Thread: [Php-java-bridge-users] Problems accessing classes in JAR file

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php-java-bridge-users

[Php-java-bridge-users] Problems accessing classes in JAR file

From: <php...@li...> - 2010-06-14 09:57:15

I've never done any Java programming before, so I may be missing 
something fairly obvious here.

I want to use the Saxon java classes to process XML 2.0 Xpaths via PHP.

So I've done:

     java_require(SAXON_DIR."saxon9he.jar");

(where SAXON_DIR is predefined). I then find that I can directly access 
the Saxon classes via PHP , such as:

    $config = new java("net.sf.saxon.Configuration");

So all OK so far!

However, for efficiency reason I don't want to make multiple PHP calls 
to java to do the Xpath processing. So I want to create my own java 
class which does all the necessary Saxon processing and can be accessed 
with one PHP call.

I've created this class, built a JAR file (SaxonXPath.jar) and verified 
that it works via a standalone java program, run as:

       java -cp .:SaxonXPath.jar:saxon9he.jar TestProg

So I now want to run this via PHP/java-bridge and have done:

             java_require(SAXON_DIR."saxon9he.jar");
             java_require(SAXON_DIR."SaxonXPath.jar");

I put these into a catch/try block, so I have verified that they are 
successfully loaded. However, when I try and instantiate my class in 
"SaxonXPath.jar" I get the error:

     java.lang.ClassNotFoundException: Could not find 
com.legatio.xml.SaxonXPath in java_require() path. Please check the path 
and the SEL and File permissions.

I can still access the "saxon9he.jar" classes directly and I've 
double-checked that I'm using the correct path to my own class.

I tried setting "[java]" "java.classpath" in the php.ini file to the jar 
files directory location, but this made no difference.

Does anyone have any idea of what I might be doing wrong here?

Re: [Php-java-bridge-users] Problems accessing classes in JAR file

From: <php...@li...> - 2010-06-14 10:19:32

Hi,

please see
http://php-java-bridge.sourceforge.net/pjb/desktop-apps.php

And please forget about CLASSPATH an java_require. Please see our FAQ for
details.

Regards,
Jost Boekemeier

Am 14.06.2010 11:57 schrieb <php...@li...>:

I've never done any Java programming before, so I may be missing
something fairly obvious here.

I want to use the Saxon java classes to process XML 2.0 Xpaths via PHP.

So I've done:

    java_require(SAXON_DIR."saxon9he.jar");

(where SAXON_DIR is predefined). I then find that I can directly access
the Saxon classes via PHP , such as:

   $config = new java("net.sf.saxon.Configuration");

So all OK so far!

However, for efficiency reason I don't want to make multiple PHP calls
to java to do the Xpath processing. So I want to create my own java
class which does all the necessary Saxon processing and can be accessed
with one PHP call.

I've created this class, built a JAR file (SaxonXPath.jar) and verified
that it works via a standalone java program, run as:

      java -cp .:SaxonXPath.jar:saxon9he.jar TestProg

So I now want to run this via PHP/java-bridge and have done:

            java_require(SAXON_DIR."saxon9he.jar");
            java_require(SAXON_DIR."SaxonXPath.jar");

I put these into a catch/try block, so I have verified that they are
successfully loaded. However, when I try and instantiate my class in
"SaxonXPath.jar" I get the error:

    java.lang.ClassNotFoundException: Could not find
com.legatio.xml.SaxonXPath in java_require() path. Please check the path
and the SEL and File permissions.

I can still access the "saxon9he.jar" classes directly and I've
double-checked that I'm using the correct path to my own class.

I tried setting "[java]" "java.classpath" in the php.ini file to the jar
files directory location, but this made no difference.

Does anyone have any idea of what I might be doing wrong here?




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Re: [Php-java-bridge-users] Problems accessing classes in JAR file

From: <php...@li...> - 2010-06-14 13:54:38

Hi Jost,

Thanks for the prompt reply. I wasn't trying to run as a desktop app, 
but via a web server.

However, your reply made me realise that the documentation I was looking 
at was out of date.

I found that by compiling my java code using "javac -extdirs . *.java"  
and putting the jar file into:

        /var/lib/tomcat5.5/webapps/JavaBridge/WEB-INF/lib

.. then my classes were found, without the need to use "java_require" 
(which I now realise is depricated).

Thanks again,

Joe

On 14/06/10 11:19, php...@li... wrote:
> Hi,
>
> please see
> http://php-java-bridge.sourceforge.net/pjb/desktop-apps.php
>
> And please forget about CLASSPATH an java_require. Please see our FAQ for
> details.
>
> Regards,
> Jost Boekemeier
>
> Am 14.06.2010 11:57 schrieb<php...@li...>:
>
> I've never done any Java programming before, so I may be missing
> something fairly obvious here.
>
> I want to use the Saxon java classes to process XML 2.0 Xpaths via PHP.
>
> So I've done:
>
>      java_require(SAXON_DIR."saxon9he.jar");
>
> (where SAXON_DIR is predefined). I then find that I can directly access
> the Saxon classes via PHP , such as:
>
>     $config = new java("net.sf.saxon.Configuration");
>
> So all OK so far!
>
> However, for efficiency reason I don't want to make multiple PHP calls
> to java to do the Xpath processing. So I want to create my own java
> class which does all the necessary Saxon processing and can be accessed
> with one PHP call.
>
> I've created this class, built a JAR file (SaxonXPath.jar) and verified
> that it works via a standalone java program, run as:
>
>        java -cp .:SaxonXPath.jar:saxon9he.jar TestProg
>
> So I now want to run this via PHP/java-bridge and have done:
>
>              java_require(SAXON_DIR."saxon9he.jar");
>              java_require(SAXON_DIR."SaxonXPath.jar");
>
> I put these into a catch/try block, so I have verified that they are
> successfully loaded. However, when I try and instantiate my class in
> "SaxonXPath.jar" I get the error:
>
>      java.lang.ClassNotFoundException: Could not find
> com.legatio.xml.SaxonXPath in java_require() path. Please check the path
> and the SEL and File permissions.
>
> I can still access the "saxon9he.jar" classes directly and I've
> double-checked that I'm using the correct path to my own class.
>
> I tried setting "[java]" "java.classpath" in the php.ini file to the jar
> files directory location, but this made no difference.
>
> Does anyone have any idea of what I might be doing wrong here?
>
>
>
>
> ------------------------------------------------------------------------------
> ThinkGeek and WIRED's GeekDad team up for the Ultimate
> GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the
> lucky parental unit.  See the prize list and enter to win:
> http://p.sf.net/sfu/thinkgeek-promo
> _______________________________________________
> php-java-bridge-users mailing list
> php...@li...
> https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users
> ------------------------------------------------------------------------------
> ThinkGeek and WIRED's GeekDad team up for the Ultimate
> GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the
> lucky parental unit.  See the prize list and enter to win:
> http://p.sf.net/sfu/thinkgeek-promo
> _______________________________________________
> php-java-bridge-users mailing list
> php...@li...
> https://lists.sourceforge.net/lists/listinfo/php-java-bridge-users
>    

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