Red Hat Bugzilla – Bug 1024116
two non-identical bugs are reported as identical
Last modified: 2015-06-29 08:45:02 EDT
Description of problem:
Bug 1024076 is considered by abrt to be bug 1021507. See bug 1021507 comment 20.
Version-Release number of selected component (if applicable):
Thank you for the report. This is a consequence of machine based comparison of backtraces. While searching for duplicate reports, the bugzilla reporter tries to find a bug having a value of abrt_hash from Whiteboard equal to a value of duphash element from the reported exception. In case of anaconda bugs the duphash is generated by python-meh  and it seems that python-meh's duphash generator does not produce sufficiently unique hashes. The algorithm hashes only function, file and text  but this is not enough for exceptions thrown by blivet. It seems that all exceptions which are generated in blivets's command handler are caught, wrapped and re-thrown as an instance of DeviceCreateError exception . The simplest solution is to add reported exception's text to the hashed bytes but this will generate different hashes for same exceptions throw in different localizations.
IMO, there are only two reliable solutions:
1. extend Python's Exception model with some mechanism providing an unique identifier for all exception instances
2. show users possible duplicate reports and let them decide which one is real duplicate
I prefer the second solution since the first is Utopia. Or we can preserve the current state where package maintainer asks reporters to open a separate bug.
Any thoughts on that?
CCing David Lehman because of bug 1021507 comment 20.
David, would it be possible to not wrap all exceptions in DeviceCreateError type?
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