php-java-bridge-users Mailing List for PHP/Java Bridge (Page 4)

well, for v4 and v5.0 i didn't need to include Java.inc, in fact i didn't
have the file at all and it worked well, weird...

On Thu, Mar 6, 2008 at 10:59 PM, <
php...@li...> wrote:

> Hi,
>
> I don't understand this problem.  The linux setup creates java/Java.inc in
> the standard include
> path. The PHP windows versions, which don't have a proper include path,
> use the current working
> directory instead.
>
> What's the problem with this setting?
>
>
> Regards,
> Jost Boekemeier
>
>
>
>
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Hi,

> I see the context and the session, however I am having trouble getting at the actual value of
> the java session id.

=> http://java.sun.com/j2ee/1.4/docs/api/javax/servlet/http/HttpSession.html#getId()


Hope it helps.


Regards,
Jost Boekemeier



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Hi,

I don't understand this problem.  The linux setup creates java/Java.inc in the standard include
path. The PHP windows versions, which don't have a proper include path, use the current working
directory instead.

What's the problem with this setting?


Regards,
Jost Boekemeier




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Hi all,

I have been using PHP/Java bridge for a while, I guess a lot ppl might have
the similar feeling as me about it which is once it's set up properly, it
works great:)

I have installed v4, and v5.0 from source on different platforms, without
tomcat or servlet, and none of them required me to have a line like
"require_once('Java.inc')" in my php scripts. Although I did notice that in
the FAQ (in the source package) it does say "Java.inc must be included
before it can be used", it worked well for me without that line and I took
it that "it" in that claim must be meaning something else:)

Everything was fine until today when I started using 5.2. I did the same
configuration as I did before, and it seems it's started properly (from
phpinfo()), but this time it didn't do the trick, without that line I
couldn't use anything starting with "java", like "java_require()", it keeps
saying "*Fatal error*: Call to undefined function java_require()". So I
copied Java.inc in the source package to my script directory and added that
line, everything started working again.

So anyone could please explain why I didn't need Java.inc but now I have to
have it? If I do need it, where is the best place to find it and to store
it, in other words, will it change over time? why did the installation
script not copy it to a proper directory? Maybe for ppl using tomcat or
servlet, they can extract it from JavaBridge.jar, isn't it troublesome for
ppl without them?

Thanks.

Rong

Hi JavaBridge list,

I see the context and the session, however I am having trouble getting at the actual value of the java session id.

Thoughts?
~tim

Hi,

for our current project we are looking around for what kind of
technologies we want to use for the website.
We ideally would like to have Java for the logic, but we are not too
thrilled by any of the java frameworks for the web front end.
PHP gives us exactly the kind of freedom we want for the front end,
but we would like to use it purely for displaying content, and do not
want to have any complex logic.
Hence, the PHP / Java bridge sounds like the perfect solution.

Now, our main concern is the performance of the php/java bridge; our
website will have many visitors (and logged in users), and we would
like to know that we do not get into performance problems further down
the road.

Has anyone used the bridge for a website with high traffic, and is
willing to share their experiences with it so far?

Has anyone performed tests to measure how the bridge performs when
under pressure?
Got any tips on how to perform such tests the best way (e.g.
suggestions for tools that can help us) ?

thanks much for any information you can provide us,

RJ

> > if( $fis == null ) {
> 
> The above test is invalid. $fis is an object representing Java NULL, not a PHP null pointer.

BTW: a PHP null value should be tested with is_null(...), see your PHP documentation


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Hi,

> if( $fis == null ) {

The above test is invalid. $fis is an object representing Java NULL, not a PHP null pointer.

Please re-read the NEWS file for version 5.0.0 or the PHP/Java Bridge documentation.



