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https://issues.apache.org/jira/browse/FLINK-2156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14948336#comment-14948336
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ASF GitHub Bot commented on FLINK-2156:
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Github user chiwanpark commented on the pull request:
https://github.com/apache/flink/pull/1234#issuecomment-146465380
If we need to parallelize tests run by scalatest, the test cases should
extend
[ParallelTestExecution](http://doc.scalatest.org/2.2.4/index.html#org.scalatest.ParallelTestExecution).
But I think that we don't need to parallelize test yet.
> Scala modules cannot create logging file
> ----------------------------------------
>
> Key: FLINK-2156
> URL: https://issues.apache.org/jira/browse/FLINK-2156
> Project: Flink
> Issue Type: Bug
> Components: Build System
> Affects Versions: 0.10
> Reporter: Till Rohrmann
> Labels: starter
> Fix For: 0.10
>
>
> The Scala only modules {{flink-scala-shell}} and {{flink-ml}} use Maven's
> scalatest plugin to run their tests. The scalatest plugin has no
> {{forkNumber}}, though. Therefore, the logging fails to create the logging
> file as specified in the {{log4j-travis.properties}} file.
> We can fix this issue by giving these two modules different
> {{log4j.properties}} files which don't require a {{forkNumber}}. Or we fix
> the {{forkNumber}} to 1.
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