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https://issues.apache.org/jira/browse/HIVE-4349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13645721#comment-13645721
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Xi Fang commented on HIVE-4349:
-------------------------------
Thanks for your comments, Carl.
We attached this patch, because unit tests currently fail on Windows and we are
looking for a short term solution to help unblock Windows development. The root
issue is that the current logic of adding all JARS individually to the
CLASSPATH easily breaks on Windows. We have had several people run into this
issue and it is a pain point.
Could you tell us how near term is the fix to automatically build the
CLASSPATH, as you pointed out that in the near future we are going to stop
manually constructing the CLASSPATH?
This failure is currently specific to unit tests. The limit 12 characters is
just a rough estimation because different projects use different numbers of
JARS. Tomorrow we could add more JARS to the CLASSPATH as the project grows and
even an 11 character enlistment wouldn’t be good enough. Also for custom Hive
deployments it is possible that we need to add other JARS to the CLASSPATH
(such as SERDEs etc). The patch attached can make the Hive unit tests work well
currently.
Could you clarify a little bit more about your proposal? Is using lvy or Maven
in the near future going to solve this problem automatically, or you want a
more generic solution to this kind of problem (now or after Ivy is used to
construct the CLASSPATH)?
> Fix the Hive unit test failures when the Hive enlistment root path is longer
> than ~12 characters
> ------------------------------------------------------------------------------------------------
>
> Key: HIVE-4349
> URL: https://issues.apache.org/jira/browse/HIVE-4349
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.11.0
> Reporter: Xi Fang
> Fix For: 0.11.0
>
> Attachments: HIVE-4349.1.patch
>
>
> If the Hive enlistment root path is longer than 12 chars then test classpath
> “hadoop.testcp” is exceeding the 8K chars so we are unable to run most of the
> Hive unit tests on Windows.
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