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https://issues.apache.org/jira/browse/HDFS-2034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13062024#comment-13062024
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Hadoop QA commented on HDFS-2034:
---------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12485740/HDFS-2034-5.patch
against trunk revision 1144100.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
+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 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 core unit tests:
org.apache.hadoop.hdfs.TestDFSShell
org.apache.hadoop.hdfs.TestHDFSTrash
+1 contrib tests. The patch passed contrib unit tests.
+1 system test framework. The patch passed system test framework compile.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/899//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HDFS-Build/899//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/899//console
This message is automatically generated.
> length in getBlockRange becomes -ve when reading only from currently being
> written blk
> --------------------------------------------------------------------------------------
>
> Key: HDFS-2034
> URL: https://issues.apache.org/jira/browse/HDFS-2034
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: John George
> Assignee: John George
> Priority: Minor
> Attachments: HDFS-2034-1.patch, HDFS-2034-1.patch, HDFS-2034-2.patch,
> HDFS-2034-3.patch, HDFS-2034-4.patch, HDFS-2034-5.patch, HDFS-2034.patch
>
>
> This came up during HDFS-1907. Posting an example that Todd posted in
> HDFS-1907 that brought out this issue.
> {quote}
> Here's an example sequence to describe what I mean:
> 1. open file, write one and a half blocks
> 2. call hflush
> 3. another reader asks for the first byte of the second block
> {quote}
> In this case since offset is greater than the completed block length, the
> math in getBlockRange() of DFSInputStreamer.java will set "length" to
> negative.
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