WebSphere Application Server & Liberty

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Installing Java 11 on z/OS with IBM Installation Manager

By Jeff Mierzejewski posted Sun August 21, 2022 10:16 PM

  
Customers on z/OS can now install IBM Semeru Runtime Certified Edition for z/OS, Version 11 (Java 11) onto WebSphere Liberty with IBM Installation Manager.

Installation Procedure

1. In IBM Fix Central, search for WebSphere Liberty maintenance to find the latest Installation Manager fix pack repository for IBM Semeru Runtime Certified Edition for z/OS, Version 11:

2. Download the repository zip file and move it (in binary!) to z/OS.  We recommend that you place it in /global/instmgr/repo.  Make sure it is readable by your Installation Manager user ID.

3. Identify the Liberty filesystem to which you want to add Java 11 and mount the filesystem, read/write, at its original installation mountpoint.  The filesystem will need approximately 500MB of free space for Java 11.

4. Run the following Installation Manager command:

  /global/instmgr/bin/eclipse/tools/imcl                                       
    install com.ibm.java.jdk.v11                                               
     -installationDirectory /global/instmgr/products/WebSphere/Liberty/22.0.0.8                       
     -repositories                                                              
       /global/instmgr/repo/ibm-semeru-certified-jdk_s390x_zos_11.0.mm.n-installmgr.zip                                                                  
     -acceptLicense                                                              

Adjust the installation directory and repository location as needed.

5. Unmount the Liberty filesystem and remount read-only.   IBM Semeru Runtime Certified Edition for z/OS, Version 11 will now be installed in the {Liberty runtime}/java/J11.0_64 directory.

Sample installation and uninstallation jobs for IBM Semeru Runtime Certified Edition for z/OS, Version 11 has been added to the downloadable sample jobs for WebSphere Application Server:

   Version 8.5 sample jobs

   Version 9.0 sample jobs

The SMP/E versions will be updated later.

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