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https://issues.apache.org/jira/browse/DERBY-5406?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen resolved DERBY-5406.
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Resolution: Fixed
Fix Version/s: 10.9.0.0
Thanks for looking at the patch, Mike. I haven't come any closer to a good
solution for the underlying problem, so I agree that it's better to check in
the workaround for now. Committed revision 1234776.
Since multiple fixes have been checked in as part of this issue, and each of
them fixed actual problems, I think it is OK to mark this issue as resolved for
now. If more problems of similar nature surface, new and more specific bug
reports should be filed to get those problems fixed.
> Intermittent failures in CompressTableTest and TruncateTableTest
> ----------------------------------------------------------------
>
> Key: DERBY-5406
> URL: https://issues.apache.org/jira/browse/DERBY-5406
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.8.2.2, 10.9.0.0
> Reporter: Knut Anders Hatlen
> Assignee: Knut Anders Hatlen
> Fix For: 10.9.0.0
>
> Attachments: CompressAndPrepare.java,
> d5406-1a-detect-invalidation-during-compilation.diff, d5406-1b.diff,
> d5406-2a-invalidate-self.diff, d5406-3a.diff, d5406-4a-push-retry-logic.diff,
> d5406-4a-retry-on-conglomerate-error.diff
>
>
> The test cases CompressTableTest.testConcurrentInvalidation() and
> TruncateTableTest.testConcurrentInvalidation() fail intermittently with
> errors such as:
> ERROR XSAI2: The conglomerate (2,720) requested does not exist.
> The problem has been analyzed in the comments on DERBY-4275, and a patch
> attached to that issue (invalidation-during-compilation.diff) fixes the
> underlying race condition. However, that patch only works correctly together
> with the fix for DERBY-5161, which was backed out because it caused the
> regression DERBY-5280.
> We will therefore need to find a way to fix DERBY-5161 without reintroducing
> DERBY-5280 in order to resolve this issue.
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