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https://issues.apache.org/jira/browse/YARN-2519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14124907#comment-14124907
 ] 

Hudson commented on YARN-2519:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #1889 (See 
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1889/])
YARN-2519. Credential Provider related unit tests failed on Windows. 
Contributed by Xiaoyu Yao. (cnauroth: rev 
cbea1b10efd871d04c648af18449dc724685db74)
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/webapp/util/TestWebAppUtils.java


> Credential Provider related unit tests failed on Windows
> --------------------------------------------------------
>
>                 Key: YARN-2519
>                 URL: https://issues.apache.org/jira/browse/YARN-2519
>             Project: Hadoop YARN
>          Issue Type: Test
>          Components: webapp
>    Affects Versions: 2.4.1
>            Reporter: Xiaoyu Yao
>            Assignee: Xiaoyu Yao
>             Fix For: 2.6.0
>
>         Attachments: YARN-2519.0.patch
>
>
> Reported by: Xiaomara and investigated by Chris Nauroth.
> The credential provider related unit tests failed on Windows. The tests try 
> to set up a URI by taking the build test directory and concatenating it with 
> other strings containing the rest of the URI format, i.e.:
> {code}
>   public void testFactory() throws Exception {
>     Configuration conf = new Configuration();
>     conf.set(CredentialProviderFactory.CREDENTIAL_PROVIDER_PATH,
>         UserProvider.SCHEME_NAME + ":///," +
>             JavaKeyStoreProvider.SCHEME_NAME + "://file" + tmpDir + 
> "/test.jks");
> {code}
> This logic is incorrect on Windows, because the file path separator will be 
> '\', which violates URI syntax. Forward slash is not permitted.
> The proper fix is to always do path/URI construction through the 
> org.apache.hadoop.fs.Path class, specifically using the constructors that 
> take explicit parent and child arguments.
> The affected unit tests are:
> {code}
> * TestWebAppUtils
> {code}



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