request/response objects
created for the initial PUT request will vanish when
the request is done. Furthermore they don't contain
any usable values for you.

If you really want to use PHP within Apache, you must
fake a request/response pair, for example by using a
Request/ResponseWrapper (see the J2EE servlet
documentation).


> The issue though, is some of the Java classes I'm
> using want to write out
> (D)HTML using objects that exist in the Servlet
> context - obviously that
> won't work if being called from Apache -> PHP ->
> Tomcat Java/Bridge.

It shouldn't be too difficult to write a
ServletContextWrapper either.


> I suppose my other option would be to run the PHP
> file from Tomcat instead
> of Apache... that may not be so bad, but it feels
> like then I'm just a step
> away from using pure Servlets + JSP and I could drop
> PHP entirely. :)

I don't think so. PHP, as an interpreted language, has
many advantages over JSP. PHP doesn't need a
development tool (a compiler) installed at run-time, 
it emmits clear error messages instead of obscure
messages from the compiler ("compilation error in file
bst_foo$__jsp.java ...").


Regards,
Jost Boekemeier


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A couple more questions, then...

On 1/4/07, php...@li... <
php...@li...> wrote:
>
> Hi James,
>
> > I had thought since the JavaBridge *was* running
> > under Tomcat that I had
> > access to everything a Servlet would as well.
>
> Only if you access it through the servlet. Just direct
> your browser to port 8080 or set up mod_jk to forward
> everything to Tomcat.


Okay, that makes sense: pages called directly from my AS will of course be
running in a Servlet context.

> - but now I'm less certain I understand the exact
> > relationship between PHP,
> > a Java call, and Tomcat.
>
> Well it's quite simple. If you call
>
>  http://localhost:8080/JavaBridge/sessionSharing.jsp
>
> tomcat creates a servlet from the JSP file and i
> nvokes it. For PHP requests this is similar:
>
>  http://localhost:8080/JavaBridge/sessionSharing.php
>
> invokes a servlet which creates the HTML pages and
> then delegates to PHP to fill in the content.
>
> If you call
>
>  http://localhost/sessionSharing.php
>
> then Apache (or IIS) renders and returns the HTML
> page.
> Tomcat doesn't even see this request.



What if I call
   http://localhost/testJava.php

and testJava.php file includes the (pure Java) PHP/Java bridge and makes a
call on a new Java object.

This behavior relies on the JavaBridge Servlet running in the AS (in my
case: Tomcat). (This is setup in my php.ini, of course.) If the JavaBridge
servlet is not running then the Java call(s) will fail.

So in this instance, Tomcat *does* see the request, or at least the Java
portions of it, but the java_context() isn't established(?).

> I'm trying to use a set of Java classes that were
> > designed to run as a
> > Servlet. (I want to use PHP to write the front-end
> > pages and Java to do the
> > "heavy lifting" in the back.)
> >
> > My final call to one of the class methods is
> > $exportControl->processHttpdRequest($req, $resp,
> > $servlet, null)
>
> This shouldn't be a problem. Just replace the JSP
> logic with PHP and you're done.


Which I've done a lot of, and it seems to be working well.

The issue though, is some of the Java classes I'm using want to write out
(D)HTML using objects that exist in the Servlet context - obviously that
won't work if being called from Apache -> PHP -> Tomcat Java/Bridge.

I suppose my other option would be to run the PHP file from Tomcat instead
of Apache... that may not be so bad, but it feels like then I'm just a step
away from using pure Servlets + JSP and I could drop PHP entirely. :)

Regards,
> Jost Boekemeier
>
>
> <https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users>

Hi,

> Please use the compiled java.so for RHEL3 instead.
> The
> last release was 2.0.8:

Version 2.0.8 is quite old.

A current php_java.dll or java.so can be found in the
php-java-bridge-legacy.zip file:

http://sourceforge.net/project/shownotes.php?release_id=475534&group_id=117793


Regards,
Jost Boekemeier




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Hi James,

> I had thought since the JavaBridge *was* running
> under Tomcat that I had
> access to everything a Servlet would as well. 

Only if you access it through the servlet. Just direct
your browser to port 8080 or set up mod_jk to forward
everything to Tomcat.


> - but now I'm less certain I understand the exact
> relationship between PHP,
> a Java call, and Tomcat.

Well it's quite simple. If you call 

 http://localhost:8080/JavaBridge/sessionSharing.jsp

tomcat creates a servlet from the JSP file and i
nvokes it. For PHP requests this is similar:

 http://localhost:8080/JavaBridge/sessionSharing.php

invokes a servlet which creates the HTML pages and
then delegates to PHP to fill in the content.

