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https://issues.apache.org/jira/browse/HIVE-13894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15308605#comment-15308605
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Sergio Peña commented on HIVE-13894:
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All issues we have seen with java8 are order issues on.q.out files only. This
is due to a change in the HashMap implementation that Java8 did. To fix the
problem, we had to use LinkedHashMap in some places, or just change the order
of the .q.out file (that seems easier). Even if we use LinkedHashMap, we had to
re-order the .q.out file.
This was one of the reasons to move to JDK8 as default (as JDK7 is deprecated)
so that we reduce the maintenance work on these .q.out files.
> Fix more json related JDK8 test failures Part 2
> -----------------------------------------------
>
> Key: HIVE-13894
> URL: https://issues.apache.org/jira/browse/HIVE-13894
> Project: Hive
> Issue Type: Bug
> Reporter: Mohit Sabharwal
> Assignee: Mohit Sabharwal
> Attachments: HIVE-13894.patch
>
>
> After merge of java8 branch to master, some more json ordering related
> failures
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