CompensableActivity & retrieve Exception

Question

Hi,

I've a TransactionScope within the body of a CompensableActivity.

In case of exception I want the TransactionScope to rollback the DB changes and I'd like the CompensationHandler to log the exception.

My CompensationHandler is not executed in case of exception. Why ?

How can I retrieve the exception from within the CompensationHandler ?

Thanks.

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philippe

Answer 1

Hi,

"The difference between exception handling and compensation is that exception handling occurs during the execution of an activity. Compensation occurs after an activity has successfully completed. Exception handling provides an opportunity to clean up after the activity raises the exception, whereas compensation provides a mechanism by which the successfully completed work of a previously completed activity can be undone."

You can use the OnUnhandledException event handler or TryCatch activity to handle exceptions. For more information, please refer to:

Exceptions

http://msdn.microsoft.com/en-us/library/dd489406.aspx

Thanks.

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Leo Tang [MSFT]
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