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https://issues.apache.org/jira/browse/MAPREDUCE-6549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wilfred Spiegelenburg updated MAPREDUCE-6549:
---------------------------------------------
Status: Patch Available (was: Open)
Updated the patch to fix the NPE in the
testUncompressedInputCustomDelimiterPosValue
Checked the license, findbugs and other junit test failures and they are not
related to the changes from this patch
> multibyte delimiters with LineRecordReader cause duplicate records
> ------------------------------------------------------------------
>
> Key: MAPREDUCE-6549
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6549
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv1, mrv2
> Affects Versions: 2.7.2
> Reporter: Dustin Cote
> Assignee: Wilfred Spiegelenburg
> Attachments: MAPREDUCE-6549-1.patch, MAPREDUCE-6549-2.patch,
> MAPREDUCE-6549.3.patch
>
>
> LineRecorderReader currently produces duplicate records under certain
> scenarios such as:
> 1) input string: "abc+++def++ghi++"
> delimiter string: "+++"
> test passes with all sizes of the split
> 2) input string: "abc++def+++ghi++"
> delimiter string: "+++"
> test fails with a split size of 4
> 2) input string: "abc+++def++ghi++"
> delimiter string: "++"
> test fails with a split size of 5
> 3) input string "abc+++defg++hij++"
> delimiter string: "++"
> test fails with a split size of 4
> 4) input string "abc++def+++ghi++"
> delimiter string: "++"
> test fails with a split size of 9
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