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https://issues.apache.org/jira/browse/TAJO-1440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14374942#comment-14374942
]
Dongjoon Hyun commented on TAJO-1440:
-------------------------------------
At this time, I rebooted my labtop and ran the test 5 times with redirection
stdin/stderr together for detail reports.
However, they suceeded.
```
mvn clean install -Pparallel-test,hcatalog-0.12.0 -DLOG_LEVEL=ERROR
-Dmaven.fork.count=2 &> TAJO-1440.travis.log.ERROR.txt
mvn clean install -Pparallel-test,hcatalog-0.12.0 -DLOG_LEVEL=ERROR
-Dmaven.fork.count=2 &> TAJO-1440.travis.log2.ERROR.txt
mvn clean install -Pparallel-test,hcatalog-0.12.0 -DLOG_LEVEL=ERROR
-Dmaven.fork.count=2 &> TAJO-1440.travis.log3.ERROR.txt
mvn clean install -Pparallel-test,hcatalog-0.12.0 -DLOG_LEVEL=ERROR
-Dmaven.fork.count=2 &> TAJO-1440.travis.log4.ERROR.txt
mvn clean install -Pparallel-test,hcatalog-0.12.0 -DLOG_LEVEL=ERROR
-Dmaven.fork.count=2 &> TAJO-1440.travis.log5.ERROR.txt
```
https://app.box.com/s/ycvfdinkg7tn469u7f9qsk9f9z1q7mv7
https://app.box.com/s/rlsirzszvjn5mvnaqup2aeh9slj88lq2
https://app.box.com/s/492256tt2x51j9wsvnvutva46sp56g2z
https://app.box.com/s/xc780kytenaet9jtzbgg9nls1ugdzfh5
https://app.box.com/s/fo3b6v49itiyeqliryetqm866dgoewhb
Only, I've got the following message, but I think it's normal.
```
$ grep AssertionError TAJO-1440*
TAJO-1440.travis.log3.ERROR.txt:java.lang.AssertionError:
expected:<QUERY_ERROR> but was:<QUERY_MASTER_LAUNCHED>
TAJO-1440.travis.log4.ERROR.txt:Exception in thread "Thread-11014"
java.lang.AssertionError: expected:<QUERY_ERROR> but was:<QUERY_MASTER_LAUNCHED>
```
[~jihoonson], I will try more with redirecting stdin only again. (it's the same
condition at the first time I met that error).
> Some tests fail in parallel test environment
> --------------------------------------------
>
> Key: TAJO-1440
> URL: https://issues.apache.org/jira/browse/TAJO-1440
> Project: Tajo
> Issue Type: Bug
> Components: test
> Affects Versions: 0.10.0
> Reporter: Jongyoung Park
> Assignee: Jongyoung Park
> Priority: Blocker
>
> Running following command, test process often fails.
> bq. mvn clean install -Pparallel-test,hcatalog-0.12.0 -DLOG_LEVEL=ERROR
> -Dmaven.fork.count=2
> But it is not 100% failure rate.
> It looks like a concurrency problem.
> The reason why is :
> # When INFO instead of ERROR for log level is used, it doesn't seem that it
> happens.
> # Only it happens in parallel test.
> Usual failure spot is at TestKillQuery.
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