Managing Databases using Enterprise Manager (MOSC)

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Blocked Agent - Error communicating with the agent. Exception message - oracle.sysman.emSDK.emd.comm

edited Jan 18, 2011 7:36AM in Managing Databases using Enterprise Manager (MOSC) 2 commentsAnswered
 I have 1 agent that all of a sudden OMS will not communicate.  It was previously working for about 10 months without issues.

The error messages I find on the agent server indicate that it needs to be resync'd.  When I run the resync I get:

Error communicating with the agent. Exception message - oracle.sysman.emSDK.emd.comm.CommException: Received unexpected response text :

It doesn't say what the unexpected text is.  The message further says that the agent host is reachable.

I stopped and started the agent, OMS and the repository database.

I was following the OMS-Agent comms troubleshooting guides, but they don't address this particular issue.

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