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https://issues.apache.org/jira/browse/HIVE-2174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13036597#comment-13036597
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Carl Steinbach commented on HIVE-2174:
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If the "test" target has a dependency on "package", then this dependency should
be made explicit in build.xml. right now "test" indirectly depends on "jar",
which is why running 'ant test -Dtestcase=TestCliDriver
-Dqfile=bucketmapjoin1.q" fails.
Also, instead of modifying the "test" target dependencies, I think we should
instead try to adhere to ant conventions and instead modify the test.classpath
so that it will work after running the "jar" target.
> unit tests fail consistently when run according to instructions on "hive how
> to contribute" page.
> -------------------------------------------------------------------------------------------------
>
> Key: HIVE-2174
> URL: https://issues.apache.org/jira/browse/HIVE-2174
> Project: Hive
> Issue Type: Bug
> Components: Build Infrastructure, Testing Infrastructure
> Affects Versions: 0.7.1, 0.8.0
> Reporter: Patrick Hunt
> Assignee: Patrick Hunt
> Priority: Critical
>
> The unit tests fail consistently when run according to the doc on hive how to
> contribute page. Specifically if you:
> 1) checkout the code afresh (or 'git clean -xdf' - basically be sure to start
> with a _very_ clean slate)
> 2) ant clean test tar -logfile ant.log
> the tests will fail (you can run just bucketmapjoin1.q instead of all the
> tests, it exhibits this behavior). However if you instead do the following
> 2) ant clean package test tar -logfile ant.log
> the tests pass (notice the addition to package to the targets).
> I've tried this on 5 different systems (mix of linux 32/64 bit) and the
> result is consistent.
> Running
> ant clean test -Dtestcase=TestCliDriver -Dqfile=bucketmapjoin1.q
> I see the following reason for failure
> {quote}
> [junit] 743c743
> [junit] < numRows 0
> [junit] ---
> [junit] > numRows 464
> [junit] 773c773
> [junit] < numRows 0
> [junit] ---
> [junit] > numRows 464
> [junit] 793c793
> [junit] < numRows 0
> [junit] ---
> [junit] > numRows 464
> {quote}
> which leads me to believe it's a metastore issue (statistics?)
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