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Comment: Added PermGen out of memory

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To increase the amount of memory allocated to your groovy scripts, set your JAVA_OPTS environment variable. JAVA_OPTS="-Xmx..."

Avoiding PermGen out of memory

Groovy creates classes dynamically, but the default Java VM does not GC the PermGen. If you are using Java 6 or later, add -XX:+CMSClassUnloadingEnabled -XX:+UseConcMarkSweepGC. UseConcMarkSweepGC is needed to enable CMSClassUnloadingEnabled.