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The first time an exception occurs, a dialog should open up for the user to report the bug. But if the same exception occurs multiple times in the same IDE session (before the IDE is shut down) then the Exception Reporter should automatically re-file the report. This will increment the number of duplicates but spare the user from having to re-enter the same information. Currently I get annoyed by repeated exceptions, so I just exit the Exception Reporter quickly. This means that very annoying bugs are getting under-reported and their priority isn't being escalated as it should.
I'm sorry Gili, when I went across the subject, I thought it's more like issue #253165. I will not make an automatic report of exceptions, since it can cause huge traffic and too many reports. Several reports should be sufficient to get the attention to the issue. If it's really severe, it's better to increase the priority manually. Resolving as won't fix as it can be too dangerous.
Perhaps you could resolve this similar to issue #253165: aggregate multiple reports, and send out a single report with a count every once in a while. What do you think?