Coherence*Web SessionReaperDaemon Locks Application Server Threads (Doc ID 1309090.1)

Last updated on NOVEMBER 03, 2016

Applies to:

Oracle Coherence - Version 3.5.3 and later
Information in this document applies to any platform.

Symptoms

WebLogic, or other application server, reports unusually high number of hogging threads, that recover in 5-10 min:

"SessionReaperDaemon[on24apps!/eventRegistration, 2011-03-14 17:46:38.133]" daemon prio=3 tid=0x000000010d536800 nid=0x1f8 in Object.wait() [0xfffffffc0c1fe000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at com.tangosol.util.TaskDaemon.takeNextRipeTask(TaskDaemon.java:361)
- locked <0xfffffffcd7a0f3a0> (a com.tangosol.coherence.servlet.SessionHelper$)
at com.tangosol.util.TaskDaemon.run(TaskDaemon.java:103)
at com.tangosol.coherence.servlet.SessionHelper$SessionReaperDaemon.run(SessionHelper.java:2733)
at com.tangosol.util.Daemon$DaemonWorker.run(Daemon.java:714)
at java.lang.Thread.run(Thread.java:619)

Cause

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