[jira] [Commented] (YARN-535) TestUnmanagedAMLauncher can corrupt target/test-classes/yarn-site.xml during write phase, breaks later test runs

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14082297#comment-14082297 ] 

Hadoop QA commented on YARN-535:
--------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12583010/YARN-535-02.patch
  against trunk revision .

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4507//console

This message is automatically generated.

> TestUnmanagedAMLauncher can corrupt target/test-classes/yarn-site.xml during write phase, breaks later test runs
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-535
>                 URL: https://issues.apache.org/jira/browse/YARN-535
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: applications
>    Affects Versions: 3.0.0
>         Environment: OS/X laptop, HFS+ filesystem
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>         Attachments: YARN-535-02.patch, YARN-535.patch
>
>
> the setup phase of {{TestUnmanagedAMLauncher}} overwrites {{yarn-site.xml}}. As {{Configuration.writeXml()}} does a reread of all resources, this will break if the (open-for-writing) resource is already visible as an empty file. 
> This leaves a corrupted {{target/test-classes/yarn-site.xml}}, which breaks later test runs -because it is not overwritten by later incremental builds, due to timestamps.



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