[jboss-jira] [JBoss JIRA] Updated: (JBAS-5267) JBOSS endorsed lib Xerces and class loading

[Magesh Kumar B (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBAS-5267?page=all ]

Magesh Kumar B updated JBAS-5267:
---------------------------------

    Help Desk Ticket Reference: https://enterprise.redhat.com/issue-tracker/?module=issues&action=view&tid=176496
                   Description: 
We have a class that converts HTML to PDF using Xalan and Apache FOP. The process involves xerces lib also.

we have a requirement to use libs compatible with our FOP release. (xerces 2.7.1, xalan 2.7.0 etc).

When those libs and bundle in a WAR, it works fine, class loading seems OK and our libs are correctly loaded by our class. No interferences with jboss libraries.

But when we bundle the libs in a EAR and a EJB jar (ClassPath set in Manifest) we can't get out a ClassCast exception. 

We've tried all options of isolations without success. 

I've found a clue for you at IBM. Not sure if it can apply to jboss  http://www.ibm.com/developerworks/websphere/library/techarticles/0310_searle/searle.html



  was:

We have a class that converts HTML to PDF using Xalan and Apache FOP. The process involves xerces lib also.

we have a requirement to use libs compatible with our FOP release. (xerces 2.7.1, xalan 2.7.0 etc).

When those libs and bundle in a WAR, it works fine, class loading seems OK and our libs are correctly loaded by our class. No interferences with jboss libraries.

But when we bundle the libs in a EAR and a EJB jar (ClassPath set in Manifest) we can't get out a ClassCast exception. 

We've tried all options of isolations without success. 

I've found a clue for you at IBM. Not sure if it can apply to jboss  http://www.ibm.com/developerworks/websphere/library/techarticles/0310_searle/searle.html




> JBOSS endorsed lib Xerces and class loading
> -------------------------------------------
>
>                 Key: JBAS-5267
>                 URL: http://jira.jboss.com/jira/browse/JBAS-5267
>             Project: JBoss Application Server
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: ClassLoading
>    Affects Versions: JBossAS-4.0.3 SP1
>         Environment: jdk 1.5
>            Reporter: laurent duparchy
>         Assigned To: Scott M Stark
>
> We have a class that converts HTML to PDF using Xalan and Apache FOP. The process involves xerces lib also.
> we have a requirement to use libs compatible with our FOP release. (xerces 2.7.1, xalan 2.7.0 etc).
> When those libs and bundle in a WAR, it works fine, class loading seems OK and our libs are correctly loaded by our class. No interferences with jboss libraries.
> But when we bundle the libs in a EAR and a EJB jar (ClassPath set in Manifest) we can't get out a ClassCast exception. 
> We've tried all options of isolations without success. 
> I've found a clue for you at IBM. Not sure if it can apply to jboss  http://www.ibm.com/developerworks/websphere/library/techarticles/0310_searle/searle.html

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