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EM 13c: Enterprise Manager 13c Cloud Control OMS Status Check Messages: Error when checking webtier status: [hostname]: unknown error; java.net.UnknownHostException: [hostname] (Doc ID 2809821.1)

Last updated on FEBRUARY 26, 2022

Applies to:

Enterprise Manager Base Platform - Version 13.2.0.0.0 and later
Information in this document applies to any platform.

Symptoms

Enterprise Manager (EM) 13.2 Cloud Control

A status check of the Oracle Management Service (OMS) shows the following error:

Oracle Management Server is not functioning because of the following reason:
Unexpected error occurred. Check error and log files.
Check the following log files:
EM log files: <EM_INSTANCE_HOME>/em/EMGC_OMS2/sysman/log/emctl.log, emoms.trc, emoms_pbs.trc

<EM_INSTANCE_HOME>/em/EMGC_OMS2/sysman/log/emctl.log shows this corresponding message:

2021-09-25 09:59:39,066 [main] INFO wls.OMSController main.220 - Executing emctl command : status
2021-09-25 09:59:42,754 [main] ERROR commands.StatusCommand getWebTierStatus.187 - Error when checking webtier status: <hostname>: unknown error
2021-09-25 09:59:43,038 [main] ERROR oms.StatusOMSCmd processStatusOMS.352 - Exception when trying to hit OMS page.
java.net.UnknownHostException: <hostname>

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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