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From "Akira AJISAKA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11733) mvn clean does not clean /tmp
Date Wed, 25 Mar 2015 05:48:54 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14379342#comment-14379342

Akira AJISAKA commented on HADOOP-11733:

bq. +1 for tracking down the individual tests that write to /tmp and changing them to write
to the directory defined by the {{test.build.dir}} system property.
Make sense to me but I'm thinking the cause of this issue is different.
* For hadoop-root, property "hadoop.tmp.dir" is set to /tmp/hadoop-${user.name} by default,
so some files are created in /tmp. We should override the configuration in tests.
* For hsperfdata_root, I'm thinking it's a java issue. You can change {{java.io.tmpdir}} to
the directory different from /tmp to avoid the issue.
* For Jetty and hdfs-nfs, we should change some configurations to avoid writing to /tmp. Now
I'm not sure what configuration to change.

> mvn clean does not clean /tmp
> -----------------------------
>                 Key: HADOOP-11733
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11733
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: build, test
>    Affects Versions: 2.6.0
>         Environment: All
>            Reporter: Tony Reix
>            Assignee: Akira AJISAKA
>            Priority: Minor
> When Hadoop tests are run, files and directories are created in /tmp .
> Many (or all) of them are not cleaned when running "mvn clean".
> This generates an issue when tests were previously run (by mistake) as root and then
run again as a non-root user, since directories (like: .hdfs-nfs hadoop-root hsperfdata_root)
cannot be written by second test run.
> List of files/directories that seem to be created in /tmp when testing Hadoop:
>    Jetty* *test *deferred .hdfs-nfs hadoop-root hsperfdata_root
> and that should be cleaned after tests.

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