Hi, I modified the <action ...> as per ur suggestion, now the delegation exception is not there. However I'm getting another exception "UnsupportedVersionException". What I know is , when u compile a file on higher version of jdk and run it on lower version jre, this exception is thrown. Here i'm using jbpm-suite-3.2.2 and eclipse3.3, how do i resolve this problem. I checked on my cmd prompt for Thanx & Regards Manjula View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4130720#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...