In the ejb-j2ee-engine.xml there is a specific session timeout property under the <bean-props> tag. You can use this property to set the time to destroy the instance of the bean. The default value is 1.
To set the session timeout, you use the <session-timeout> property.
<enterprise-bean> ... <bean-props> <property> <property-name>session-timeout</property-name> <property-value>86400</property-value> </property> ... <property>…</property> </bean-props> </enterprise-bean>
More Information
ejb-j2ee-engine_3_0.xsd - Detailed description of the ejb-j2ee-engine.xml XML schema.
Editing the ejb-j2ee-engine.xml - Detailed description about how to edit the ejb-j2ee-engine.xml .