Configuring Availability for Individual Web Applications

To enable and configure availability for an individual web application, edit the application deployment descriptor file, sun-web.xml. The settings in an application’s deployment descriptor override the web container’s availability settings.

The session-manager element’s persistence-type attribute determines the type of session persistence an application uses. It must be set to ha to enable high availability session persistence.

For more information about the sun-web.xml file, see The sun-web.xml File in Sun Java System Application Server Enterprise Edition 8.1 2005Q2 Developer’s Guide.

Example

<sun-web-app> ... 
  <session-config> 
    <session-manager persistence-type=ha> 
      <manager-properties> 
        <property name=persistenceFrequency value=web-method /> 
      </manager-properties> 
      <store-properties> 
        <property name=persistenceScope value=session /> 
      </store-properties> 
    </session-manager> ... 
</session-config> ...