TaskService service = new TaskService(jbpmTaskEntityManagerFactoryJbpmTask, null);
The constructor of TaskService like: TaskService(EntityManagerFactory emf,SystemEventListener systemEventListener)
how i to set the SystemEventListener?
TaskServiceSession session = new TaskServiceSession(service, jbpmTaskEntityManagerFactoryJbpmTask.createEntityManager());
LocalTaskService taskService = new LocalTaskService(session);