EM 12c: Enterprise Manager 12.1.0.5 Cloud Control Agent Restarts Logging Error: Hang detected for EMAgent : 15804
Last updated on OCTOBER 08, 2016
Applies to:
Enterprise Manager Base Platform - Version 12.1.0.5.0 and laterInformation in this document applies to any platform.
Symptoms
Enterprise Manager (EM) 12.1.0.5.0 Cloud Control system
The agent on one of the nodes of a cluster supporting a RAC database restarts continuously and the following error is logged in.../agent_inst/sysman/log/emagent.nohup
----- Mon May 16 09:24:17 2016::49950::Checking status of EMAgent : 15804 -----
----- Mon May 16 09:24:17 2016::49950::Hang detected for EMAgent : 15804 -----
----- Mon May 16 09:24:17 2016::49950::Debugging component EMAgent -----
----- Mon May 16 09:24:17 2016::generate first thread dump file for diagnosis -----
----- Mon May 16 09:24:33 2016::generate second thread dump file for diagnosis -----
----- Mon May 16 09:24:39 2016::generate Threads.15804lsof.1 for diagnosis -----
----- Attempting to kill EMAgent : 15804 -----
----- Mon May 16 09:24:45 2016::49950::EMAgent exited at Mon May 16 09:24:45 2016 with signal 9 -----
----- Mon May 16 09:24:45 2016::49950::EMAgent either hung or in abnormal state. -----
----- Mon May 16 09:24:45 2016::49950::EMAgent will be restarted/thrashed. -----
----- Mon May 16 09:24:45 2016::49950::writeAbnormalExitTimestampToAgntStmp: exitCause=ABNORMAL : restartRequired=1 -----
----- Mon May 16 09:24:45 2016::49950::Restarting EMAgent. -----
----- Mon May 16 09:24:45 2016::49950::Auto tuning the agent at time Mon May 16 09:24:45 2016 -----
----- Mon May 16 09:24:47 2016::49950::Finished auto tuning the agent at time Mon May 16 09:24:47 2016 -----
----- Mon May 16 09:24:47 2016::49950::Launching the JVM with following options: -Xmx1256M -XX:MaxPermSize=512M -server -Djava.security.egd=file:///dev/./urandom -Dsun.lang.ClassLoader.allowArraySyntax=true -XX:+UseLinuxPosixThreadCPUClocks -XX:+UseConcMarkSweepGC -XX:+CMSClassUnloadingEnabled -XX:+UseCompressedOops -----
----- Mon May 16 09:24:47 2016::49950::Agent Launched with PID 44622 at time Mon May 16 09:24:47 2016 -----
----- Mon May 16 09:24:17 2016::49950::Hang detected for EMAgent : 15804 -----
----- Mon May 16 09:24:17 2016::49950::Debugging component EMAgent -----
----- Mon May 16 09:24:17 2016::generate first thread dump file for diagnosis -----
----- Mon May 16 09:24:33 2016::generate second thread dump file for diagnosis -----
----- Mon May 16 09:24:39 2016::generate Threads.15804lsof.1 for diagnosis -----
----- Attempting to kill EMAgent : 15804 -----
----- Mon May 16 09:24:45 2016::49950::EMAgent exited at Mon May 16 09:24:45 2016 with signal 9 -----
----- Mon May 16 09:24:45 2016::49950::EMAgent either hung or in abnormal state. -----
----- Mon May 16 09:24:45 2016::49950::EMAgent will be restarted/thrashed. -----
----- Mon May 16 09:24:45 2016::49950::writeAbnormalExitTimestampToAgntStmp: exitCause=ABNORMAL : restartRequired=1 -----
----- Mon May 16 09:24:45 2016::49950::Restarting EMAgent. -----
----- Mon May 16 09:24:45 2016::49950::Auto tuning the agent at time Mon May 16 09:24:45 2016 -----
----- Mon May 16 09:24:47 2016::49950::Finished auto tuning the agent at time Mon May 16 09:24:47 2016 -----
----- Mon May 16 09:24:47 2016::49950::Launching the JVM with following options: -Xmx1256M -XX:MaxPermSize=512M -server -Djava.security.egd=file:///dev/./urandom -Dsun.lang.ClassLoader.allowArraySyntax=true -XX:+UseLinuxPosixThreadCPUClocks -XX:+UseConcMarkSweepGC -XX:+CMSClassUnloadingEnabled -XX:+UseCompressedOops -----
----- Mon May 16 09:24:47 2016::49950::Agent Launched with PID 44622 at time Mon May 16 09:24:47 2016 -----
The following is correspondingly found in the .../agent_inst/sysman/log/gcagent_errors.log:
2016-06-30 07:43:40,502
[1387:oracle.dfw.impl.incident.DiagnosticsDataExtractorImpl - Incident Dump
Executor (created: Thu Jun 30 07:43:26 PDT 2016)] ERROR - unable to parse
Unable to store request. Retry into column 6 ("FailureTime[ms]")
java.text.ParseException: For input string: " Unable to store request.
Retry"
at
oracle.sysman.gcagent.jobs.AsynchronousJobTaskStatistics$TypedColumnDefn.buil
d(AsynchronousJobTaskStatistics.java:316)
[1387:oracle.dfw.impl.incident.DiagnosticsDataExtractorImpl - Incident Dump
Executor (created: Thu Jun 30 07:43:26 PDT 2016)] ERROR - unable to parse
Unable to store request. Retry into column 6 ("FailureTime[ms]")
java.text.ParseException: For input string: " Unable to store request.
Retry"
at
oracle.sysman.gcagent.jobs.AsynchronousJobTaskStatistics$TypedColumnDefn.buil
d(AsynchronousJobTaskStatistics.java:316)
Changes
Cause
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