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EM 12c: emctl start oms hangs at Starting Oracle Management Server... EMGC_OMS1.out Reports java.lang.OutOfMemoryError: PermGen space (Doc ID 2238677.1)

Last updated on FEBRUARY 28, 2017

Applies to:

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


OMS startup hangs forever with the following message:

$<OMS_HOME>/bin>./emctl start oms
Copyright (c) 1996, 2012 Oracle Corporation. All rights reserved.
Starting Oracle Management Server...

../gc_inst/user_projects/domains/GCDomain/servers/EMGC_OMS1/logs/EMGC_OMS1.out file has below symtoms

<Feb 24, 2017 1:39:31 PM EST> <Error> <JMX> <BEA-149500> <An exception occurred while registering the MBean com.bea:Name=GCDomain,Type=SNMPAgent.
java.lang.OutOfMemoryError: PermGen space
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(
at java.lang.ClassLoader.defineClass(
Truncated. see log file for complete stacktrace
<Feb 24, 2017 1:39:32 PM EST> <Critical> <WebLogicServer> <BEA-000286> <Failed to invoke startup class "JRF Startup Class", java.lang.OutOfMemoryError: PermGen space
java.lang.OutOfMemoryError: PermGen space
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(
at java.lang.Class.privateGetPublicMethods(
at java.lang.Class.getMethods(
at java.beans.Introspector.getPublicDeclaredMethods(
Truncated. see log file for complete stacktrace


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