Configuring virtual hosts for applications on WebSphere Application Server

By configuring a virtual host for each application, the public URI can remain stable in the case of a configuration change. For example, if the applications are moved to different servers, the public URIs can be preserved by using a virtual host in the public URIs hostname.

About this task

Virtual hosts can be used in the absence of a proxy server on a single WebSphere® Application Server computer that contains the IBM® Engineering Lifecycle Management (ELM) applications. If the applications are to be moved to different servers, and you have configured a distinct virtual host name for each application, then you can do this without adding a reverse proxy. Simply change the DNS entry for the virtual host to resolve to the new server location. For more information, see DNS names in topologies.
Note: The following procedure must be repeated for each installed application and must be performed before running the setup wizard and registering applications.

Procedure

  1. In the administrative console, click Environment > Virtual hosts.
  2. Click New, and enter a name for your virtual host, for example, jts-server.
  3. Click OK, and then click Save directly to the master configuration.
  4. Click the newly created virtual host link to open it.
  5. Under Additional Properties, click Host Aliases.
  6. Click New to create a host alias. Enter * in the Host Name field and enter the HTTP or HTTPS port number that the application server is configured to use (typically, 9080 for HTTP and 9443 for HTTPS). If you are planning on using only HTTP or HTTPS, but not both, then only one alias is needed with the corresponding port number. Otherwise, create two aliases, one for the HTTP port and one for the HTTPS port. Click OK.
  7. To map the installed application to the virtual host that you just created, click Applications > Application Types > WebSphere enterprise applications.
  8. Click the jts_war application link.
  9. Under Web Module Properties, click Virtual hosts.
  10. Under Virtual host, click the Down arrow, and select jts-server.
  11. Click OK, and then click Save directly to the master configuration.

    The virtual host configuration is complete. If you have set up DNS aliasing for the virtual host to point to the WebSphere Application Server, then the server can be used immediately. However, if you want to test the configuration without using DNS aliasing, you must add an entry in the hosts file on the server for which a browser is being used to connect to the application. For example, add an xx.xxx.xxx.xxx jts-server where xx.xxx.xxx.xxx is the IP address of the computer that hosts WebSphere Application Server.

  12. Repeat the preceding steps for all other installed ELM applications. For example, configure these virtual hosts:
    • rm_war with rm-server virtual host name with * as host alias
    • qm_war with qm-server virtual host name with * as host alias
    • ccm_war with ccm-server virtual host name with * as host alias
  13. Restart the WebSphere Application Server after making all of the changes.
  14. When registering the applications in the Jazz™ Team Server setup, use the following discovery URLs for each application:
    • For /rm choose https://rm-server:9443/rm/scr
    • For /qm choose https://qm-server:9443/qm/scr
    • For /ccm choose https://ccm-server:9443/ccm/scr

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