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12c OMS Restarts emctl.msg File Reports 'EventCoordinator error: Fatal JVM Error. Restarting OMS: Java heap space' (Doc ID 1937978.1)

Last updated on JUNE 01, 2018

Applies to:

Enterprise Manager Base Platform - Version 12.1.0.3.0 and later
Information in this document applies to any platform.

Symptoms

12c OMS restarts intermittently.

$EM_INSTANCE_BASE/gc_inst/em/EMGC_OMS1/sysman/log/emctl.msg reports the following error.

HealthMonitor <Date> EventCoordinator error: Fatal JVM Error. Restarting OMS (802): Java heap space
Critical error err=3 detected in module EventCoordinator
OMS will be restarted. A full thread dump will be generated in the log file
/tech/oracle/oracle/12cR3gc_inst/user_projects/domains/GCDomain/servers/EMGC_OMS5/logs/EMGC_OMS5.out
to help Oracle Support analyse the problem.
Please consult My Oracle Support Note 964469.1 for additional information.

 

Cause

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