If you call

 http://localhost/sessionSharing.php

then Apache (or IIS) renders and returns the HTML
page.
Tomcat doesn't even see this request. 




> I'm trying to use a set of Java classes that were
> designed to run as a
> Servlet. (I want to use PHP to write the front-end
> pages and Java to do the
> "heavy lifting" in the back.)
> 
> My final call to one of the class methods is
> $exportControl->processHttpdRequest($req, $resp,
> $servlet, null)

This shouldn't be a problem. Just replace the JSP
logic with PHP and you're done.


Regards,
Jost Boekemeier


__________________________________________________
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James,

The project you are working on definitely sounds like the type of =20
case study I want to see for the Web site to show other users (and =20
potential users) what can be done with PHP and Java using Jost's php/=20
Java bridge.

Contact me when you are ready to share your project results.

Jon Koerber
php/Java bridge Web site admin
jon...@us...


On Jan 4, 2007, at 8:42 AM, php-java-bridge-=20
us...@li... wrote:

> Thanks, Jost, for the detailed reply. It helps me understand better =20=

> how all
> of these components are working together.
>
> I had thought since the JavaBridge *was* running under Tomcat that =20
> I had
> access to everything a Servlet would as well. It seems that is not =20
> the case
> - but now I'm less certain I understand the exact relationship =20
> between PHP,
> a Java call, and Tomcat.
>
> Why do I need those java_context() objects?
>
> I'm trying to use a set of Java classes that were designed to run as a
> Servlet. (I want to use PHP to write the front-end pages and Java =20
> to do the
> "heavy lifting" in the back.)
>
> My final call to one of the class methods is
> $exportControl->processHttpdRequest($req, $resp, $servlet, null)
>
> This is supposed to write out the HTML (or other file data) =20
> directly to the
> browser. The parameters it requires are the Servlet Request, =20
> Response, and
> context objects.
>
> FWIW, if I can get this to work I'm writing it up as a case study =20
> for the
> website. It's a non-trivial implementation of PHP and Crystal =20
> Reports that
> can only be made to run by using the PHP/Java Bridge.
>
> - James
>
> On 1/4/07, php...@li... <
> php...@li...> wrote:
>>
>> Hi,
>>
>>> Am I doing something wrong when calling the
>>> java_context() function?
>>
>> java_context() returns the current Java context. It is
>> a JSR223 context if JSR223 is available. A servlet
>> context, from which the servlet request, response, ...
>> can be obtained, if PHP is running within a J2EE
>> environment. Or a remote context when Java is accessed
>> through a Apache or IIS front end or from a PHP
>> command line binary:
>>
>> <?php
>>
>> require_once
>>    ("http://localhost:8080/JavaBridge/java/Java.inc");
>>
>> $ctx =3D java_context();
>> $res =3D $ctx->getHttpServletResponse();
>> ?>
>>
>> In the above example $res is always null, unless the
>> initial request came in through the tomcat port 8080.
>>
>> What do you want to do with the ServletRequest and
>> ServletResponse objects anyway? When PHP is invoked
>> from the command line or running within Apache/IIS,
>> there's no servlet involved which could hold resonable
>> values for the HTTP "GET/PUT/POST" method or URL
>> parameters.
>>
>>
>>> I first tried to use
>>> java_context()->getHttpServletResponse
>> [...]
>>> [o(RemoteContext)]->...
>>> *() but that returned null.
>>
>> Yes. RemoteContext always returns null for
>> getHttpServletResponse etc. See
>>
>> http://php-java-bridge.cvs.sourceforge.net/php-java-bridge/php-=20
>> java-bridge/server/php/java/servlet/RemoteContext.java?=20
>> revision=3D1.1&view=3Dmarkup
>>
>>
>>> I then tried calling
>>> java_context()->getAttribute
>>
>> This will not work either. The JSR223 functionality is
>> only available if the bridge is running in a JSR223
>> environment:
>>
>> ScriptEngineManager m =3D new ScriptEngineManager();
>> ScriptEngine e =3D m.getEngineByName("php-invocable");
>> e.eval("<?php function f($p) {return 'hi '.$p;}?>");
>> Invocable i =3D (Invocable)e;
>> Object o =3D i.invokeFunction("f", new
>> Object[]{"Java"});
>> System.out.println(o);
>>
>> =3D> hi Java
>>
>>
>>
>> Can you please explain what you want to do?
>>
>>
>> Regards,
>> Jost Boekemeier
>>
>>
>> __________________________________________________
>> Do You Yahoo!?
>> Sie sind Spam leid? Yahoo! Mail verf=FCgt =FCber einen herausragenden =
=20
>> Schutz
>> gegen Massenmails.
>> http://mail.yahoo.com
>>
>> ---------------------------------------------------------------------=20=

