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Posted to dev@crunch.apache.org by "Gabriel Reid (JIRA)" <ji...@apache.org> on 2013/04/05 21:31:16 UTC

[jira] [Created] (CRUNCH-191) Object reuse bug in o.a.c.lib.Distinct

Gabriel Reid created CRUNCH-191:
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             Summary: Object reuse bug in o.a.c.lib.Distinct
                 Key: CRUNCH-191
                 URL: https://issues.apache.org/jira/browse/CRUNCH-191
             Project: Crunch
          Issue Type: Bug
            Reporter: Gabriel Reid


A DoFn in the o.a.c.lib.Distinct class holds on to values in a local buffer, but doesn't deep copy the values where necessary. This can lead to unexpected issues with the well-known object-reuse bug, particularly if the same value is used by multiple DoFns.

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