Moving from WebSphere Application Server Liberty Base to Open Liberty

You can move from using WebSphere Application Server Liberty Base to Open Liberty.

About this task

HCL Workload Automation installation package contains Open Liberty, but both WebSphere Application Server Liberty Base and Open Liberty are supported. If you have a WebSphere Application Server Liberty Base license and the product is already installed in your environment, and you plan to continue using it with HCL Workload Automation, no action is required.

If you have WebSphere Application Server Liberty Base installed in your environment, but you want to move to Open Liberty, follow the procedure described below:

Procedure

  1. Download Open Liberty from Get started with Open Liberty.

    Check the release notes to ensure the latest Open Liberty version is supported by HCL Workload Automation. You can find the Release Notes at HCL Workload Automation Release Notes.

  2. Stop the application server as described in Application server - starting and stopping.
    Also stop HCL Workload Automation and all other applications running on the WebSphere Application Server Liberty Base instance.
  3. Optionally create a backup of the current WebSphere Application Server Liberty Base instance in a directory different from the Open Liberty installation directory.
  4. Uninstall WebSphere Application Server Liberty Base.
  5. Perform one of the following actions:
    1. Extract Open Liberty using the root user:
      On Windows operating systems
      unzip <openliberty_download_dir>\openliberty-<version>.zip
 -d <install_dir>
--acceptLicense
      On UNIX operating systems
      unzip <openliberty_download_dir>/openliberty-<version>.zip
 -d <install_dir>
--acceptLicense
    2. Run the following command to assign permissions:
      chmod 755 -R "wlp_directory"

    OR

    Extract Open Liberty using the user who is going to install the product, as follows:
    su - "wauser"
unzip
    where:
    <openliberty_download_dir>
    The directory where you downloaded Open Liberty.
    install_dir
    The directory where you want to install Open Liberty.
    Note: Install the new Open Liberty in the exact location of the previous WebSphere Application Server Liberty Base installation.
  6. Restart the application server as described in Application server - starting and stopping.
    Also restart HCL Workload Automation and all other applications running on the Open Liberty instance.