>> ----
>> Take Surveys. Earn Cash. Influence the Future of IT
>> Join SourceForge.net's Techsay panel and you'll get the chance to =20
>> share
>> your
>> opinions on IT & business topics through brief surveys - and earn =20
>> cash
>> http://www.techsay.com/default.php?=20
>> page=3Djoin.php&p=3Dsourceforge&CID=3DDEVDEV
>> _______________________________________________
>> php-java-bridge-users mailing list
>> php...@li...
>> https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users
>>
> ----------------------------------------------------------------------=20=

> ---
> Take Surveys. Earn Cash. Influence the Future of IT
> Join SourceForge.net's Techsay panel and you'll get the chance to =20
> share your
> opinions on IT & business topics through brief surveys - and earn cash
> http://www.techsay.com/default.php?=20
> page=3Djoin.php&p=3Dsourceforge&CID=3DDEVDEV
> _______________________________________________
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> php...@li...
> https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users

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Z2UtdXNlcnMKPgo=

Hi,

> Am I doing something wrong when calling the
> java_context() function?

java_context() returns the current Java context. It is
a JSR223 context if JSR223 is available. A servlet
context, from which the servlet request, response, ...
can be obtained, if PHP is running within a J2EE
environment. Or a remote context when Java is accessed
through a Apache or IIS front end or from a PHP
command line binary:

<?php

require_once
   ("http://localhost:8080/JavaBridge/java/Java.inc");

$ctx = java_context();
$res = $ctx->getHttpServletResponse();
?>

In the above example $res is always null, unless the
initial request came in through the tomcat port 8080. 

What do you want to do with the ServletRequest and
ServletResponse objects anyway? When PHP is invoked
from the command line or running within Apache/IIS,
there's no servlet involved which could hold resonable
values for the HTTP "GET/PUT/POST" method or URL
parameters.


> I first tried to use
> java_context()->getHttpServletResponse
[...]
> [o(RemoteContext)]->...
> *() but that returned null.

Yes. RemoteContext always returns null for
getHttpServletResponse etc. See
http://php-java-bridge.cvs.sourceforge.net/php-java-bridge/php-java-bridge/server/php/java/servlet/RemoteContext.java?revision=1.1&view=markup


> I then tried calling
> java_context()->getAttribute

This will not work either. The JSR223 functionality is
only available if the bridge is running in a JSR223
environment:

ScriptEngineManager m = new ScriptEngineManager();
ScriptEngine e = m.getEngineByName("php-invocable");
e.eval("<?php function f($p) {return 'hi '.$p;}?>");
Invocable i = (Invocable)e;
Object o = i.invokeFunction("f", new
Object[]{"Java"});
System.out.println(o);

=> hi Java



Can you please explain what you want to do? 


Regards,
Jost Boekemeier


__________________________________________________
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http://mail.yahoo.com 

Hi,

First off thank you for the reply.

 >> running into an odd situation. When I fire up the
 >> bridge it spawns 10
 >> child processes

 > Not really. It should start only one Java VM, attached
 > to the HTTP server.

Your right it does only fire up one instance of the VM under the apache 
process, with a number of threads below that.

Thank you again.
--
Jeff

Am I doing something wrong when calling the java_context() function?

I first tried to use
java_context()->*getHttpServletResponse<http://php-java-bridge.sourceforge.net/pjb/server/documentation/API/php/java/servlet/Context.html#getHttpServletResponse%28%29>
*() but that returned null.

