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

Greetings.

I am having trouble with the installation on loading the extension. When the 
'java.so' extension load is attempted I get the following error:

Warning: dl(): Unable to load dynamic library 
'/usr/lib/php/extensions/java.so' - /usr/lib/php/extensions/java.so: 
undefined symbol: zend_ce_arrayaccess in /srv/www/htdocs/test.php on line 12

I running PHP Version 4.3.4

Any help would be appreciated. Thanks.

Hi Kevin,

> I'm attempting to set up the php-java-bridge in the
> "load balancing
> and failover" approach.  What access does Apache
> need to have to the
> .php files in my project?

It should work if you symlink the tomcat webapps
directory  into the apache document root or if you "jk
mount" it.

It's just that apache must be able to allocate and to
invoke a php instance from its pool.  


> *install warfile
> *access http://myhost/JavaBridge/numberguess.php

Yes.  If /var/www/html/JavaBridge/numberguess.php
exists.

 
> Or do I need to grant apache access to that
> directory, and map
> JavaBridge/**.php to the webcontent/JavaBridge
> directory?

jk mounting it is is also possible, but slower. When
you mount a file or directory using mod_jk, the
adapter "copies" the content of the file or directory
from the tomcat dir to the apache dir at run-time. 

So I would just symlink the
$CATALINA_HOME/webapps/JavaBridge to
/var/www/html/htdocs/.  

BTW: If you have RedHat FC4, the tomcat webapps and
the apache htdocs are shared by default, mod_jk is not
needed anymore.


Regards,
Jost Boekemeier



	

	
		
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Hi Guillaume,

> $Array = new JavaClass("java.lang.reflect.Array");
> $String = new JavaClass("java.lang.String");
> $entries = $Array->newInstance($String, 2);
[...]
> 	$req->ProcessFunction($Array);
[...]
>...(([Ljava.lang.String;)c:java.lang.reflect.Array)

if I understand this correctly, you want to pass the
created String[] instance to ProcessFunction, not the
$Array class.

Does 

  $req->ProcessFunction($entries)

solve the problem?


BTW: The above error message indicates that the
ProcessFunction2 accepts a [Ljava.Lang.String], i.e. a
String[] but it is called with an argument which is a
class java.lang.reflect.Array.  I agree that this is
difficult to read, but if I make the message more
verbose, php may cut off the rest of the message.

Maybe the full message should go to the PHP/Java
Bridge log.


Regards,
Jost Boekemeier


	

	
		
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Hi,

a number of people have asked how to invoke php
scripts from a java servlet or from a java
application.

Instead of answering these questions individually I
have created a demo. The ~4MB linux tar file can be
downloaded at

-> php-java-bridge.sf.net/php-java-bridge-3.0-demo.tar

It contains:

 * JavaBridge.jar version 3.0
 * java.so version 3.0, intel/linux 386 binary
 * php version 5.0.5, intel/linux 386 binary
 * php-script.jar (new since version 3.0)

 * HelloWorld1.java: Allocates a script from the
   build-in CGI pool using a local FileReader, calls
   the local (CGI-) php continuation and invokes php 
   script methods.

 * HelloWorld2.java: Allocates the script from 
   an external HTTP pool using a URLReader, calls
   the remote php continuation and invokes php
methods.


For older java versions (<1.6) it also contains:

 * script-api.jar ((C) by Sanka Samaranayake,
distributed under the Apache license)


Extract the php-java-bridge-3.0-demo.tar in /tmp, for
example with the command:

  cd /tmp
  tar xvf php-java-bridge-3.0-demo.tar 

And run the sample, for example with:

  sh runHello.sh

To run the second demo, move the HelloWorld.php to
your web server, make sure that the PHP/Java Bridge is
installed on this web server and check that its
php.ini contains _only_ the following entry:

[java]
# enable the http tunnel
java.servlet=On

After activating the new .ini (re-start the
web-server), you can run the second example, which is
similar to the first one except that it uses a
URLReader to allocate and to call out to a php
instance running on a remote http server.


Regards,
Jost Boekemeier

 



	

	
		
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