OEM 12c Goes Down Intermittently and Accessing the Console Gives "Backend WLS or EM application seems to be down" (Doc ID 1620135.1)

Last updated on AUGUST 10, 2016

Applies to:

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

Symptoms

12c OEM goes down intermittently and gives "Backend WLS or EM application seems to be down" while accessing the console page.


$OMS_HOME/bin/emctl status oms
Oracle Enterprise Manager Cloud Control 12c Release 2
Copyright (c) 1996, 2012 Oracle Corporation. All rights reserved.
WebTier is Up
Oracle Management Server is Down

OMS comes up after a couple of minutes by itself.

This also generates alerts stating OMS and other related applications down.

Cause

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