Regards,
Jost Boekemeier



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ignore my previous post. i was me careless, the method
works like a charm!finaly i got java running with php
thanks 
--- php...@li... wrote:

> Hi,
> 
> > 2. as for tomcat. any idea how would my
> php(apache)
> > communicate with java(tomcat) 
> 
> please see the INSTALL.J2EE document for details.
> 
> 
> IBM has a more detailed description at:
> 
>
http://www.ibm.com/developerworks/aix/library/au-javaphpaix5/
> 
> 
> 
> 
> 
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hi,
 the link works very well except when i call java from
my php, i get.  could it be the issue with my java
installation ? thanks in advance 

Fatal error: Uncaught
[[o:Exception]:"java.lang.Exception: CreateInstance
failed: new �javalangSystem�. Cause:
java.lang.ClassNotFoundException: �javalangSystem�
VM: 1.5.0_05@http://java.sun.com/" at: #-25
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1360)
#-24
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1206)
#-23 java.lang.ClassLoader.loadClassInternal(Unknown
Source) #0
http://127.0.0.1:8080/JavaBridge/java/Java.inc(259):
java_ThrowExceptionProxyFactory->getProxy(1, NULL,
false) #1
http://127.0.0.1:8080/JavaBridge/java/Java.inc(411):
java_Arg->getResult(false) #2
http://127.0.0.1:8080/JavaBridge/java/Java.inc(414):
java_Client->getWrappedResult(false) #3
http://127.0.0.1:8080/JavaBridge/java/Java.inc(596):
java_Client->getInternalResult() #4
http://127.0.0.1:8080/JavaBridge/java/Java.inc(1947):
java_Client->createObject('?javalangSystem...', Array)
#5 C:\Program Files\Apache Software
Foundation\Apache2.2\htdocs\test1.php(5):
Java->Java('?javalan in
http://127.0.0.1:8080/JavaBridge/java/Java.inc on line
222

 


--- php...@li... wrote:

> Hi,
> 
> > 2. as for tomcat. any idea how would my
> php(apache)
> > communicate with java(tomcat) 
> 
> please see the INSTALL.J2EE document for details.
> 
> 
> IBM has a more detailed description at:
> 
>
http://www.ibm.com/developerworks/aix/library/au-javaphpaix5/
> 
> 
> 
> 
> 
>       Jetzt Mails schnell in einem Vorschaufenster
> überfliegen. Dies und viel mehr bietet das neue
> Yahoo! Mail - www.yahoo.de/mail
> 
>
-------------------------------------------------------------------------
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> Defy all challenges. Microsoft(R) Visual Studio
> 2008.
>
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
> php-java-bridge-users mailing list
> php...@li...
>
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> 



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I was trying to use the jFuzzyLogic toolkit with PHP/Java bridge but I
got some error. The PHP/Java bridge I use is 5.1.0 and the jFuzzyLogic
is 1.2.1. Here's my code:

<?php

	if(!extension_loaded("java"))
		require_once("JavaBridge/java/Java.inc");
	java_require("jFuzzyLogic_1_2_1.jar");
	$fis = new Java("net.sourceforge.jFuzzyLogic.FIS");
	$fis->load("fcl/tipper.fcl");
	if( $fis == null ) {
		echo "<p>Can't load file</p>";
	}
	else {
		echo "<p>Load succeed</p>";
	}
	$fuzzyRuleSet = $fis->getFuzzyRuleSet("tipper");
	if( $fuzzyRuleSet == null ) {
		echo "<p>Can't get fuzzy rule set</p>";
	}
	else {
		echo "<p>Get fuzzy rule set succeed</p>";
	}
	
	$temp = $fuzzyRuleSet->toString();

	echo "<p>fuzzy rule set<br />" . $temp . "</p>";

?>

And the output is:

