Sun Java System Application Server Enterprise Edition 8.1 2005Q2 High Availability Administration Guide

- Previous: Configuring Availability for the Web Container
- Next: Using Single Sign-on with Session Failover

## 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> ...

- Previous: Configuring Availability for the Web Container
- Next: Using Single Sign-on with Session Failover

- © 2010, Oracle Corporation and/or its affiliates