[jboss-osgi-issues] [JBoss JIRA] Created: (JBOSGI-286) Investigate classloading of javax.* classes

[Thomas Diesler (JIRA)]

Investigate classloading of javax.* classes
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                 Key: JBOSGI-286
                 URL: https://jira.jboss.org/jira/browse/JBOSGI-286
             Project: JBoss OSGi
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Core Framework
            Reporter: Thomas Diesler
            Assignee: Thomas Diesler
             Fix For: Framework 1.0.0 Alpha3


The Framework must always delegate any package that starts with java. to the parent class loader.

Certain Java virtual machines, also SUN's VMs, appear to make the erroneous assumption that the delegation to the parent class loader always occurs.
This implicit assumption of strictly hierarchical class loader delegation can result in NoClassDefFoundErrors. This happens if the virtual machine
implementation expects to find its own implementation classes from any arbitrary class loader, requiring that packages loaded from the boot class
loader not be restricted to only the java.* packages. Other packages that must be loaded from the boot class loader can therefore be specified with the System property:

   org.osgi.framework.bootdelegation

The packages in javax.* are NOT on the boot classpath by default



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