hi, I persisted processdefinition.xml in to the database, and able to load it from database from my web application, using this code : JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext(); try { GraphSession graphSession = jbpmContext.getGraphSession(); ProcessDefinition processDefinition = graphSession.findLatestProcessDefinition("simple1"); ProcessInstance processInstance = new ProcessInstance(processDefinition); Token token = processInstance.getRootToken(); token.signal(); but problem is when i am calling token.signal() it is giving an exception " couldn't load delegation class 'org.gss.jbpm.MessageActionHandler' " java.lang.ClassNotFoundException: class 'org.gss.jbpm.MessageActionHandler' could not be found by the process classloader I am unable to call ActionHandler class which is configured in my processdefinition.xml can any body help me View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4132504#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...