MemoryLeak when stopping and restarting Felix
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Key: FELIX-1170
URL: https://issues.apache.org/jira/browse/FELIX-1170
Project: Felix
Issue Type: Bug
Components: Framework
Affects Versions: felix-1.2.1
Environment: Atlassian JIRA
Reporter: Jed Wesley-Smith
There is a memory leak caused by a strong reference from the
BundleProtectionDomain to a bundle and Felix.
The problem is that a URLClassLoader gets its AccessControlContext from the
stack - AccessController.getContext() calls
AccessController.getStackAccessControlContext() which is basically arbitrary at
the time.
In our case we have a ServletFilter plugin that is being loaded by Felix. When
a JasperLoader (a URLClassLoader) is created to load a JSP it inherits the
BundleProtectionDomain as part of its AccessControlContext. If we later shut
down Felix, it cannot be GC'd due to this reference.
For our purposes we have tested making the m_felix and m_bundle weak references
and have verified that it does indeed fix the problem.
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