Web server plug-in behavior and failover

 

There are various scenarios that can occur in the event of a failure somewhere in your system. This section will examine some example scenarios and show the system behavior.

The tests are designed to access a cluster from a browser via the plug-in in a Web server. The number of nodes, cluster members, and physical servers is specified in the two areas of investigation: Normal operation and Failover operation.

Each of the test setup procedures assumes that the sample application (DefaultApplication.ear) and the BeenThere application has already been installed and that there has been a successful connection to:

http://yourWebserver/snoop

http://yourWebserver/hitcount

http://yourWebserver/wlm/beenthere

Refer to 7.6, Installing and configuring BeenThere for information about how to obtain, install, and configure BeenThere.

It is also assumed that a persistent session database or a replication domain with replicators has been configured to handle requests for the nodes. See 5.5.4, Session persistence and failover for details.

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IBM is a trademark of the IBM Corporation in the United States, other countries, or both.