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

>From: php...@li...
>Reply-To: php...@li...
>To: php...@li...
>Subject: RE: [Php-java-bridge-users] Deploying Multiple PHP apps on 
>Apache/Tomcat
>Date: Fri, 31 Mar 2006 17:40:07 +0200 (CEST)
>
>Hi,
>
> > DocumentRoot /usr/opt/tomcat/webapps/xxyxyx
>
>isn't it possible to set the DocumentRoot to
>/usr/opt/tomcat/webapps so that the other apps become
>visible to the HTTP server? For example:

I tried this and when I do www.xxyxyx.com/MyPHPApp/index.php, and it can't 
find it.



>
>DocumentRoot "/usr/opt/tomcat/webapps"
><Directory "/usr/opt/tomcat/webapps/webapps">
>
>Another option would be to keep the tomcat webapps and
>the http server htdocs directory separate and to
>symlink the individual apps from
>/usr/opt/tomcat/webapps/appX to /var/www/html/appX.
>For example:
>

>ln -s /usr/opt/tomcat/webapps/app1 /var/www/html/
>ln -s /usr/opt/tomcat/webapps/app2 /var/www/html/
I couldn't get these to work either.

I did get it to work by adding the Alias to a different virtual host, which 
is ok for now becaue I use javascript to open another window.

   Alias / /usr/opt/tomcat/webapps/phpBB2/


Jim

>
>
>Regards,
>Jost Boekemeier
>
>
>
>
>
>
>
>___________________________________________________________
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>_______________________________________________
>php-java-bridge-users mailing list
>php...@li...
>https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users

Hi,

> DocumentRoot /usr/opt/tomcat/webapps/xxyxyx

isn't it possible to set the DocumentRoot to
/usr/opt/tomcat/webapps so that the other apps become
visible to the HTTP server? For example:

DocumentRoot "/usr/opt/tomcat/webapps"
<Directory "/usr/opt/tomcat/webapps/webapps">

Another option would be to keep the tomcat webapps and
the http server htdocs directory separate and to
symlink the individual apps from
/usr/opt/tomcat/webapps/appX to /var/www/html/appX.
For example:

ln -s /usr/opt/tomcat/webapps/app1 /var/www/html/
ln -s /usr/opt/tomcat/webapps/app2 /var/www/html/


Regards,
Jost Boekemeier



	

	
		
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I have this bridge up and running,

http://php-java-bridge.sourceforge.net/

My problem is I can only have it serve up PHP pages from one directory under 
TOMCAT(myPHPapp).  I want to be able to add other PHP apps in other 
directories I deploy to Tomcat.

My config is Apache 2.0.44/Tomcat 5.5 with the bridge.

In my HTTP.CONF I have the following Alias to point to the directory that 
has my PHP app,

<VirtualHost *:80>
   ServerAdmin pr...@xx...
   ServerAlias xxyxyx.org  *.xxyxyx.org
   DocumentRoot /usr/opt/tomcat/webapps/xxyxyx
   Alias / /usr/opt/tomcat/webapps/myPHPapp/
</VirtualHost>


Jim

Just a quick reply : I watch the Jasper sources and they are already=20
using the context classloader.
As said by Jost Boekemeier, this is an issue of PHP-Java bridge not=20
setting correctly the context classloader before 3.0.8 (see bug PR1449780=
)

regards,
chris

php...@li... wrote:
> Thanks for the tip : I did not know that javac (i.e the one in=20
> tools.jar) did not inherit the runtime classpath (but it seems logical=20
> because, for example, I do not want my compilation be influenced by my=20
> eclipse classpath).
>
> I used the solution previously provided (i.e set java.classpath in the=20
> php.ini) which seems to do the same thing (put the jars in the system=20
> class loader).
> I prefer to stay with this solution because it is clearly more simple=20
> than to hook the JasperReports sources or than to set a system=20
> property in an obscure part of the code (what I mean is that if other=20
> applications use PHP-Java-bridge, it is simpler for them to know that=20
> there already are some classes in the system classpath via php.ini).
>
> Anyway, I will fill a bug on JasperReports to say that it will be good=20
> to provide the necessarly used runtime jars to the javac compiler.
>
> Thanks to take time to think on my problem.
>
> Regards,
> chris
>
> php...@li... wrote:
>> php...@li... wrote:
>>> Just to say I digg into this problem all day and still find no=20
>>> solution.
>>> What I do not understand is why a thread does not inherit the=20
>>> classpath from the creating thread
>>
>> I guess that's not the problem. The problem is, that javac does not=20
>> inherit the classpath. i.e. just because the classes are available
>> to the compiler in it's runtime environment does not mean that he has=20
>> access to the class definitions. (i.e. class files) - nor that he know=
s
>> how to find them.
>>
>> I have done something similar once, and you definitely need to tell=20
>> javac explicitly where to find the classes it needs.
>> If they are in /jre/lib/ext he will look there anyway, but it's not=20
>> really a classloader problem - it's just that javac does not utilize
>> it's own classloader to look for classes - it uses the system=20
>> classpath, plus classpaths he has been explicitly told to use.
>>
>> Try System.setProperty to change the system classpath and try again,=20
>> I guess that will help.
>>
>> best regards,
>>
>>    Kai Londenberg
>>
>>
>>
>>
>>
>>
>> -------------------------------------------------------
>> This SF.Net email is sponsored by xPML, a groundbreaking scripting=20
>> language
>> that extends applications into web and mobile media. Attend the live=20
>> webcast
>> and join the prime developer group breaking into this new coding=20
>> territory!
>> http://sel.as-us.falkag.net/sel?cmd=3Dlnk&kid=3D110944&bid=3D241720&da=
t=3D121642
>> _______________________________________________
>> php-java-bridge-users mailing list
>> php...@li...
>> https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users
>>
>>
>>
>

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The information in this message sent by TENNAXIA is confidential and may =
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e it and notify
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taken in reliance on it, is prohibited and may be unlawful.

