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https://issues.apache.org/jira/browse/HDFS-11736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15991849#comment-15991849
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Konstantin Shvachko commented on HDFS-11736:
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We should instead use something based on {{GenericTestUtils.getTestDir()}} or
{{GenericTestUtils.getRandomizedTestDir()}}.
For OIV directory in particular we can simply create a directory inside
NameNode directory, where it actually belongs.
{{MiniDFSCluster.getNameNodeDirectory()}} is based on {{getTestDir()}} already.
> OIV tests should not write outside 'target' directory.
> ------------------------------------------------------
>
> Key: HDFS-11736
> URL: https://issues.apache.org/jira/browse/HDFS-11736
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.6.0
> Reporter: Konstantin Shvachko
> Labels: newbie++, test
>
> A few tests use {{Files.createTempDir()}} from Guava package, but do not set
> {{java.io.tmpdir}} system property. Thus the temp directory is created in
> unpredictable places and is not being cleaned up by {{mvn clean}}.
> This was probably introduced in {{TestOfflineImageViewer}} and then
> replicated in {{TestCheckpoint}}, {{TestStandbyCheckpoints}}.
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