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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3318) Hftp hangs on transfers >2GB
Date Tue, 24 Apr 2012 23:34:06 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13261141#comment-13261141
] 

Hadoop QA commented on HDFS-3318:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12524067/HDFS-3318.patch
  against trunk revision .

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

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

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

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

    +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:
                  org.apache.hadoop.hdfs.web.TestOffsetUrlInputStream
                  org.apache.hadoop.fs.TestUrlStreamHandler
                  org.apache.hadoop.hdfs.TestByteRangeInputStream

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/2324//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2324//console

This message is automatically generated.
                
> Hftp hangs on transfers >2GB
> ----------------------------
>
>                 Key: HDFS-3318
>                 URL: https://issues.apache.org/jira/browse/HDFS-3318
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs client
>    Affects Versions: 0.24.0, 0.23.3, 2.0.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Blocker
>         Attachments: HDFS-3318.patch
>
>
> Hftp transfers >2GB hang after the transfer is complete.  The problem appears to be
caused by java internally using an int for the content length.  When it overflows 2GB, it
won't check the bounds of the reads on the input stream.  The client continues reading after
all data is received, and the client blocks until the server times out the connection -- _many_
minutes later.  In conjunction with hftp timeouts, all transfers >2G fail with a read timeout.

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