Implementation Guide › Installing and Customizing a UNIX Endpoint › Before You Begin › Installation Considerations for Linux s390 Endpoints › How the Installation Interacts with Java

How the Installation Interacts with Java

Valid on Linux s390, Linux s390x and Linux IA64

To use Message Queue functionality, to remotely manage UNAB Linux s390 endpoints and use reporting capabilities on Linux IA64 and Linux s390, you install a supported Java version on the endpoint.

When you install CA Access Control or UNAB on a Linux s390 or a Linux IA64 endpoint, the installation does the following:

1. Checks the following locations for a path to a valid Java environment, in order:
   1. The JAVA_HOME parameter in the installation input.

      Installation input includes the UNAB installation parameters file, the UNIX CA Access Control installation parameters file, customized packages for native installations, and user input from interactive CA Access Control installations.

   2. The JAVA_HOME environment variable.
   3. (Linux s390 and Linux s390x) The default installation path, /opt/ibm/java2-s390-50/jre  
2. Sets the value of the java_home configuration setting in the global setting of the accommon.ini file to one of the following _values:
   • If the installation finds a path to a valid Java environment, it sets the value of the configuration setting to this path.
   • If the installation does not find a path to a valid Java environment, it sets the value of the configuration setting to ACSharedDir/JavaStubs.

     By default, ACSharedDir is /opt/CA/AccessControlShared.