ClassLoader memory leak caused by XmlUtil ThreadLocal
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Key: SHINDIG-1132
URL: https://issues.apache.org/jira/browse/SHINDIG-1132
Project: Shindig
Issue Type: Bug
Components: Java
Affects Versions: 1.0
Environment: When trying to unload the ClassLoader that loaded
Shindig, for instance in an OSGi environment
Reporter: Jed Wesley-Smith
The class org.apache.shindig.common.xml.XmlUtil caches a
javax.xml.parsers.DocumentBuilder in the ThreadLocal reusableBuilder variable.
These instances are created with the static ErrorHandler instance which creates
the strong reference to the XmlUtil class that prevents the ClassLoader from
being reclaimed.
Currently the only way to turn off this behaviour is for
DocumentBuilder.reset() to throw an exception.
We need a way to turn off this caching. Maybe the caching aspect could be
injected via Guice?
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