Thanks for the tip : I did not know that javac (i.e the one in=20
tools.jar) did not inherit the runtime classpath (but it seems logical=20
because, for example, I do not want my compilation be influenced by my=20
eclipse classpath).

I used the solution previously provided (i.e set java.classpath in the=20
php.ini) which seems to do the same thing (put the jars in the system=20
class loader).
I prefer to stay with this solution because it is clearly more simple=20
than to hook the JasperReports sources or than to set a system property=20
in an obscure part of the code (what I mean is that if other=20
applications use PHP-Java-bridge, it is simpler for them to know that=20
there already are some classes in the system classpath via php.ini).

Anyway, I will fill a bug on JasperReports to say that it will be good=20
to provide the necessarly used runtime jars to the javac compiler.

Thanks to take time to think on my problem.

Regards,
chris

php...@li... wrote:
> php...@li... wrote:
>> Just to say I digg into this problem all day and still find no solutio=
n.
>> What I do not understand is why a thread does not inherit the=20
>> classpath from the creating thread
>
> I guess that's not the problem. The problem is, that javac does not=20
> inherit the classpath. i.e. just because the classes are available
> to the compiler in it's runtime environment does not mean that he has=20
> access to the class definitions. (i.e. class files) - nor that he knows
> how to find them.
>
> I have done something similar once, and you definitely need to tell=20
> javac explicitly where to find the classes it needs.
> If they are in /jre/lib/ext he will look there anyway, but it's not=20
> really a classloader problem - it's just that javac does not utilize
> it's own classloader to look for classes - it uses the system=20
> classpath, plus classpaths he has been explicitly told to use.
>
> Try System.setProperty to change the system classpath and try again, I=20
> guess that will help.
>
> best regards,
>
>    Kai Londenberg
>
>
>
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by xPML, a groundbreaking scripting=20
> language
> that extends applications into web and mobile media. Attend the live=20
> webcast
> and join the prime developer group breaking into this new coding=20
> territory!
> http://sel.as-us.falkag.net/sel?cmd=3Dlnk&kid=3D110944&bid=3D241720&dat=
=3D121642
> _______________________________________________
> php-java-bridge-users mailing list
> php...@li...
> https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users
>
>
>

--=20
=20
_________________________________________________________________________=
______________
Tennaxia, www.tennaxia.com,
Pilotez vos obligations environnementales
_________________________________________________________________________=
______________
Si=E8ge social :
6, rue L=E9onard de Vinci - 53001 Laval Cedex -=20
T=E9l : 02 43 49 75 50 - Fax : 02 43 49 75 77
Agence Paris :
19, rue r=E9aumur - 75003 Paris -=20
T=E9l : 01 42 77 04 19 - Fax : 08 25 19 19 61
Agence Lyon :
Parc du Chater - 63 rue de la garenne - 69340 FRANCHEVILLE -=20
T=E9l : 04 72 39 98 14 - Fax : 04 72 39 93 85
Les informations contenues dans ce message envoy=E9es par TENNAXIA sont c=
onfidentielles et
sont =E9tablies =E0 l'attention exclusive de leurs destinataires. L'acc=E8=
s =E0 ce message
par toute autre personne n'est pas autoris=E9. Si vous n'=EAtes pas le de=
stinataire de ce
message, merci de le d=E9truire et d'en avertir l'exp=E9diteur : toute al=
t=E9ration, copie,
distribution ou toute action prise ou omise sont interdites et peuvent =EA=
tre ill=E9gales.
The information in this message sent by TENNAXIA is confidential and may =
be legally
privileged. It is intended solely for the addressee(s). Access to this me=
ssage by anyone
else is unauthorized. If you are not the intended recipient, please delet=
e it and notify
the sender : any disclosure, copying, distribution or any action taken or=
 omitted to be
taken in reliance on it, is prohibited and may be unlawful.

Hi,

I'm trying to setup the PHP/Java bridge using PHP 5.1.2 with Apache 2.2.0 on Fedora 5.  Sadly, I'm getting this error (see below.) What have I done?  Is there a version mismatch?

Please help. Thank you.

- Mark


echo "<?php phpinfo()?>" | php | fgrep "java status"
PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/modules/java.so' - /usr/lib/php/modules/java.so: undefined symbol: _zval_dtor in Unknown on line 0 PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/modules/java.so' - /usr/lib/php/modules/java.so: undefined symbol: _zval_dtor in Unknown on line 0

php...@li... wrote:
> Just to say I digg into this problem all day and still find no solution.
> What I do not understand is why a thread does not inherit the 
> classpath from the creating thread

I guess that's not the problem. The problem is, that javac does not 
inherit the classpath. i.e. just because the classes are available
to the compiler in it's runtime environment does not mean that he has 
access to the class definitions. (i.e. class files) - nor that he knows
how to find them.

