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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8939) Test(S)WebHdfsFileContextMainOperations failing on branch-2
Date Fri, 04 Sep 2015 01:02:46 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14730125#comment-14730125

Hudson commented on HDFS-8939:

FAILURE: Integrated in Hadoop-Mapreduce-trunk #2291 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2291/])
HDFS-8939. Test(S)WebHdfsFileContextMainOperations failing on branch-2. Contributed by Chris
Nauroth. (jghoman: rev c2d2c1802a11e3e11a953b23b0eccbf4d107de59)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/fs/SWebHdfs.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/fs/WebHdfs.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

> Test(S)WebHdfsFileContextMainOperations failing on branch-2
> -----------------------------------------------------------
>                 Key: HDFS-8939
>                 URL: https://issues.apache.org/jira/browse/HDFS-8939
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: webhdfs
>    Affects Versions: 2.8.0
>            Reporter: Jakob Homan
>            Assignee: Chris Nauroth
>             Fix For: 2.8.0
>         Attachments: HDFS-8939-branch-2.001.patch, HDFS-8939-branch-2.002.patch, HDFS-8939-branch-2.003.patch,
> After HDFS-8180, TestWebHdfsFileContextMainOperations and TestSWebHdfsFileContextMainOperations
are failing with runtime NPEs while instantiating the wrapped WebHDFSFileSystems because {{getDefaultPort}}
is trying to access a conf that was never provided.  In the constructor both both WebHdfs
and SWebhdfs the underlying (S)WebHdfsFileSystems are instantiated in the constructor and
never have a chance to have their {{setConf}} methods called:
> {code}  SWebHdfs(URI theUri, Configuration conf)
>       throws IOException, URISyntaxException {
>     super(theUri, new SWebHdfsFileSystem(), conf, SCHEME, false);
>   }r{code}
> The test passes on trunk because HDFS-5321 removed the call to the Configuration instance
as part of {{getDefaultPort}}.  HDFS-5321 was applied to branch-2 but reverted in HDFS-6632,
so there's a bit of a difference in how branch-2 versus trunk handles default values (branch-2
pulls them from configs if specified, trunk just returns the hard-coded value from the constants
> I've fixed this behave like trunk and return just the hard-coded value, which causes
the test to pass.
>   There is no WebHdfsFileSystem that takes a Config, which would be another way to fix

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