Cancel Task Assignment after Exception?

Hello,
I'm trying to model a parallel workflow by placing two User Tasks (SimpleWorkflow) in a Flow component.
The requirement is as soon as one of the two assigned users rejects the task, the process should immediately abort.
I achieved this by throwing an exception in the Reject branch, and catch it at the top level.
Now my problem is, when user A says Reject, the exception is thrown and caught, and the process comes to the end, but if user B logs in to the Worklist Application, the task is still visible and pending:(
This behaviour doesn't seem consistent to me, have a done something wrong? Is there a way to cancel all user tasks assigned in a process as soon as the process ends?
p.s. I can not use the Parallel Workflow pattern because user A and user B have different view of the workflow data and the JSP has to be designed individually, while in Parallel Workflow pattern, all users have the same view of the data (single JSP).
Any help will be appreciated and thanks in advance.
ZHU Jia

OK, it seems that adding a Terminate at the end of my catch block does the trick.

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I have a process with an approval activity with initial user selection set to a group rather than a specific user. I want all selected users to receive an email notification that a new task awaits them. When I assign to a specific user, the custom email template is sent to the user. When I assign to a group, the group members don't get the task assignment email.
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I am trying to understand how the assignment tab works. In process Def, I have a task, like create user. That has a assignment tab which has one entry in it. It has escalation time and a Default Rule. I entered an escalation time of 10 mins and then proceeded to create another entry below that. However, it says it needs a rule and the Default rule is not applicable since its already used by the first entry.
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Hi All ,
We have developed a 3 level approval SOA composite which sends the 1st level approval to a Manager and once Manager approves the request, the approval task is assigned to a 2nd level approver role(Group) for approval and after the approval from 2nd level approver group , the approval task is assigned to a 3rd level approver group .
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Is this normal? "There are currently no approval tasks assigned to you."

Our site owners encounter the following situation:
- We are using sites based on "Publishing site with workflow" template.
- We have used Owners (Permission Level=Full Control) for site managers and Visitors (Permission Level=Read) for everyone on domain. We also did not add usernames directly, but instead used an AD group (which was added to the SharePoint Owners group).
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In this situation when someone from Owners grope creates a page and clicks Submit, he sees Approve and Reject buttons. However he is not able to Approve either Reject and gets "There are currently no approval tasks assigned to you".
I have added the AD group we have used for Owners to Approvers group, the site manages still were not able to Approve (with same error message).
The situation finally got fixed after I have added a user directly with his username to the SP Approvers group. Adding any user directly with his/her username fixes this partially: then the task is indeed created, but someone from Owner group (that was not
in Approvers group when task was created) still can not approve by clicking on Approve button, but he can take over the Task from Task List and then approve...
To my knowledge all this happened because there was indeed no approval task created (that is what actually error indicates). But still I am little bit confused about 2 things:
- Why someone with Full Control permission can not approve/reject a page (in the end that is just an item from the list with a workflow activated on it)
- Why there were no task created (I would expect that if there is no one in Approvers group, the tasks would be created for other users with Approve permissions, for example through Full Control right; also situation when there was an AD group is strange,
why not to create a task assigned to that AD group).
Just wondering about other thoughts on this behaviour.
Thanks in advance!
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Hi Tofig,
As you rightly said, this behaviour is by design.
As far as I understand, the owners need not be given the approver permission considering them to be mostly from technical background. They may not necessarily be good at content authoring and design and keeping them away from the approver group may
avoid any language related goof-ups (punctuations, grammatical errors etc.)
On the other hand, if they are good at content authoring, the site owners can be included in the Approver group, to avoid getting this message. This message also goes away once any of the user under Approver group, approves the changes.
Cheers :)
LM

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RE: Cancelling tasks

How about creating two tasks to solve your problem? One is the main
task which spawns another child task which you are really interested (a
long synchronous task), then the main task goes to the event loop. If
you want to kill the child task, you just use the SetCancel(TaskPolicy =
SH_TP_TASKANDCHILDREN) to kill the main task and the child task.
Hope this helps.
Tien Wang
Indus Consultancy Services
[email protected]
Code example:
Method: mainTask
Start task LongSynchonousTask
Event Loop
when task.Shutdown do
exit;
End Event;
In your program, some where you can call:
aTaskDesc: TaskDesc = Start Task mainTask;
If you need to cancel the task, just do
aTaskDesc.SetCancel(TaskPolicy = SH_TP_TASKANDCHILDREN)
-----Original Message-----
From: owner-forte-users [SMTP:[email protected]]
Sent: Wednesday, September 24, 1997 1:56 PM
To: Forte Newsgroup Submission
Subject: Cancelling tasks
I've tried out some of the suggested implementations for cancelling
tasks using TaskDesc.SetCancel() and CancelException.
This works great when you are cancelling a process that is
executing an event loop. However, how do I cancel a task that
is simply taking too long to complete processing a synchronous
task which is not using an event loop?
THank you,
Keith

We have a situation where the user clicks on a button to start a long
retrieve process. During the retrieve process the task is not in an event
loop. However, the user may wish to cancel the retrieve process at any
point. What we did was to start the retrieve process as a new task with
return and exception events. The main task stores the task handle for
this new task and then displays a new window which has a cancel button.
The main task now runs this window's event loop. If the cancel button is
pressed the setcancel() method is called on the new task's handle.
Besides this the event loop also waits for return & exception events from
the new task. Once any of these happens the event loop is exited and one
goes back to normal processing. We also modified the code of the retrieve
process to catch the CancelException in the exception block. This allows
it to do any clean up required before it terminates.
Hope this helps.
Regards,
Sanjay Murthi
Indus Consultancy Services
[email protected]
From: Keith Kroeger
Sent: Saturday, September 27, 1997 12:04 PM
To: Forte Newsgroup Submission
Cc: murthis; vasasm; chandraa
Subject: Cancelling tasks
MCI Mail date/time: Wed Sep 24, 1997 11:58 am EST
Source date/time: Wed, 24 Sep 1997 13:55:55 -0500
I've tried out some of the suggested implementations for cancelling
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This works great when you are cancelling a process that is
executing an event loop. However, how do I cancel a task that
is simply taking too long to complete processing a synchronous
task which is not using an event loop?
THank you,
Keith

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How to get group key from a task assignment adapter

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Senario:
I have two groups, say G1 and G2.
One Access policy, say P. (This access policy is associated with AD resource.)
AD Resource Object R.
I have defined an Approval process for Resource R.
Access policy P is assigned to both Group G1 and G2.
This Access Policy P is linked to Resource R
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Within my adapter, I want to get the group key, which cause to fires this approval process. ( It may be G1's key or G2's key. )
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Edited by: thirlk on Jun 28, 2009 10:55 PM

See this thread
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