Upgrade Java 8 to Java 11 for Oracle WebLogic Server 14.1.1.0

To upgrade Java 8 to Java 11 for WebLogic Server 14.1.1.0, follow these steps:
  1. Navigate to the <WLS_HOME>/Middleware/Oracle_Home/user_projects/domains/<domain>/bin directory.
    Update SUN_JAVA_HOME, DEFAULT_SUN_JAVA_HOME, JAVA_HOME in the setDomainEnv.sh file to point to the new Java path.
    For example,
    SUN_JAVA_HOME="/usr/java/jdk-11.0.11"
    DEFAULT_SUN_JAVA_HOME="/usr/java/jdk-11.0.11"
    JAVA_HOME="/usr/java/jdk-11.0.11"
  2. Clear the Application cache. Navigate to the following path and delete the files:<Weblogic installation location>/domains/<Domain name>/servers/<Server name>/tmp/_WL_user/<Application name>/qaelce/jsp_servlet
    If you wish to install a new instance of the Oracle WebLogic Server, follow these steps:
    1. Install Oracle WebLogic Server 14.1.1.0 and later on Java 11.
    2. Perform the configurations for the newly installed WebLogic server.
    For more information, see Configure Resource Reference in WebLogic Application Server.

    Note:

    • While creating the WebLogic Domain, the Listen Port must be set the same as that of the existing Domain.
    • Note down the new Domain path to perform OFSAA Configurations.