WebLogic Server Not Starting in OBIEE 11g

While you were trying to start the WebLogic Server, it shutdown and you are getting the below error message in the nohup.out file.
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<Critical> <WebLogicServer> <BEA-000362> <Server failed. Reason: Could not obtain an exclusive lock to the embedded LDAP data files directory: /Middleware/user_projects/domains/bifoundation_domain/servers/AdminServer/data/ldap/ldapfiles because another WebLogic Server is already using this directory. Ensure that the first WebLogic Server is completely shutdown and restart the server.>
<Notice> <WebLogicServer> <BEA-000365> <Server state changed to FAILED>
<Error> <WebLogicServer> <BEA-000383> <A critical service failed. The server will shut itself down>
<Notice> <WebLogicServer> <BEA-000365> <Server state changed to FORCE_SHUTTING_DOWN>
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Remove EmbeddedLDAP.lok file in the following directory
/opt/app/obi/Middleware/user_projects/domains/bifoundation_domain/servers/bi_server1/data/ldap/ldapfiles

Now, navigate to the following directory and execute the find command as in below.

/opt/app/obi/Middleware/user_projects/domains/bifoundation_domain
bifoundation_domain]$ find . -name "*DAT"
./servers/bi_server1/data/store/diagnostics/WLS_DIAGNOSTICS000000.DAT
./servers/bi_server1/data/store/default/_WLS_BI_SERVER1000000.DAT
./servers/AdminServer/data/store/diagnostics/WLS_DIAGNOSTICS000000.DAT
./servers/AdminServer/data/store/default/_WLS_ADMINSERVER000000.DAT

Navigate to those directories and remove the files.

Reason for the above error. If you have used "KILL -9" command to kill any of the servers before you did the starting.