Enabling and Disabling HTTP Failover 

Use

You can specify the failover mode for HTTP sessions by setting the mode attribute of the fail-over-enable element.

For more information, see Failover System, HTTP Sessions and Failover of Web Applications, and Failover for Enterprise Beans.

For the DTD, see application-j2ee-engine.dtd.

Prerequisites

You have opened the multipage editor. See Editing application-j2ee-engine.xml.

Procedure

       1.      Choose the General tab.

       2.      In the Failover field, choose the appropriate entry from the dropdown list:

¡        disable – failover is not enabled.

¡        on_request – the HTTP session is serialized after completing each request.

¡        on_attribute – the HTTP session is serialized every time an attribute is added, changed, or removed from the HTTP session.

Result

The relevant change to the application-j2ee-engine.xml file is made. For example: