java.lang.OutOfMemoryError: PermGen when using groovy scripts
Issue
- We exhaust our PermGen space and see thousands of Script# classes loaded by groovy.lang.GroovyClassLoader$InnerLoaders. The heap dump shows them retained in GroovyClassLoader's classCache:
Class Name | Ref. Objects | Shallow Heap | Ref. Shallow Heap | Retained Heap
---------------------------------------------------------------------------------------------------------------------------------------------------------
gs groovy.lang.GroovyShell @ 0x707b3bbe0 | 30,682 | 56 | 6,381,856 | 88
'- loader groovy.lang.GroovyClassLoader @ 0x707b3bf20 | 30,682 | 192 | 6,381,856 | 1,999,032
'- classCache java.util.HashMap @ 0x707b3c388 | 30,682 | 72 | 6,381,856 | 1,997,120
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Environment
- JBoss Enterprise Application Platform (EAP)
- Groovy
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