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Lock Contention in after GC (Doc ID 2320182.1)

Last updated on MAY 16, 2023

Applies to:

Oracle Service Bus - Version and later
Information in this document applies to any platform.


Performance issues due to lock contention on Thread dumps are showing many threads waiting for same lock: 

[ACTIVE] ExecuteThread: '32' for queue: 'weblogic.kernel.Default (self-tuning)'" id=167 idx=0x288 tid=54272 prio=5 alive, blocked, native_blocked, daemon
  -- Blocked trying to get lock: java/lang/Object@0x88f9b860[fat lock]
  at jrockit/vm/Threads.waitForUnblockSignal()V(Native Method)
  at jrockit/vm/Locks.fatLockBlockOrSpin([optimized]
  at jrockit/vm/Locks.lockFat([optimized]
  at jrockit/vm/Locks.monitorEnterSecondStageHard([optimized]
  at jrockit/vm/Locks.monitorEnterSecondStage([optimized]
  at com/bea/wli/sb/service/ServiceImpl.getRuntimeEffectiveWSDL([inlined]
  at com/bea/wli/sb/service/ServiceImpl.getEffectiveWSPolicy([optimized]


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