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I'm using jBPM5.3 now. I use JPA to persist KnowledgeSession infomation.I use my custome WorkItemHandler to replace the default MinaHTWorkItemHandler or WSHumanTaskHandler for user task node.My custom WorkItemHandler code as below:

public void executeWorkItem(WorkItem workItem, WorkItemManager manager) {
 
 
 
 
DefaultTask task=new DefaultTask();
 
 
 
 
task.setNodeInstanceId(this.getNodeInstance(workItem).getId());
 
 
 
 
task.setWorkItemId(workItem.getId());
 
 
 
 
task.setName(workItem.getName());
 
 
 
 
 
 
 
 
task.setOwner((String)workItem.getParameter("ActorId"));
 
 
 
 
task.setCmnt((String)workItem.getParameter("Comment"));
 
 
 
 
task.setState(TaskState.created);
 
 
 
 
task.setCreate(new Date());
 
 
 
 
task.setProcessInstanceId(workItem.getProcessInstanceId());
 
 
 
 
task.setSessionId(this.getSession().getId());
 
 
 
 
this.getNodeInstance(workItem);
 
 
 
 
taskManager.addTask(task);//persistent task info to db
 
 
}
 
 

Now,I want to back to previous node from current user task node with programming type,non modeling type.Thanks.