Problem with user task

Question

Hello all,
we're working with Oracle BPEL Process Manager 10.1.2 (JBoss 3.2.6) on Windows XP (jdk 1.4.2_03).
I've successfully run many examples provided with this distribution (e.g LoanFlowPlus demo).
However when we try to build a BPEL process with user tasks defined, we are able to launch task, but when we complete such tasks nothing happens, and onTaskResult method is never called.
This is the code we use to complete a task (Task are completed from web pages):
String _taskId = request.getParameter("TaskId");
IWorklistService worklist = (IWorklistService)          locator.lookupService(IWorklistService.SERVICENAME);
ITask task = worklist.lookupTask(_taskId);
// getResponse returns a String
_task.setConclusion(getResponse());
// getAttachment returns a XML Document                         
_task.setAttachment(getAttachment());
worklist.completeTask(task);
After these sentences are performed such task is not returned when _worklist.listTasksByAssignee("[email protected]") is performed, but onTaskResult is never called. No error messages are shown.
Any idea?
Thanks.
Javi

Answer 1

I've found a possible cause for this weird problem.
It only happens when completeTask is called and somebody has the flow view page on the BPEL Console open.
If nobody is browsing through the BPELConsole web environment task are completed successfully...
¿?