Copying the task tutorial I can run it within jBoss. However, when
I added some persistence (just like to comments say), it blows up.

Would some please comment on why this code dies on line 114.

jBPM v3.0.2

Note: the xml is twikked for display

71 System.out.println( "Creating task workflow..." );
72 ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
73 "< process-definition name='the baby process'>" +
74 " < start-state>" +
75 " < transition name='baby cries' to='waitfordad' />" +
76 " < /start-state>" +
77 " < task-node name='waitfordad'>" +
78 " < task name='change nappy'>" +
79 " < assignment class='workflow.task.NappyAssignmentHandler' />" +
80 " < /task>" +
81 " < transition to='end' />" +
82 " < /task-node>" +
83 " < end-state name='end' />" +
84 "< /process-definition>"
85 );
86
87 ProcessInstance processInstance =
88 new ProcessInstance(processDefinition);
89 Token token = processInstance.getRootToken();
90
91 token.signal();
92 System.out.println( "We are at node: " + token.getNode().getName() );
93
94 long pid = processInstance.getId();
95
96 System.out.println( "Saving process instance... pid = " + pid);
97 jbpmSession.beginTransaction();
98 gs.saveProcessInstance( processInstance );
99 jbpmSession.close();
100
101 System.out.println( "Cleared and done...");
102 processInstance = null;
102
103 //------------------
104
105 jbpmSession = JbpmSessionFactory.getInstance().openJbpmSession();
106 gs = jbpmSession.getGraphSession();
107
108 System.out.println( "Loading process instance from ID...");
109 processInstance = gs.loadProcessInstance( pid );
110
111 TaskInstance taskInstance = (TaskInstance)
112 processInstance
113 .getTaskMgmtInstance()
114 .getTaskInstances()
115 .iterator().next();
116
117 System.out.println( "Task Instance assigned to " +
118 taskInstance.getActorId() );
119