EM 13c, 12c: OMS Failed to Start After Changing the Heap Size Settings (Doc ID 2297628.1)

Last updated on AUGUST 17, 2017

Applies to:

Enterprise Manager Base Platform - Version 12.1.0.4.0 and later
Information in this document applies to any platform.

Symptoms

OMS fails to start with the following error:

$<OMS_HOME>/bin>./emctl start oms

Starting Oracle Management Server...
Oracle Management Server Could Not Be Started
Oracle Management Server is Down
Please check /u01/app/oracle/Middleware/gc_inst/em/EMGC_OMS1/sysman/log/emctl.log for error details

$EM_INSTANCE_HOME/gc_inst/user_projects/domains/GCDomain/servers/EMGC_OMS1/logs/EMGC_OMS1.out file reports the following error:

JVMJ9GC019E -Xms too large for -Xmx
JVMJ9VM015W Initialization error for library j9gc24(2): Failed to initialize
Could not create the Java virtual machine.

Cause

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