I have done something similar once, and you definitely need to tell 
javac explicitly where to find the classes it needs.
If they are in /jre/lib/ext he will look there anyway, but it's not 
really a classloader problem - it's just that javac does not utilize
it's own classloader to look for classes - it uses the system classpath, 
plus classpaths he has been explicitly told to use.

Try System.setProperty to change the system classpath and try again, I 
guess that will help.

best regards,

    Kai Londenberg

Hi,

> Why can not I specify a directory instead of the 
> jars ?

In some JVM (most java VM but not Mono) you can use
e.g.:

java -Djava.ext.dirs=/dir1:/dir2 -jar JavaBridge.jar 

But you cannot set this option in the php.ini file.
However, on windows the following could be used:

[java]
java.java="javaw -Djava.ext.dirs=..."


On Unix you could use a .sh wrapper, for example:

[java]
java.wrapper=/home/jostb/bin/startBackend.sh

And the startBackend.sh script could look like:
 #!/bin/sh

 java=$1; shift
 addOptions="-Djava.ext.dirs=..."
 exec $java $addOptions $*



Regards,
Jost Boekemeier



	

	
		
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Hi,

> $ar=array(1, 2, 3);
> $v=new java("java.util.Vector", $ar);
> outputs: [o(String):"[2, 1, 3]"]

I've just commited a fix into the cvs head.

The collection is now backed by a TreeMap unless you
use something like this: array(1,2,"foo"=>3). The new
code should be a little bit faster, too.

Please see the ChangeLog, tests/sendArray.php.

Thank you very much for this bug report!


Regards,
Jost Boekemeier





	

	
		
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Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de

Hello,
I don't know if this is a proper behavior, but:
$ar=array(1, 2, 3);
$v=new java("java.util.Vector", $ar);
echo $v->toString();

outputs: [o(String):"[2, 1, 3]"]

As you see values of vector are not ordered as in input array.

Best regards,
ML

 

Hi,

> Moving my jars into jre/lib/ext is not an option
> because you must be 
> root to do that (and I am not).

In a restricted environment I think it is best to use
the servlet/j2ee backend. You can deploy your
JavaBridge.war application without having admin
privileges and you can store all the java libraries
you need into your JavaBridge.war.

> Hardcoding the java.classpath in the php.ini is
> maybe possible thanks to 
> a .htaccess so this is ok, I will watch for this
> today.

All java options except java.log_level are INI_SYSTEM,
that means only the administrator can set them.


> Is the
> "*Thread*.currentThread().getContextClassLoader()"

Yes. But in earlier versions of the JavaBridge the
context classloader has had the wrong parent, this was
fixed in 3.0.7a. But I don't think this bug is
responsible for the current problem.


Regards,
Jost Boekemeier

Hi,

> phpize
> ./configure --prefix=/opt/php5.1
> --with-java=/opt/jdk1.5 
> --with-php-config=/opt/php5.1/bin/php-config 
>
--enable-servlet==/opt/tomcat5.58/common/lib/servlet-api.jar

You can just type:

 phpize && ./configure --with-java=/opt/jdk1.5 && make

and then copy the modules/JavaBridge.war to

 cp modules/JavaBridge.war /opt/tomcat5.58/webapps

re-start tomcat and browse to:

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

Or just download the J2EE binary
(http://prdownloads.sourceforge.net/php-java-bridge/php-java-bridge_3.0.7a_j2ee.zip?download),
which already contains a pre-compiled JavaBridge.war
for Solaris, Linux and Windows.


> Al ejecutar
> http://localhost:8080/JavaBridge/test.php, se supera
> el tiempo 
> de respuesta y no aparece nada.

Does /opt/tomcat5.58/webapps/JavaBridge exist?  Which
error message do you see in the tomcat log file?


Regards,
Jost Boekemeier

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Hi,

just a maybe-silly question concerning setting the java.classpath in the=20
php.ini :
    Why can not I specify a directory instead of the jars ?

I ask because I have 12 jars to set in the cp, so this is bad to=20
maintains their hard-coded names in the php.ini

ex :
$> ls /home/christophe/workspace/www2/libraries/java/lib/
commons-beanutils-1.5.jar    commons-logging-api-1.0.2.jar =20
jcommon-1.0.0.jar     xalan.jar
commons-collections-2.1.jar  CVS                           =20
jfreechart-1.0.1.jar
commons-digester-1.7.jar     itext-1.3.1.jar                jxl.jar
commons-logging-1.0.2.jar    jasperreports-1.2.0.jar        poi-2.0.jar

$> cat /etc/php5/conf.d/java.ini
[java]
extension=3Djava.so
java.java=3D/usr/java/jdk/bin/java
java.java_home=3D/usr/java/jdk
java.log_level=3D4
java.log_file=3D/var/log/php-java-bridge.log
java.classpath=3D/usr/lib/php5/extensions/JavaBridge.jar:/home/christophe=
/workspace/www2/libraries/java/lib

report.php
*Fatal error*: Uncaught [class java.lang.Exception: java.lang.Exception:=20
CreateInstance failed: new Report. Cause:=20
java.lang.NoClassDefFoundError:=20
net/sf/jasperreports/engine/export/JRPdfExporter] thrown in=20
*/home/christophe/workspace/www2/report.php* on line *XXX