Load succeed

Get fuzzy rule set succeed

Fatal error: Uncaught [[o:Exception]:"java.lang.Exception: Invoke
failed: [[o:Request$PhpNull]]->toString. Cause:
java.lang.NullPointerException: call object is null, check the server
log file(s). VM: 1.5.0@http://www.ibm.com/" at: #-5
php.java.bridge.JavaBridge.Invoke(JavaBridge.java:1016) #-4
php.java.bridge.Request.handleRequest(Request.java:409) #-3
php.java.bridge.Request.handleRequests(Request.java:485) #0
C:\temp\Terry\xampp\htdocs\Thesis_Dexiong_Terry_Zhang\JavaBridge\java\Java.inc(259):
java_ThrowExceptionProxyFactory->getProxy(4, 'php.java.bridge...',
true) #1 C:\temp\Terry\xampp\htdocs\Thesis_Dexiong_Terry_Zhang\JavaBridge\java\Java.inc(411):
java_Arg->getResult(true) #2
C:\temp\Terry\xampp\htdocs\Thesis_Dexiong_Terry_Zhang\JavaBridge\java\Java.inc(417):
java_Client->getWrappedResult(true) #3
C:\temp\Terry\xampp\htdocs\Thesis_Dexiong_Terry_Zhang\JavaBridge\java\Java.inc(621):
java_Client->getResult() #4
C:\temp\Terry\xampp\htdocs\Thesis_Dexiong_Terry_Zhang\JavaBridge\java\Java.inc(1749):
java_Client->invokeMeth in
C:\temp\Terry\xampp\htdocs\Thesis_Dexiong_Terry_Zhang\JavaBridge\java\Java.inc
on line 222

According to the documentation, toString() is a legal method in the
FuzzyRuleSet class and the jFuzzyLogic toolkit is tested in java and
works fine. Does anyone know how come I get this error? Any help will
be appreciated. Thanks a lot!!!


Terry

Please see the INSTALL.STANDALONE for details how to invoke methods within a running Java process.


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You probably have an old JavaBridge.jar in the global classpath. Either in /usr/share/java or /usr/java/default/


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>  the protocol has been changed from version 4 to version 5:

Jost, we do not understand why our JavaBridge is appearing to be 4...
we copied the JavaBridge.jar file and we are running it like this:

java -Dphp.java.bridge.base=/opt/javabridge -jar
/opt/javabridge/JavaBridge.jar SERVLET:8080 6 javabridge_log &

On our server (Ubuntu Dapper) it works fine and  the log file
(javabridge_log) shows VMBridge version : 5.2.0, but on our dev box it
shows up as VMBridge version : 4.3.0, even though it is *exactly* the
same identical JavaBridge.jar file (extracted from JavaBridge.war
/WEB-INF/lib/). We double-checked to make sure it was the same file.
Any ideas what we are doing wrong?

Thanks!

Cheers,


Antonio

Hi,

I'm trying to get my php-java bridge working but without success. Php
communicates well with Java but my problem is that i can't access (more
precisely, don't know how to access) to a running object. How would I do to
get an instance of this object ? To be more clear, an application is lauched
with the java command. I want to access to some parameters to show them
using Php, while the application is still running, doing some other
treatment.

Thanks for your precious help
Thomas
-- 
#  !! brOl_oUilLe -->

Hi,

> 2. as for tomcat. any idea how would my php(apache)
> communicate with java(tomcat) 

please see the INSTALL.J2EE document for details.


IBM has a more detailed description at:

http://www.ibm.com/developerworks/aix/library/au-javaphpaix5/





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hi,
 thanks for the quick reply. 

1. i've seen some documents from the internet. there
seems to be success running the dll with php+apache.
Particulary this version of bridge
"php-java-bridge_3.2.1b_j2ee.zip", it seems that this
copy is nowhere to be found here. is it possible for
me to download the binary version of this ? 


2. as for tomcat. any idea how would my php(apache)
communicate with java(tomcat) ? would you recommend
running php+java/php bridge on a single tomcat? 


thanks!

