JDK Version Upgrade

Steps for JDK version upgrade:

  1. Stop all the servers
  2. Copy JDK <New Version> to /tmp/
  3. Untar the installable
  4. Take backup of existing JAVA(jrockit)
  5. Copy the contents of the extracted/new java files to the existing JavaHome
  6. Copy the cacerts from the jrockit backup taken before upgrade to java_home/jre/lib/security folder
  7. Goto Domain_Home/bin and edit setDomainenv.sh
  8. Search for JAVA_SUN_HOME as in screenshot and place the javahome value(same as that of the old ones )
  9. Also place JAVA_VENDOR=”Sun” below the JAVA_SUN_HOME. Save the file.
  10. Download UnlimitedJCEPolicyJDK7/8.zip and copy to servers and extract the file. Two files US_export_policy.jar local_policy.jar will be present.
  11. Copy the files to JAVA_HOME/jre/lib/security folder
  12. Check JAVA version and start the servers.

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