Support Article

Hung threads on LocalizedApplicationContext.getChangeCount()

SA-28464

Summary



The Java Virtual Machine (JVM) experienced hung threads.

Error Messages



[**Date, time, and time zone**] 00000003 ThreadMonitor W   WSVR0605W: Thread "WebContainer : 50" (000000aa) has been active for 613538 milliseconds and may be hung.  There is/are 1 thread(s) in total in the
server that may be hung.
    at sun.misc.Unsafe.park(Native Method)
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:182)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:822)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireShared(AbstractQueuedSynchronizer.java:952)
.
.
.


Steps to Reproduce



Unknown

Root Cause



A defect in Pegasystems’ code or rules. This deadlock is a known edge condition, which can occur under load during Application Context getChangeCount locking.

Resolution



Apply HFix-29540.

Published September 27, 2016 - Updated October 6, 2016

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