*with the class being defined in*=20
*/home/christophe/workspace/www2/libraries/java/lib/jasperreports-1.2.0.j=
ar

regards,
chris*
*
php...@li... wrote:
> Hi,
>
>  =20
>> Just to say I digg into this problem all day and
>> still find no solution.
>>    =20
>
> Sorry for that. I assumed that this wasn't an
> important issue, you've said that it works if you move
> the jars to jre/lib/ext.
>
>
>  =20
>> What I do not understand is why a thread does not
>> inherit the classpath=20
>> from the creating thread ?
>>    =20
>
> JSP is a good example. The container doesn't want to
> make the jsp classloader available to the webapp, so
> it sets the thread context classloader to the parent
> of the current classloader.
>
> I don't know if and how your reporting engine handles
> this, but in general applications may choose to ignore
> our dynamic loader and load classes or create dynamic
> proxies via the system classloader. If this happens,
> the loaded classes or defined proxies cannot access
> classes loaded via the dynamic loader.
>
> So I think the best workaround is to install your
> libraries in $JAVA_HOME/jre/lib/ext or to hard-code
> the java.classpath in the php.ini file, for example:
>
> java.classpath=3D/path/to/JavaBridge.jar:/path/to/lib1.jar:...
>
> I have created a ticket for this problem, please see
> PR1449780 for details
> (http://sourceforge.net/tracker/index.php?func=3Ddetail&aid=3D1449780&g=
roup_id=3D117793&atid=3D679233)
>
>
> Thank you very much for this bug report!
>
>
> Regards,
> Jost Boekemeier
>
>
>
>
>
>
>
>
> =09
>
> =09
> 	=09
> ___________________________________________________________=20
> Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by xPML, a groundbreaking scripting lang=
uage
> that extends applications into web and mobile media. Attend the live we=
bcast
> and join the prime developer group breaking into this new coding territ=
ory!
> http://sel.as-us.falkag.net/sel?cmd=3Dlnk&kid=3D110944&bid=3D241720&dat=
=3D121642
> _______________________________________________
> php-java-bridge-users mailing list
> php...@li...
> https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users
>
>
>
>  =20

--=20
=20
_________________________________________________________________________=
______________
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Pilotez vos obligations environnementales
_________________________________________________________________________=
______________
Si=E8ge social :
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T=E9l : 02 43 49 75 50 - Fax : 02 43 49 75 77
Agence Paris :
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T=E9l : 01 42 77 04 19 - Fax : 08 25 19 19 61
Agence Lyon :
Parc du Chater - 63 rue de la garenne - 69340 FRANCHEVILLE -=20
T=E9l : 04 72 39 98 14 - Fax : 04 72 39 93 85
Les informations contenues dans ce message envoy=E9es par TENNAXIA sont c=
onfidentielles et
sont =E9tablies =E0 l'attention exclusive de leurs destinataires. L'acc=E8=
s =E0 ce message
par toute autre personne n'est pas autoris=E9. Si vous n'=EAtes pas le de=
stinataire de ce
message, merci de le d=E9truire et d'en avertir l'exp=E9diteur : toute al=
t=E9ration, copie,
distribution ou toute action prise ou omise sont interdites et peuvent =EA=
tre ill=E9gales.
The information in this message sent by TENNAXIA is confidential and may =
be legally
privileged. It is intended solely for the addressee(s). Access to this me=
ssage by anyone
else is unauthorized. If you are not the intended recipient, please delet=
e it and notify
the sender : any disclosure, copying, distribution or any action taken or=
 omitted to be
taken in reliance on it, is prohibited and may be unlawful.

Hi,

thanks for the detailed answer, I better understand my problem now.

Moving my jars into jre/lib/ext is not an option because you must be=20
root to do that (and I am not).
Hardcoding the java.classpath in the php.ini is maybe possible thanks to=20
a .htaccess so this is ok, I will watch for this today.

Concerning the isssue, here is a snippet from my report engine code in=20
order to provide more details:
this is the call to the compiler :

JRClassLoader.loadClassForName("org.eclipse.jdt.internal.compiler.Compile=
r");

Here is the JRClassLoader called method :

**
	*public* static *Class* loadClassForName(*String* className) *throws* *C=
lassNotFoundException*
	{
		*Class* clazz =3D *null*;

		*ClassLoader* classLoader =3D *Thread*.currentThread().getContextClassL=
oader();
		*if* (classLoader !=3D *null*)
		{
			*try*
			{
				clazz =3D *Class*.forName(className, *true*, classLoader);
			}
			*catch* (*ClassNotFoundException* e)
			{
				///if (log.isWarnEnabled())/
				///	log.warn("Failure using Thread.currentThread().getContextClassLoa=
der() in JRClassLoader class. Using JRClassLoader.class.getClassLoader() =
instead.");/
			}
		}

		*if* (clazz =3D=3D *null*)
		{
			classLoader =3D JRClassLoader.class.getClassLoader();
			*if* (classLoader =3D=3D *null*)
			{
				clazz =3D *Class*.forName(className);
			}
			*else*
			{
				clazz =3D *Class*.forName(className, *true*, classLoader);
			}
		}

		*return* clazz;
	}

Is the "*Thread*.currentThread().getContextClassLoader()" not the good me=
thod to obtain PHP-Java-bridge class loader ?

