Support Article
JMS Listener hangs due to blocking sessions on database
SA-76040
Summary
Error is generated in the SystemOut logs while the JMS listener is running. As a result, the requestor thread hangs and stops the Listener pooling.
Error Messages
00000046 ThreadMonitor W WSVR0605W: Thread "MessageListenerThreadPool : 0" (00000111) has been active for 761216 milliseconds and may be hung. There is/are 2 thread(s) in total in the server
Steps to Reproduce
Not Applicable
Root Cause
Blocking sessions occurred on the pr_assembledclasses.
SELECT pzlastmodified, pzbinarycontent
FROM PAL_RULES.pr_assembledclasses
WHERE (pzpackage = :1 OR pzpackage = :2)
AND pzclass = :3
AND pzjar = :4
AND pzCacheConfigId = :5
AND pzGenerationDate = :6
Resolution
Apply HFix-44604.
Published August 19, 2019 - Updated October 8, 2020
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