MPE has Several qp_procmgr Restart Errors due to a Known Java Bug in JDK8 (build 1.8.0-b132)

(Doc ID 2148297.1)

Last updated on APRIL 11, 2017

Applies to:

Oracle Communications Policy Management - Version POLICY 12.0.0 and later
Information in this document applies to any platform.

Symptoms

Product:
Oracle Communications Policy Management

Version:
POLICY 12.0.0

Behavior:
Active MPE blade restart (qp_procmgr).

Error:

AppEventLog.0


part=0 srcNode=00000.000 srcTimeStamp=12/31/1969 19:00:00.000 severity=*C timeStamp=06/02/2016 17:20:54.927 seqNum=91 task=camiantApp eventNumber=QP Critical process failed instance= eventData= errInfo=Critical process policy died additionalInfo=

Example:
qp_procmgr:
Thu Jun 2 17:20:57 EDT 2016
qp_procmgr died, reason: 194, death count=1
starting getCrashInfo in the background
Thu Jun 2 17:20:59 EDT 2016: QP_PROCMGR restarting. Death count=1
RESETTING OPERATIONAL ENVIRONMENT

 

rc_output.log has a full thread dump shortly after.

Example:
2016-06-02 17:22:44
Full thread dump Java HotSpot(TM) 64-Bit Server VM (24.72-b04 mixed mode):

 

Tomcat_output.log shows problems with JAR file and has a full thread dump at the same time as server restarts.

Example:
Jun 02, 2016 5:21:00 PM org.apache.catalina.startup.ClassLoaderFactory validateFile
WARNING: Problem with JAR file [/usr/TKLC/camiant/tomcat/lib/comcol.jar], exists: [false], canRead: [false]
Jun 02, 2016 5:21:00 PM org.apache.catalina.startup.ClassLoaderFactory validateFile
WARNING: Problem with JAR file [/usr/TKLC/camiant/tomcat/lib/comcol.jar], exists: [false], canRead: [false]

2016-06-02 17:22:44
Full thread dump Java HotSpot(TM) 64-Bit Server VM (24.72-b04 mixed mode):

Tomcat_output-2016-06-02-17-21.log shows JVM shutdown

************************************
* JVM shutdown has been initiated. *
************************************
Jun 02, 2016 5:20:54 PM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler ["http-bio-8080"]

*** Trying to dump threads for PID = 8833:

2016-06-02 17:20:54
Full thread dump Java HotSpot(TM) 64-Bit Server VM (24.72-b04 mixed mode):

Followed by the following errors.

Jun 02, 2016 5:20:55 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/li] appears to have started a thread named [IPC.ConnectionMonitor:100000] but has failed to stop it. This is very likely to create a memory leak.
Jun 02, 2016 5:20:55 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/li] appears to have started a thread named [IPCTCP.Selector] but has failed to stop it. This is very likely to create a memory leak.
Jun 02, 2016 5:20:55 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads


Expected Behavior:
For qp_procmgr to not restart.

Cause

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