Again, thanks for the answer,

best regards,
chris


php...@li... wrote:
> Hi,
>
>  =20
>> Just to say I digg into this problem all day and
>> still find no solution.
>>    =20
>
> Sorry for that. I assumed that this wasn't an
> important issue, you've said that it works if you move
> the jars to jre/lib/ext.
>
>
>  =20
>> What I do not understand is why a thread does not
>> inherit the classpath=20
>> from the creating thread ?
>>    =20
>
> JSP is a good example. The container doesn't want to
> make the jsp classloader available to the webapp, so
> it sets the thread context classloader to the parent
> of the current classloader.
>
> I don't know if and how your reporting engine handles
> this, but in general applications may choose to ignore
> our dynamic loader and load classes or create dynamic
> proxies via the system classloader. If this happens,
> the loaded classes or defined proxies cannot access
> classes loaded via the dynamic loader.
>
> So I think the best workaround is to install your
> libraries in $JAVA_HOME/jre/lib/ext or to hard-code
> the java.classpath in the php.ini file, for example:
>
> java.classpath=3D/path/to/JavaBridge.jar:/path/to/lib1.jar:...
>
> I have created a ticket for this problem, please see
> PR1449780 for details
> (http://sourceforge.net/tracker/index.php?func=3Ddetail&aid=3D1449780&g=
roup_id=3D117793&atid=3D679233)
>
>
> Thank you very much for this bug report!
>
>
> Regards,
> Jost Boekemeier
>
>
>
>
>
>
>
>
> =09
>
> =09
> 	=09
> ___________________________________________________________=20
> Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by xPML, a groundbreaking scripting lang=
uage
> that extends applications into web and mobile media. Attend the live we=
bcast
> and join the prime developer group breaking into this new coding territ=
ory!
> http://sel.as-us.falkag.net/sel?cmd=3Dlnk&kid=3D110944&bid=3D241720&dat=
=3D121642
> _______________________________________________
> php-java-bridge-users mailing list
> php...@li...
> https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users
>
>
>
>  =20

--=20
=20
_________________________________________________________________________=
______________
Tennaxia, www.tennaxia.com,
Pilotez vos obligations environnementales
_________________________________________________________________________=
______________
Si=E8ge social :
6, rue L=E9onard de Vinci - 53001 Laval Cedex -=20
T=E9l : 02 43 49 75 50 - Fax : 02 43 49 75 77
Agence Paris :
19, rue r=E9aumur - 75003 Paris -=20
T=E9l : 01 42 77 04 19 - Fax : 08 25 19 19 61
Agence Lyon :
Parc du Chater - 63 rue de la garenne - 69340 FRANCHEVILLE -=20
T=E9l : 04 72 39 98 14 - Fax : 04 72 39 93 85
Les informations contenues dans ce message envoy=E9es par TENNAXIA sont c=
onfidentielles et
sont =E9tablies =E0 l'attention exclusive de leurs destinataires. L'acc=E8=
s =E0 ce message
par toute autre personne n'est pas autoris=E9. Si vous n'=EAtes pas le de=
stinataire de ce
message, merci de le d=E9truire et d'en avertir l'exp=E9diteur : toute al=
t=E9ration, copie,
distribution ou toute action prise ou omise sont interdites et peuvent =EA=
tre ill=E9gales.
The information in this message sent by TENNAXIA is confidential and may =
be legally
privileged. It is intended solely for the addressee(s). Access to this me=
ssage by anyone
else is unauthorized. If you are not the intended recipient, please delet=
e it and notify
the sender : any disclosure, copying, distribution or any action taken or=
 omitted to be
taken in reliance on it, is prohibited and may be unlawful.

Hi,

> Just to say I digg into this problem all day and
> still find no solution.

Sorry for that. I assumed that this wasn't an
important issue, you've said that it works if you move
the jars to jre/lib/ext.


> What I do not understand is why a thread does not
> inherit the classpath 
> from the creating thread ?

JSP is a good example. The container doesn't want to
make the jsp classloader available to the webapp, so
it sets the thread context classloader to the parent
of the current classloader.

I don't know if and how your reporting engine handles
this, but in general applications may choose to ignore
our dynamic loader and load classes or create dynamic
proxies via the system classloader. If this happens,
the loaded classes or defined proxies cannot access
classes loaded via the dynamic loader.

So I think the best workaround is to install your
libraries in $JAVA_HOME/jre/lib/ext or to hard-code
the java.classpath in the php.ini file, for example:

java.classpath=/path/to/JavaBridge.jar:/path/to/lib1.jar:...

I have created a ticket for this problem, please see
PR1449780 for details
(http://sourceforge.net/tracker/index.php?func=detail&aid=1449780&group_id=117793&atid=679233)


Thank you very much for this bug report!


Regards,
Jost Boekemeier








	

	
		
___________________________________________________________ 
Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de

Just to say I digg into this problem all day and still find no solution.
What I do not understand is why a thread does not inherit the classpath=20
from the creating thread ?

or maybe the thread is not the problem (if so, please correct me because=20
I am really new to Java threads and javac called from a .java)

