"Is it plugged in?" Is FuzzyVariable.class is in your classpath? I think this can be accomplished by deploying it in the process, or by including it in the JBPM deployment (in the WAR file?) or by putting it in the global classpath for the webserver. This is pretty basic stuff, so I may be talking "under your head", so to speak. -Ed Staub View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4041388#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...