session timeout tag reference - novalexei/mod_servlet GitHub Wiki

#####<session-timeout>

The session timeout tag provides a way to specify the timeout for HTTP sessions, overriding the default time of mod_servlet (30 minutes).

The value between the tags is specified in minutes.

Example, to set timeout to 2 hours:

<session-config>
    <session-timeout>120</session-timeout>
</session-config>

To web.xml reference page