OEM not discovering listener
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Thread: OEM not discovering listener

  1. #1
    Join Date
    Nov 2000
    Posts
    440

    OEM not discovering listener

    I installed oem 10.2.0.1 on a test machine.
    And configured 6 agents across my 6 databases.
    Great tool, test went fine.

    I Re-Installed oem this time on a prod server with a different name.
    All the agents could not talk to oem anymore because of the oem not having the same name.

    Here is the Fix i did:
    emctl stop agent
    edited emd.properties file and changed REPOSITORY_URL and emdWalletSrcUrl.
    emctl unsecure agent
    emctl secure agent
    emctl start agent
    emctl status agent

    Everything seems ok now. with the agent comminication.

    OEM discovered the agent, the database, but not the listener.

    Why oem is not discovering the listener?

  2. #2
    Join Date
    Nov 2006
    Location
    Sofia
    Posts
    630
    Is the listener located at the default port ( 1521)

  3. #3
    Join Date
    Nov 2000
    Posts
    440
    yes 1521

  4. #4
    Join Date
    Mar 2002
    Location
    Manchester, England
    Posts
    202
    why dont you just trash the agent, make sure its removed from OEM and redeploy?

  5. #5
    Join Date
    Nov 2000
    Posts
    440
    How do i uninstall the agent?

    I was able to do a silenet install on the machine with the following:

    wget http://my_grid:4889/agent_download/1...Download.linux
    ./agentDownload.linux -b /opt/oracle/app/oracle/product/

    But how to uninstall?

  6. #6
    Join Date
    Apr 2003
    Location
    Pune,Maharashtra. India.
    Posts
    245
    Hi ,
    You can add your Listener for Monitoring. by following steps..

    On EM go to Agent Home page (Agent target will be like hostnameort)
    for the node where Listener is running.
    from Add combo box select Listener and click go.
    It will ask you few details like
    1) what Name you want to give to target.
    2)listener.ora locatio
    3) port
    and few more.

    Just go through next next and Monitor your Listener
    Rgds
    Parag

  7. #7
    Join Date
    Mar 2002
    Location
    Mesa, Arizona
    Posts
    1,204
    So you want the agents to point to the new OMS on a different server, right?

    Check out Note: 372705.1 on metalink. It shows how to change the OMS host from the agent perspective.

    Cheers
    "I do not fear computers. I fear the lack of them." Isaac Asimov
    Oracle Scirpts DBA's need

  8. #8
    Join Date
    Jun 2005
    Location
    Florida
    Posts
    41
    Can you post the full output of
    $emctl status agent

    Also, Check the $ORACLE_HOME/sysman/config/emd.properties file for hostnames/port etc. Then check the targets.xml file to see if you see any targets. Else the same directory of targets.xml should have a trace file (.trc) with some error.

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