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https://issues.apache.org/jira/browse/HDFS-3577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13418253#comment-13418253
]
Hudson commented on HDFS-3577:
------------------------------
Integrated in Hadoop-Hdfs-0.23-Build #318 (See
[https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/318/])
svn merge -c 1362976 from trunk for HDFS-3577. In DatanodeWebHdfsMethods,
use MessageBodyWriter instead of StreamingOutput, otherwise, it will fail to
transfer large files. (Revision 1362981)
Result = SUCCESS
szetszwo :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1362981
Files :
* /hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/resources/DatanodeWebHdfsMethods.java
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/resources/OpenEntity.java
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHdfsFileSystemContract.java
> WebHdfsFileSystem can not read files larger than 24KB
> -----------------------------------------------------
>
> Key: HDFS-3577
> URL: https://issues.apache.org/jira/browse/HDFS-3577
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs client
> Affects Versions: 0.23.3, 2.0.0-alpha
> Reporter: Alejandro Abdelnur
> Assignee: Tsz Wo (Nicholas), SZE
> Priority: Blocker
> Fix For: 0.23.3
>
> Attachments: h3577_20120705.patch, h3577_20120708.patch,
> h3577_20120714.patch, h3577_20120716.patch, h3577_20120717.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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