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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3577) webHdfsFileSystem fails to read files with chunked transfer encoding
Date Sat, 14 Jul 2012 20:13:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13414488#comment-13414488
] 

Hadoop QA commented on HDFS-3577:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12536511/h3577_20120714.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 1 new or modified test files.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.server.namenode.TestBackupNode
                  org.apache.hadoop.hdfs.server.blockmanagement.TestBlocksWithNotEnoughRacks

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/2824//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2824//console

This message is automatically generated.
                
> webHdfsFileSystem fails to read files with chunked transfer encoding
> --------------------------------------------------------------------
>
>                 Key: HDFS-3577
>                 URL: https://issues.apache.org/jira/browse/HDFS-3577
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs client
>    Affects Versions: 2.0.0-alpha
>            Reporter: Alejandro Abdelnur
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Blocker
>         Attachments: h3577_20120705.patch, h3577_20120708.patch, h3577_20120714.patch
>
>
> If reading a file large enough for which the httpserver running webhdfs/httpfs uses chunked
transfer encoding (more than 24K in the case of webhdfs), then the WebHdfsFileSystem client
fails with an IOException with message *Content-Length header is missing*.
> It looks like WebHdfsFileSystem is delegating opening of the inputstream to *ByteRangeInputStream.URLOpener*
class, which checks for the *Content-Length* header, but when using chunked transfer encoding
the *Content-Length* header is not present and  the *URLOpener.openInputStream()* method thrown
an exception.

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