regards,
chris

php...@li... wrote:
> Hi,
>
> I am using PHP-Java-bridge like this :
> Report.java : is a java file containning a wrapper to JasperReports=20
> notaly the following imports and method :
> import net.sf.jasperreports.engine.*;
> [...]
>    public void setSubReport(String name, String compressed_xml) throws=20
> JRException {
>            InputStream stream =3D this.readCompressedXml(compressed_xml=
);
>            //compile into a JasperReport object
>            JasperReport jasperReport =3D=20
> JasperCompileManager.compileReport(stream);
>            //add to subreports map
>            _subreports.put(name, jasperReport);
>    }
>
> Now in php, I use Report.php :
> $p =3D $GLOBALS['CONF']['SYS']['INCLUDE_PATH']['libraries'].'java/lib/'=
;
> $javapath =3D=20
> $p.'commons-beanutils-1.5.jar;'.$p.'commons-collections-2.1.jar;'.
>           =20
> $p.'commons-digester-1.7.jar;'.$p.'commons-logging-1.0.2.jar;'.
>            $p.'commons-logging-api-1.0.2.jar;'.$p.'itext-1.3.1.jar;'.
>            $p.'jasperreports-1.2.0.jar;'.$p.'jcommon-1.0.0.jar;'.
>           =20
> $p.'jfreechart-1.0.1.jar;'.$p.'poi-2.0.jar;'.$p.'xalan.jar;'.$p.'../rep=
ort/Report.jar';=20
>
> java_set_library_path($javapath);
> try {
>    $r =3D new Java('Report');
>    $r->setSubReport($name, $row['sr_compressed_xml']);
> } catch (JavaException $ex) {
>    $trace =3D new java("java.io.ByteArrayOutputStream");
>    $ex->printStackTrace(new java("java.io.PrintStream", $trace));
>    die("<pre>java stack trace: $trace</pre>");
> }
>
> So now, this print the following error (snippet) :
> Package not found : net.sf.jaspereports.engine line XX in=20
> master12345.java
> (Note: the line JasperCompileManager.compileReport(stream); is the=20
> bottom of the stacktrace).
>
> This means that my Java class perfectly imports the package (because=20
> it can call the JasperCompileManager.compile method) but the java=20
> classes generated on the fly by Jasper (here named master12345) cannot=20
> use the jars set in the javapath.
>
> I digg into the source code and see that a new thread is opened for=20
> the compilation : maybe this is the problem (related to the class=20
> loader in php-java-bridge I think ?).
> Plus, putting the jars into jdk/jre/lib/ext works, so this prove that=20
> it should be a problem with the class loader.
> Note that doing this (jars in lib/ext) is not really an option for a=20
> production environment...
>
> I hope you can help me to find a workaround for my situation;
>
> best regards and keep on the good work,
> chris
>

--=20
=20
_________________________________________________________________________=
______________
Tennaxia, www.tennaxia.com,
Pilotez vos obligations environnementales
_________________________________________________________________________=
______________
Si=E8ge social :
6, rue L=E9onard de Vinci - 53001 Laval Cedex -=20
T=E9l : 02 43 49 75 50 - Fax : 02 43 49 75 77
Agence Paris :
19, rue r=E9aumur - 75003 Paris -=20
T=E9l : 01 42 77 04 19 - Fax : 08 25 19 19 61
Agence Lyon :
Parc du Chater - 63 rue de la garenne - 69340 FRANCHEVILLE -=20
T=E9l : 04 72 39 98 14 - Fax : 04 72 39 93 85
Les informations contenues dans ce message envoy=E9es par TENNAXIA sont c=
onfidentielles et
sont =E9tablies =E0 l'attention exclusive de leurs destinataires. L'acc=E8=
s =E0 ce message
par toute autre personne n'est pas autoris=E9. Si vous n'=EAtes pas le de=
stinataire de ce
message, merci de le d=E9truire et d'en avertir l'exp=E9diteur : toute al=
t=E9ration, copie,
distribution ou toute action prise ou omise sont interdites et peuvent =EA=
tre ill=E9gales.
The information in this message sent by TENNAXIA is confidential and may =
be legally
privileged. It is intended solely for the addressee(s). Access to this me=
ssage by anyone
else is unauthorized. If you are not the intended recipient, please delet=
e it and notify
the sender : any disclosure, copying, distribution or any action taken or=
 omitted to be
taken in reliance on it, is prohibited and may be unlawful.

Hi,

I am using PHP-Java-bridge like this :
Report.java : is a java file containning a wrapper to JasperReports=20
notaly the following imports and method :
import net.sf.jasperreports.engine.*;
[...]
    public void setSubReport(String name, String compressed_xml) throws=20
JRException {
            InputStream stream =3D this.readCompressedXml(compressed_xml)=
;
            //compile into a JasperReport object
            JasperReport jasperReport =3D=20
JasperCompileManager.compileReport(stream);
            //add to subreports map
            _subreports.put(name, jasperReport);
    }

Now in php, I use Report.php :
$p =3D $GLOBALS['CONF']['SYS']['INCLUDE_PATH']['libraries'].'java/lib/';
$javapath =3D=20
$p.'commons-beanutils-1.5.jar;'.$p.'commons-collections-2.1.jar;'.
            $p.'commons-digester-1.7.jar;'.$p.'commons-logging-1.0.2.jar;=
'.
            $p.'commons-logging-api-1.0.2.jar;'.$p.'itext-1.3.1.jar;'.
            $p.'jasperreports-1.2.0.jar;'.$p.'jcommon-1.0.0.jar;'.
           =20
$p.'jfreechart-1.0.1.jar;'.$p.'poi-2.0.jar;'.$p.'xalan.jar;'.$p.'../repor=
t/Report.jar';
java_set_library_path($javapath);
try {
    $r =3D new Java('Report');
    $r->setSubReport($name, $row['sr_compressed_xml']);
} catch (JavaException $ex) {
    $trace =3D new java("java.io.ByteArrayOutputStream");
    $ex->printStackTrace(new java("java.io.PrintStream", $trace));
    die("<pre>java stack trace: $trace</pre>");
}

So now, this print the following error (snippet) :
Package not found : net.sf.jaspereports.engine line XX in master12345.jav=
a
(Note: the line JasperCompileManager.compileReport(stream); is the=20
bottom of the stacktrace).

