EM12c : Error Occurred: WebTier Could Not Be Started. Reason: Failed To Start OPMN

(Doc ID 2103656.1)

Last updated on MARCH 18, 2016

Applies to:

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

Symptoms

12.1.0.5 OMS fails to start.

$ emctl start oms
Oracle Enterprise Manager Cloud Control 12c Release 5
Copyright (c) 1996, 2015 Oracle Corporation. All rights reserved.
Starting Oracle Management Server...
Starting WebTier...
WebTier Could Not Be Started. Reason: Failed to start OPMN
Error Occurred: WebTier Could Not Be Started. Reason: Failed to start OPMN
Please check /opt/app/oracle/product/Em12c/gc_inst/em/EMGC_OMS1/sysman/log/emctl.log for error details

Cause

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