Toni, Thanks for your reply. Seems you guys use a different version of mvel2.jar for Guvnor 5 and my glassfish picked up the older version. Had it fixed and it builds fine now. Yan -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.jboss.org/pipermail/rules-users/attachments/20090617/6b2d4cc2/attachment.html