DBConsole Not starting: An instance of Oracle Enterprise Manager Database Control is already running (Doc ID 1401794.1)

Last updated on FEBRUARY 21, 2017

Applies to:

Enterprise Manager for Oracle Database - Version 10.2.0.4 to 11.1.0.7 [Release 10.2 to 11.1]
Information in this document applies to any platform.

Symptoms

Attempting to start the DBConsole fails with:

 - An instance of Oracle Enterprise Manager Database Control is already running.

Issuing emctl stop dbconsole returns a status saying that it is successfully stopped.

 

emoms.trc log shows the following:
2012-01-26 07:56:56 Thread-12968 WARN http: snmehl_connect: connect failed to (<MY HOST DOMAIN:PORT>): Connection refused (error = 146)
2012-01-26 07:56:56 Thread-12968 ERROR pingManager: nmepm_pingReposURL: Cannot connect to  <MY HOST DOMAIN:PORT> /em/upload/: retStatus=-32
2012-01-26 07:57:13 Thread-12971 ERROR upload: Error in uploadXMLFiles. Trying again in 300.00 seconds.

Changes

 

Cause

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