[jboss-jira] [JBoss JIRA] Updated: (JBCL-17) New ClassLoader not finding generated classes in the bootstrap classloader

[Adrian Brock (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBCL-17?page=all ]

Adrian Brock updated JBCL-17:
-----------------------------

    Attachment: jboss-classloader.jar

> New ClassLoader not finding generated classes in the bootstrap classloader
> --------------------------------------------------------------------------
>
>                 Key: JBCL-17
>                 URL: http://jira.jboss.com/jira/browse/JBCL-17
>             Project: JBoss ClassLoader
>          Issue Type: Bug
>          Components: ClassLoader
>    Affects Versions: JBossCL.2.0.0.Beta12
>            Reporter: Adrian Brock
>         Assigned To: Adrian Brock
>             Fix For: JBossCL.2.0.0.CR1
>
>         Attachments: jboss-classloader.jar
>
>
> An optimisation in the new classloader is causing a backwards compatibility problem.
> When we load classes from the parent (bootstrap) classloader,
> we first check to see whether we can getResource() on the class file.
> This avoids excessive locking when many threads are trying to loadClass() on that classloader.
> However, if the class is a runtime generated class against that classloader getResource()
> will return null, leading to a ClassNotFoundException.
> While we've always done this optimization for JBoss ClassLoaders, it looks like we can't to do
> this non-jboss classloaders and maintain backwards compatibility.

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