This means that my Java class perfectly imports the package (because it=20
can call the JasperCompileManager.compile method) but the java classes=20
generated on the fly by Jasper (here named master12345) cannot use the=20
jars set in the javapath.

I digg into the source code and see that a new thread is opened for the=20
compilation : maybe this is the problem (related to the class loader in=20
php-java-bridge I think ?).
Plus, putting the jars into jdk/jre/lib/ext works, so this prove that it=20
should be a problem with the class loader.
Note that doing this (jars in lib/ext) is not really an option for a=20
production environment...

I hope you can help me to find a workaround for my situation;

best regards and keep on the good work,
chris

--=20
=20
_________________________________________________________________________=
______________
Tennaxia, www.tennaxia.com,
Pilotez vos obligations environnementales
_________________________________________________________________________=
______________
Si=E8ge social :
6, rue L=E9onard de Vinci - 53001 Laval Cedex -=20
T=E9l : 02 43 49 75 50 - Fax : 02 43 49 75 77
Agence Paris :
19, rue r=E9aumur - 75003 Paris -=20
T=E9l : 01 42 77 04 19 - Fax : 08 25 19 19 61
Agence Lyon :
Parc du Chater - 63 rue de la garenne - 69340 FRANCHEVILLE -=20
T=E9l : 04 72 39 98 14 - Fax : 04 72 39 93 85
Les informations contenues dans ce message envoy=E9es par TENNAXIA sont c=
onfidentielles et
sont =E9tablies =E0 l'attention exclusive de leurs destinataires. L'acc=E8=
s =E0 ce message
par toute autre personne n'est pas autoris=E9. Si vous n'=EAtes pas le de=
stinataire de ce
message, merci de le d=E9truire et d'en avertir l'exp=E9diteur : toute al=
t=E9ration, copie,
distribution ou toute action prise ou omise sont interdites et peuvent =EA=
tre ill=E9gales.
The information in this message sent by TENNAXIA is confidential and may =
be legally
privileged. It is intended solely for the addressee(s). Access to this me=
ssage by anyone
else is unauthorized. If you are not the intended recipient, please delet=
e it and notify
the sender : any disclosure, copying, distribution or any action taken or=
 omitted to be
taken in reliance on it, is prohibited and may be unlawful.

Hi,

>       java.lang.Exception: Invoke failed:
>
[o(ApiOrganizationHome)]->findOrganization((IOrganizationWhere)o(ApiOrganizationWhere)).
> Cause: Failed reading response from the server.
>   Nested exception is:
>         java.lang.OutOfMemoryError: Java heap space

I think, the OutOfMemoryError happened in the EJB
business logic, not in the JVM running the bridge
backend. I assume the findOrganization is a EJB finder
method?

I haven't had OOM errors in the bridge backend for
some time now, but if I remember correctly the bridge
reports an OOM in its VM via:

JavaBridge ERROR: OutOfMemoryError

After that all clients should abort immediately
because the backend closes all connections to recover
from this. The above formatted error string ("Invoke
failed") makes me believe that it's not the bridge
backend that reported the OOM, but the component to
which the backend is connected, an EJB container
probably(?).

Can you please open a problem report (please use
http://sourceforge.net/tracker/?func=add&group_id=117793&atid=679233)
 and attach the exception message from the
JavaBridge.log (on RHEL the log file is
/var/log/php-java-bridge.log) there?

We'll look at this asap.


Regards,
Jost Boekemeier



	

	
		
___________________________________________________________ 
Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de

Hi,

thank you very much for this bug report. As a
workaround please move the jar file (which references
or contains the native library) to
$JAVA_HOME/jre/lib/ext and re-start the backend. 


> When the php page is loaded, everything is OK. But
> when i refresh the page,
> it shows the error as below
> Native Library /usr/lib/libsfount_api.so already
> loaded in another
> classloader"] 

that's an interesting problem. At the moment the
dynamic loader can only load pure java libraries.
When GNU java is used (gcc/gcj), it can also load
native libraries.

The SUN java VM cannot load a native library twice. I
think this means that we must lock the classloader,
when we're asked to load a dynamic library. The loader
will remain locked and all further classes and
libraries will be loaded via this loader until
finalization.

I will check this for version 3.0.8, please see PR
1447360
(http://sourceforge.net/tracker/index.php?func=detail&aid=1447360&group_id=117793&atid=679233)

Until then please use the above workaround.


Regards,
Jost Boekemeier


	

	
		
___________________________________________________________ 
Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de

Hello all,

I've been building an application that provides a front end for a HP
product called service desk.  WE had this error last night,

      java.lang.Exception: Invoke failed:
[o(ApiOrganizationHome)]->findOrganization((IOrganizationWhere)o(ApiOrganiz=
ationWhere)).
Cause: Failed reading response from the server.
  Nested exception is:
        java.lang.OutOfMemoryError: Java heap space

I'm running the JVM as a service.

As far as I understand it, all java objects should be gabage collected
after a script finishes (no more references).  But I've been seeing
the resident memory usage of the Java service gradually increase as
the requests go in, and it doesn't go back down.

Anybody got any pointers or help they can give?

Thanks,

Paul.

Hello!

I seem to have the PHP Java Bridge (php-java-bridge_3.0.7a) working with PH=
P
5.1.2 on my CentOS server with Apache 2.0.53. I think all configuration is
OK, but it still has some problem at run-time.

