hi, thanks, for your answer. I can provide more output from the log. Our application is Java 1.4.2 based with JBOSS as the application server and tomcat as the web server. This exception happens during one of our processes of our application. regards "jaikiran" wrote : The stacktrace does mention one of the possible reasons. Did you check if it timed out? And please provide more details about the application, the JBoss and Java version and when exactly this exception occurs. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4195506#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...