I then tried calling java_context()->getAttribute('javax.script.filename'),
but that throws an Exception, complaining about Context.java:80. (stack
trace pasted below)

I've got sample code I can send to the mailing list of other want to try and
duplicate it. I'm running Apache 2.2, PHP 5.2.0, Tomcat 5.5, and PHP/Java
Bridge 3.2.1

java stack trace: [o(ByteArrayOutputStream):"java.lang.Exception:
Invoke failed: [o(RemoteContext)]->getAttribute((String)o(String)).
Cause: java.lang.NullPointerException Responsible VM:
1.6.0@http://java.sun.com/
	at php.java.servlet.Context.getAttribute(Context.java:80)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at php.java.bridge.JavaBridge.Invoke(JavaBridge.java:1114)
	at php.java.bridge.Request.handleRequest(Request.java:342)
	at php.java.bridge.Request.handleRequests(Request.java:388)
	at php.java.bridge.http.ContextRunner.run(ContextRunner.java:188)
	at php.java.bridge.BaseThreadPool$Delegate.run(BaseThreadPool.java:66)
Caused by: java.lang.NullPointerException
	... 10 more
"]

Hi,

> running into an odd situation. When I fire up the
> bridge it spawns 10 
> child processes

Not really. It should start only one Java VM, attached
to the HTTP server.


, but whenever I run a php script
> that requires the 
> bridge, it seems to spawn more children but never
> releases them.

It uses a thread pool. Please see our FAQ for details.
Is there a problem with this?


Regards,
Jost Boekemeier




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Hi,


> I am experiencing problems when trying to install
> the bridge on Red Hat EL
> Linux w/ PHP4 and Java5.

Please use the compiled java.so for RHEL3 instead. The
last release was 2.0.8:

http://sourceforge.net/project/downloading.php?group_id=117793&use_mirror=mesh&filename=php-java-bridge-2.0.8-1.RHEL.i386.rpm&155133



> installation, any command line
> statement is terminated with a "Segmentation fault"
> message.

This sounds as if it crashes in the MINIT function,
because all variables are set to 0. We know that some
gcc versions have (had?) a strange bug which caused
this. It is (was) probably a bug in the optimizer: -O0
fixes this, so does a reboot(!) and recompilation.
Someone has reported this on FreeBSD and sent us the
java.so created before and after the reboot. In the
first java.so the init section was missing.

Can you please open a problem report and attach the
created java.so at the end of this ticket?

Please also report the gcc version and the conditions
when this problem appears and the hardware you use.


Regards,
Jost Boekemeier


__________________________________________________
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http://mail.yahoo.com 

I'm running the 3.2.1 version of the bridge with sun-jdk-1.4.2.12 and am 
running into an odd situation. When I fire up the bridge it spawns 10 
child processes, but whenever I run a php script that requires the 
bridge, it seems to spawn more children but never releases them.

On startup:
#* */usr/local/apache/bin/apachectl start
JavaBridge log: /var/log/php-java-bridge.log
/usr/local/apache/bin/apachectl start: httpd started
#* *ps faux | grep -c java
12
#php java_test.php
OK
# ps faux | grep -c java
30
#php java_test.php
OK
# ps faux | grep -c java
31
#php java_test.php
OK
# ps faux | grep -c java
32

Jan 02 11:02:18 JavaBridge INFO : JavaBridge version         : 3.2.1
Jan 02 11:02:18 JavaBridge INFO : JavaBridge logFile         : 
/var/log/php-java-bridge.log
Jan 02 11:02:18 JavaBridge INFO : JavaBridge default logLevel: 10
Jan 02 11:02:18 JavaBridge INFO : JavaBridge socket          : 
INET_LOCAL:9267
Jan 02 11:02:18 JavaBridge INFO : JavaBridge library path    : 
/opt/sun-jdk-1.4.2.12/jre/lib/ext
Jan 02 11:02:18 JavaBridge INFO : JavaBridge thread pool size: 20


The script exits just fine. Any ideas?

Thanks in advance.
--
jeff rooney
jtr...@iy...

Hi,
I am experiencing problems when trying to install the bridge on Red Hat EL
Linux w/ PHP4 and Java5.
Dowloaded the latest source archive (v 3.2.1-1), successfully compiled and
installed the bridge as superuser (no compilation or installation errors).
However, this seems to break my current PHP installation, any command line
statement is terminated with a "Segmentation fault" message.
For example:

[root@db php.d]# php
Segmentation fault

Commenting out the "extension = java.so" declaration in java.ini fixes PHP
again, so I conclude it must be a problem with the bridge:

[root@db php.d]# php --version
PHP 4.3.9 (cgi) (built: Nov  2 2006 16:39:38)
Copyright (c) 1997-2004 The PHP Group
Zend Engine v1.3.0, Copyright (c) 1998-2004 Zend Technologies

FYI, I am running on:
Red Hat Enterprise Linux ES Release 4
PHP 4.3.9
Apache/2.0.52
Java 1.5.0_10 with Tomcat 5.5.20

Did anyone experience similar issues? Please help!
Many thanks,
-Stefan