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https://issues.apache.org/jira/browse/FLINK-5546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15839107#comment-15839107
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ASF GitHub Bot commented on FLINK-5546:
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Github user shijinkui commented on the issue:
https://github.com/apache/flink/pull/3190
" /tmp/cacheFile (Permission denied)" exception of unit test can be replay.
1. on linux env, `sudo - userA`, clone the flink code, start to `mvn clean
test verify`
2. on the linux machine, `sudo - userB`, clone the flink codebase, same
start to `mvn clean test verify`
Because two use share the same `/tmp` directory which have no random sub
directory.
IMO, `/tmp` change to `${project.build.directory}`, at same time have
random suffix. This can resolve the problem thoroughly.
> java.io.tmpdir setted as project build directory in surefire plugin
> -------------------------------------------------------------------
>
> Key: FLINK-5546
> URL: https://issues.apache.org/jira/browse/FLINK-5546
> Project: Flink
> Issue Type: Test
> Affects Versions: 1.2.0, 1.3.0
> Environment: CentOS 7.2
> Reporter: Syinchwun Leo
> Assignee: shijinkui
>
> When multiple Linux users run test at the same time, flink-runtime module may
> fail. User A creates /tmp/cacheFile, and User B will have no permission to
> visit the fold.
> Failed tests:
> FileCacheDeleteValidationTest.setup:79 Error initializing the test:
> /tmp/cacheFile (Permission denied)
> Tests in error:
> IOManagerTest.channelEnumerator:54 ยป Runtime Could not create storage
> director...
> Tests run: 1385, Failures: 1, Errors: 1, Skipped: 8
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