[jboss-jira] [JBoss JIRA] Commented: (JBPM-653) make the process parent classloader configurable

Tue Feb 20 02:25:31 EST 2007

    [ http://jira.jboss.com/jira/browse/JBPM-653?page=comments#action_12353613 ] 

Matej Knopp commented on JBPM-653:
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I'm building a custom workflow solution with jBPM. The solution consists of a custom web client built with Wicket web framework and a possibility to deploy wicket components alongside the workflow. The components are then part of user tasklist.

I had to modify the ProcessClassLoader and ClassLoaderUtil, because by default jbpm creates new instance of class loader for every delegate object requested. So I cache the classloaders for specific process defition + version. I also modified the classloader. I understand this is not how jbpm classloading is supposed to work, however, it would be great if in future it would be possible to achieve such effect without having to modify jbpm code. 

So i'd really appreciate if it was possible to set custom classloader. But that would also need means to affect how ClassLoaderUtil works, so that it is possible to cache class loaders and not to create one every time a delegate class is requested.

> make the process parent classloader configurable
> ------------------------------------------------
>
>                 Key: JBPM-653
>                 URL: http://jira.jboss.com/jira/browse/JBPM-653
>             Project: JBoss jBPM
>          Issue Type: Feature Request
>          Components: Core Engine
>            Reporter: Tom Baeyens
>         Assigned To: Tom Baeyens
>             Fix For: jBPM jPDL 3.2
>
>
> now, always the jBPM classloader is taken as a parent for the process classloaders.  this should be made configurable.  at least one other possibility should be to configure the context classloader.

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