When the php page is loaded, everything is OK. But when i refresh the page,
it shows the error as below

*Fatal error*: Uncaught [o(Exception):"java.lang.Exception: CreateInstance
failed: new StreamFountJava.SFountAPI. Cause: java.lang.UnsatisfiedLinkErro=
r:
Native Library /usr/lib/libsfount_api.so already loaded in another
classloader"] thrown in */home/mbos/php_java.php* on line *10*

StreamFountJava.SFountAPI is a java package. I have made the
StreamFountJava/SFountAPI.class as *.jar and stored it under
/usr/share/java/. Also the *.jar is in my java_require() path.
libsfount_api.so is the dynamic link libraries for the java to invoke.
It has been loaded by System.loadLibrary() in the SFountAPI.class.

This is the php-java-bridge.log:
Mar 10 16:09:22 JavaBridge ERROR: Exception occured
java.lang.UnsatisfiedLinkError: Native Library /usr/lib/libsfount_api.so
already loaded in another classloader
        at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1551)
        at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1482)
        at java.lang.Runtime.load0(Runtime.java:737)
        at java.lang.System.load( System.java:811)
        at StreamFountJava.SFountAPI.<clinit>(SFountAPI.java:24)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance (
NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(
DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java :274)
        at php.java.bridge.JavaBridge.CreateObject(JavaBridge.java:515)
        at php.java.bridge.Request.handleRequest(Request.java:406)
        at php.java.bridge.Request.handleRequests(Request.java:425)
        at php.java.bridge.JavaBridge.run(JavaBridge.java:207)
        at php.java.bridge.ThreadPool$Delegate.run(ThreadPool.java:29)

Why every time i refresh my page, the Fatal error will be shown? How can i
release my dynamic link libraries from the classloader or avoid the error?
I also try to use java_reset() at the top of my php page, but it seems that
it doesn't work.

I'm sorry for my poor english, because english is not my native language.
But trust me, I'm trying my best. Please help me anyway!

Best regards to you!
Thank you!

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Ok, thank you very much for the help.

php...@li... escribi=F3:
> Hi,
>=20
>> I must to kill all the
>> instances of java bridge
>> because if i restart Apache don't restart
>> php-java-bridge.=20
>=20
> I think this depends on how you restart apache. When
> you use apachectl restart or service httpd restart,
> apache runs the registered php shutdown procedures
> ("MSHUTDOWN()"), which will shut down the associated
> java backend.
>=20
> If that fails, it may indicate that apache is not able
> to shutdown properly. Doing an=20
>=20
> strace -s1024 /usr/sbin/httpd -X 2>/tmp/apache.log &=20
> kill -1 <apache-pid>
>=20
> should give some insight.
>=20
>=20
> Regards,
> Jost Boekemeier
>=20
>=20
> =09
>=20
> =09
> 	=09
> ___________________________________________________________=20
> Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de
>=20
>=20
> -------------------------------------------------------
> This SF.Net email is sponsored by xPML, a groundbreaking scripting lang=
uage
> that extends applications into web and mobile media. Attend the live we=
bcast
> and join the prime developer group breaking into this new coding territ=
ory!
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>=20


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Hi,

> I must to kill all the
> instances of java bridge
> because if i restart Apache don't restart
> php-java-bridge. 

I think this depends on how you restart apache. When
you use apachectl restart or service httpd restart,
apache runs the registered php shutdown procedures
("MSHUTDOWN()"), which will shut down the associated
java backend.

If that fails, it may indicate that apache is not able
to shutdown properly. Doing an 

strace -s1024 /usr/sbin/httpd -X 2>/tmp/apache.log & 
kill -1 <apache-pid>

should give some insight.


Regards,
Jost Boekemeier


	

	
		
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I solve the problem. I must to kill all the instances of java bridge
because if i restart Apache don't restart php-java-bridge. When i kill
all and restart apache load the new libraries.

Thank you for the solutions and sorry for the problems.

Best Regards,


php...@li... escribi=F3:
> Hi Mario,
>=20
>> php.java.bridge.JavaBridgeClassLoader.<init>(JavaBridgeClassLoader.jav=
a:16)
>> I have the same version of frontend and backend:
>> Frontend (phpinfo) -> java bridge 	3.0.7a
>> Backend (global.properties) -> BACKEND_VERSION =3D
>> 3.0.7a
>=20
> then we must find the reason why old classes of
> JavaBridge and JavaBridgeClassLoader are used and
> print a stack trace.
>=20
> Can you please open a ticket (please use
> http://sourceforge.net/tracker/?func=3Dadd&group_id=3D117793&atid=3D679=
233)
> and append the following information there:
>=20
> * Please set the java.log_level to 4 and set
> java.log_file to /tmp/bridge.log and re-start the http
> server (usually with apachectl restart). Please attach
> the complete bridge.log at the end of the ticket.
>=20
> * Please type php test.php4 >result.html and attach
> the result.html at the end of the ticket. (the
> test.php4 is  in the source download or in the
> php-java-bridge-3.0.7-1.i386.RHEL.rpm
>=20
>=20
> Thank you very much for the bug report.
>=20
>=20
> Regards,
> Jost Boekemeier
>=20
>=20
>=20
> =09
>=20
> =09
> 	=09
> ___________________________________________________________=20
> Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de
>=20
>=20
> -------------------------------------------------------
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> php...@li...
> https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users
>=20


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recibido este mensaje por error, le rogamos que nos lo comunique
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mensaje no consintiera la utilizaci=F3n del correo electr=F3nico v=EDa
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