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The number of MINUTES after which a web app times out is defined in the web.xml this way.

<web-app>
….
<session-config>
<session-timeout>60</session-timeout>
</session-config>
….
</web-app>

The WebLogic Server waits TimeoutSecs (in SECONDS) before timing out a session as shown below:
The default value, if not specified, is 3600 secs.

<weblogic-web-app>
….
<session-descriptor>
<session-param>
<param-name>TimeoutSecs</param-name>
<param-value>7200</param-value>
</session-param>
</session-descriptor>
….
</weblogic-web-app>

When timeout is set in both the deployment descriptors, the web.xml entry OVERRIDES the one defined in the weblogic.xml. This preference can be changed by a special value.

<session-config>
<session-timeout>-2</session-timeout>
</session-config>

This will let the app use the TimeoutSecs defined in the weblogic.xml for session time out.
There is yet another special value -1, in which case the session never times out. Of course, the weblogic entry is overriden in this case too.

Tags: java