PermGen

Preventing Java's java.lang.OutOfMemoryError: PermGen space failure

(via www.jroller.com)

The "OutOfMemoryError: PermGen space" message is normally encountered during development activites where a long-running JVM is asked to load/unload builds. However it can also be encountered in a recently spawned JVM under the "right" set of conditions. The message is a symptom of an incomplete garbage collection sweep where resources are not properly released upon unload/restart...

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