yeah I had checked the application for any connection leaks they are perfectly alright we had closed connection properly in the finally block.....also I had later on changed the value from <blocking-timeout-millis>5000</blocking-timeout-millis> to <blocking-timeout-millis>30000</blocking-timeout-millis> to see if it serves our purpose....(and ofcourse restarted the system)...I thnk 100 connections will be fine enough as we are also releasing connections properly...this test is carried out on solaris machines View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4122498#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...