--- php...@li... wrote:

> Hi,
> 
> >  i'm interested to run php/java to call ireport,
> 
> on windows you'll need Tomcat or some other servlet
> engine as a back end.
> 
> This is necessary because the windows version of gcc
> cannot compile the bridge
> to native code. 
> 
> 
> > no knowledge on java programming.
> 
> Just click on 
> 
>
http://ftp.halifax.rwth-aachen.de/apache/tomcat/tomcat-6/v6.0.16/bin/apache-tomcat-6.0.16.exe
> 
> and install tomcat as a windows service. 
> 
> Then copy JavaBridge.war to
> c:/program files/apache software
> foundation/tomcat/webapps/, wait a second until 
> c:/program files/apache software
> foundation/tomcat/webapps/JavaBridge/ appears and
> copy
> this directory over to your web server document
> root.
> 
> 
> Regards,
> Jost Boekemeier
> 
> 
> 
>       Heute schon einen Blick in die Zukunft von
> E-Mails wagen? www.yahoo.de/mail
> 
>
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> 2008.
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> php...@li...
>
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> 



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Hi,

the protocol has been changed from version 4 to version 5:

	case 'V':
	  if ($st['n']!='T') {
		if(JAVA_DEBUG) {echo "setresult VOID:"; echo "\n";}
		$arg->setVoidSignature();
	  }

Since version 5.0.0 the back end sends a flag which indicates that the result should be cached.


Please upgrade both, the back end and the front end.


Regards,
Jost Boekemeier



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> Old documentation states that the "java.so" C implementation was 10
> times faster than the "pure PHP" implementation of the PHP/Java
> Bridge.

As of PHP 5.1.4 this is no longer the case.


> Besides the fact that the pure PHP implementation is much easier to
> setup, is there a reason why the C implementation was deprecated,

The bottleneck are the java reflection calls, which is common to all JSR 223 script engines.
PHP 4 is no longer supported, so we were able to remove the old C bindings.


Regards,
Jost Boekemeier



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We got the PHP/Java Bridge 5.2.0 running fine on two boxes (one WinXP,
the other one Ubuntu Dapper) but on the third box we get this php
notice:

Notice: Undefined index: n in library/java/Java.inc on line 505

The bridge works fine but the notice is a bit annoying.

We are using exactly the same code. Any ideas?

Thanks!


Antonio

Just wondering...

Old documentation states that the "java.so" C implementation was 10
times faster than the "pure PHP" implementation of the PHP/Java
Bridge.

Besides the fact that the pure PHP implementation is much easier to
setup, is there a reason why the C implementation was deprecated,
considering it is 10 times faster? Or is that no longer the case?

Cheers,


Antonio

Hi,

>  i'm interested to run php/java to call ireport,

on windows you'll need Tomcat or some other servlet engine as a back end.

This is necessary because the windows version of gcc cannot compile the bridge
to native code. 


> no knowledge on java programming.

Just click on 

http://ftp.halifax.rwth-aachen.de/apache/tomcat/tomcat-6/v6.0.16/bin/apache-tomcat-6.0.16.exe

and install tomcat as a windows service. 

Then copy JavaBridge.war to
c:/program files/apache software foundation/tomcat/webapps/, wait a second until 
c:/program files/apache software foundation/tomcat/webapps/JavaBridge/ appears and copy
this directory over to your web server document root.


Regards,
Jost Boekemeier



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hi, 
 i'm using 
apache 
php 5.2
winxp sp2 
jdk 1.5.0_05-b05

 i'm interested to run php/java to call ireport,i have
no knowledge on java programming. i've downloaded
php-java-bridge_5.2.0_j2ee , but did not find any
java-x86-windows.dll. anyone knows where i can find
this extension so i can put it into my php extension?
i can only find php-4-java-x86-windows.dll which i
believe only runs for php4. 

thanks and regards  


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>  > I also tried with:
>  > $upload_id = (int)$upload_response->getUploadId();
>
>  $upload_id = (int)(string)$upload_response->getUploadId();
>
>  should work. Please ask the PHP developers why the extra (string) cast is necessary...

It works! Very easy to setup the new JavaBridge. Excellent work,
congratulations!

Cheers,


Antonio

Dear Mr. Boekemeier,

thanks a lot, I'll look at it...

Greetings,
Matthias