December 5, 2010

BEA-000362 due to "Unable to obtain lock" on AdminServer lock file


When starting up the Oracle WebLogic 11g AdminServer, you may get the following error:
<Dec 3, 2010 8:57:32 AM EST> <Critical> <WebLogicServer> <BEA-000362> <Server failed. Reason:

There are 1 nested errors: Unable to obtain lock on /u01/app/oracle/middleware/user_projects/domains/soa_domain/servers/AdminServer/tmp/AdminServer.lok. Server may already be running
        at weblogic.t3.srvr.ServerServicesManager.startService(
        at weblogic.t3.srvr.ServerServicesManager.startInStandbyState(
        at weblogic.t3.srvr.T3Srvr.initializeStandby(
        at weblogic.t3.srvr.T3Srvr.startup(
        at weblogic.Server.main(

<Dec 3, 2010 8:57:32 AM EST> <Notice> <WebLogicServer> <BEA-000365> <Server state changed to FAILED>
<Dec 3, 2010 8:57:32 AM EST> <Error> <WebLogicServer> <BEA-000383> <A critical service failed. The server will shut itself down>
<Dec 3, 2010 8:57:32 AM EST> <Notice> <WebLogicServer> <BEA-000365> <Server state changed to FORCE_SHUTTING_DOWN>

1. Shutdown the AdminServer gracefully as follows:
export MW_HOME=/u01/app/oracle/middleware
export DOMAIN_HOME=$MW_HOME/user_projects/domains/soa_domain
2. Remove the lock file:
rm /u01/app/oracle/middleware/user_projects/domains/soa_domain/servers/AdminServer/tmp/AdminServer.lok
3. Restart the AdminServer as follows, and you should be okay:
export MW_HOME=/u01/app/oracle/middlware
export DOMAIN_HOME=$MW_HOME/user_projects/domains/soa_domain
nohup $DOMAIN_HOME/bin/ &
Applicable Versions:
  • Oracle WebLogic 11g (11.1.1.x)


  1. hi .....

    i got same issue but i didnot find any .lok gile in the folder admin server please help me on this...............

  2. Hi
    i tried the same but getting the same error, even after removing the lock file from the adminserver temp directory.

    Giribabu L

  3. I am also getting the same error. Removed all the mentioned .loc files but did not work.


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