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https://issues.apache.org/jira/browse/HIVE-14329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15396221#comment-15396221
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Zoltan Haindrich commented on HIVE-14329:
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contains: fix for {{StatsSetupConst#setBasicStatsState}}: failed to upgrade&set
basic stats status
> fix flapping qtests - because of output string ordering
> -------------------------------------------------------
>
> Key: HIVE-14329
> URL: https://issues.apache.org/jira/browse/HIVE-14329
> Project: Hive
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Minor
>
> it's a bit annoying to see some tests come and go in testresults; for example:
> https://builds.apache.org/job/PreCommit-HIVE-MASTER-Build/631/testReport/org.apache.hadoop.hive.cli/TestCliDriver/testCliDriver_stats_list_bucket/history/
> These tests fail occasionally because of the ordering is different in the map.
> The usual cause of these failures is a simple hashmap in
> {{MetaDataFormatUtils}}:
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/metadata/formatting/MetaDataFormatUtils.java#L411
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