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

Hi Andrés,

I just saw that you use a recent version of PHP
anyway. 

So please use the pure PHP implementation instead of
the C based implementation started as a sub component
of Apache.

Type: 

  /opt/jdkXXX/bin/java -jar JavaBridge.jar
SERVLET:8080

And then use your java from your scripts as follows:

<?php
require_once("http://localhost:8080/JavaBridge/java/Java.inc");
java_require("all.jar;my.jar;library.jar;files.jar");
...
?>

If this works and you really want to run Java as a sub
component of Apache, you can think about where to
store your libraries and how to set the security
policy in a second step.


Regards,
Jost Boekemeier





	
		
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Hi Jose,

> I don't know where 
> to find the "include" files in RT/ or the
> Lucene/All.php file.  

java -jar JavaBridge.jar convert ... 

as described in the README doesn't create the RT/ and
Lucene/ directories?

If so please file a bug report.

> I missing?  I have successfully created/searched
> Lucene indexes using 
> just Java.


Well, use the low-level interface instead. All the
above wrappers do is to call the low-level Java(...)
procedures.


Regards,
Jost Boekemeier



		
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I have tried to run your example of search using Lucene and cannot get 
it to work in my W2k/PHP5.2.1/PhpEdit environment.  I don't know where 
to find the "include" files in RT/ or the Lucene/All.php file.  What am 
I missing?  I have successfully created/searched Lucene indexes using 
just Java.

Thanks,

Jose

Hi,

I have uploaded version 4.0.2 for testing.

* It now contains our own FastCGI launcher.exe which
uses named pipes instead of TCP sockets on windows.

* Most of the old FastCGI code has been rewritten or
cleaned up.

* The pure PHP implementation now supports "named
pipes", persistent backend connections and
"override-redirect". 

* For those who don't have a PHP opcode cache
(sometimes called "accelerator technology") the pure
PHP implementation loads *much* faster.


Since the pure PHP implementation is now complete, we
can think about removing the old C based
implementation entirely: On Linux the pure PHP
implementation is only 2 times slower than the C based
implementation. 

I think the future of the C based implementation
depends on wheter someone is willing to maintain it.


Regards,
Jost Boekemeier



		
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Hi Andrés,

>java_require("file://usr/local/apache2/htdocs/tests_java/Test.jar");
>
java_require("http://localhost/tests_java/Test.jar");
>
java_require("http://172.16.0.75/tests_java/Test.jar");
> java_require("Test.jar");
> 
> And none of them seemed to work. 

All of the above examples should work. Which error
message do you get? 

Note that most modern Linux systems come with Security
Enhanced Linux enabled. This means that the folders
tests_java, DOCUMENT_ROOT/tests_java and htdocs must
be tagged appropriately. Furthermore the back end runs
in a sand box which can only access files and
directories which belong to httpd (or the "apache"
user on RedHat linux). Please see the readme the
documentation on php-java-bridge.sf.net for details.


> Which would be the most appropiate way?

Copy Test.jar into {php.java.bridge.base}/lib and use
java_require("Test.jar"); If you have installed from
RPM, this directory is tagged as lib_t and has the
correct permissions.


> > > VM: 3.4.3@http://gcc.gnu.org/java/
> 
> Where should I define the VM that php/java bridge
> will work with?

It depends on how you start Java. As a sub component
of  Apache or IIS? In this case the bridge uses the
java.java option from the php.ini.


> I actually installed the Java J2SE JDK from Sun on
> my box on /opt/jdk_ ...
> and that path is the one I set on the java.ini file.

The phpinfo() or the test.php page should display the
settings. Probably your system uses another .ini file
than you expect.


> Ok, I'll remove the java_reset() calls. 

Most back ends ignore the java_reset() calls anyway.
Only the standalone container honors it. I thought
java_reset() generates enough noise so that people
don't use it in their scripts. Unfortunately it is
possible to suppress the warnings with the @operator. 


> I shouldn't touch the CLASSPATH, right?

You can set it to any value you want. Java and the
PHP/Java Bridge don't care.


> I'm not sure about what you mean when you say
> wrappers.

I think hiding the libraries behind a facade is a bad
idea; people shouldn't write unnatural code.  If you
have deployed your libraries into a J2EE back end, use
the libraries directly:

<?php
require_once("http://hostname:8080/JavaBridge/java/Java.inc");
java_require("foo.jar;bar.jar;...");
.. call your libraries ..
?>

If it turns out that some procedures should be
optimized,  encapsulate the PHP code with the
java_begin_document()/java_end_document() pair. This
sends and executes the PHP code on the server side.
This is nearly as fast as Java code.


Regards,
Jost Boekemeier





	
		
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