General Articles or HOWTOs

  1. Create users in weblogic
  2. Remove/Delete a Weblogic domain
  3. Register or de-register the Oracle Web Tier with the Oracle Weblogic Domain
  4. Use JConsole to Monitor Applications?
  5. Setup JDBC Multi Data Sources in weblogic server
  6. Server State in the Weblogic domain using WLST Commands
  7. Faster Startup time for Weblogic Server
  8. Weblogic 12c: Oracle WebLogic Server and Coherence 12c (12.1.3) Start/Stop procedures.
  9. 12c: Oracle Fusion Middleware Concepts 12c: New and Changed features 12c 


  1. Weblogic 12c: Oracle WebLogic Server and Coherence installation 12c (12.1.3) on Linux
  2. Weblogic 12c: Oracle WebLogic Server and Coherence configuration 12c (12.1.3) on Linux

Issues Encountered

  1. BEA-280061 The persistent store “_WLS_AdminServer” could not be deployed . Store:280021 There was an error while opening the file store file “_WLS_ADMINSERVER000000.DAT”
  2. Error: “\Java\jre6\lib\ext\ was unexpected at this time.”
  3. “A timeout occured while interacting with Managed_Server. Limited information is available.”
  4. Error : OSB: Failed to obtain WLS Edit lock; it is currently held by user weblogic.
  5. CLONE-20408 Unsupported T2P configuration found while examining machines
  6. Weblogic Console not accessible after server reboot.
  7. Weblogic: Managed Server: java.lang.OutOfMemoryError: PermGen space
  8. Managed Server: failed hostname verification check.


  1. Oracle Weblogic Server 12c Administrator Certified