hi,
In web.xml I can set session timeout for example 10 minutes:

 <session-config>
 <session-timeout>10</session-timeout>
 </session-config>

but when I dont' want to terminate session? how long user web browser is opened session should be opened, how can i do it?

 <session-timeout>0</session-timeout>
 <session-timeout>-1</session-timeout>
 <session-timeout>*</session-timeout>

???? can anybody help me?