User development, A new message was posted in the thread "null pointer exception when integrating jbpm4.3,spring2.5.6,hibernate3": http://community.jboss.org/message/530316#530316 Author : Michael Wohlfart Profile : http://community.jboss.org/people/mwohlf Message: -------------------------------------------------------------- try this in your jbpm.cfg.xml:           <command-service name="txRequiredCommandService">             <retry-interceptor />             <environment-interceptor />             <spring-transaction-interceptor />         </command-service> -------------------------------------------------------------- To reply to this message visit the message page: http://community.jboss.org/message/530316#530316