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https://issues.apache.org/jira/browse/HDFS-3577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13419396#comment-13419396
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Eli Collins commented on HDFS-3577:
-----------------------------------
Per offline conversation with Daryn the reason this isn't an issue is that
HDFS-3166 (Add timeout to Hftp connections) isn't in branch-1 (w/o the timeout
we just get a 200s lag, not a failure) and 3166 exposed HDFS-3318 (Hftp hangs
on transfers >2GB) which introduces the check that will fail if the content
length header is not set (ie 20.x).
> 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, 2.1.0-alpha
>
> 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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