My Oracle Support Banner

EM13c : OMS Console Access Gives Error after Login: "ERR_CONNECTION_TIMED_OUT" (Doc ID 2758872.1)

Last updated on JULY 15, 2021

Applies to:

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


Enterprise Manager (EM) Cloud Control, OMS is getting restarted. Even when the OMS is up, the console is not accessible.
Some times the console is accessible, but post login it gives "ERR_CONNECTION_TIMED_OUT" error

Error stack observed from <EM_INSTANCE_HOME>/em/EMGC_OMS1/sysman/log/emoms.trc file:

2021-03-08 05:34:21,950 [[STUCK] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'] ERROR commands.MDASystemCheckCommand logp.251 - [MDA_ACTIVITY_ID=a6f77b92-b7d2-4636-ad9b-b17796c87576]Error occurred during invoke of MDA System Check Command Error in selfHealAnalysisJobs() : IO Error: Socket closed
oracle.sysman.emInternalSDK.sdkas.mda.MdaException: Error in selfHealAnalysisJobs() : IO Error: Socket closed
at oracle.sysman.emInternalSDK.sdkas.mda.MdaException.processThrowable(



To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.