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https://issues.apache.org/jira/browse/HDFS-6065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13923334#comment-13923334
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Hadoop QA commented on HDFS-6065:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12633231/HDFS-6065.002.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 2 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 core tests{color}. The patch failed these unit tests in
hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs:
org.apache.hadoop.cli.TestAclCLI
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/6328//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6328//console
This message is automatically generated.
> HDFS zero-copy reads should return null on EOF when doing ZCR
> -------------------------------------------------------------
>
> Key: HDFS-6065
> URL: https://issues.apache.org/jira/browse/HDFS-6065
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Affects Versions: 2.4.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HDFS-6065.001.patch, HDFS-6065.002.patch
>
>
> It would be nice if the HDFS zero-copy reads mechanism returned an empty
> buffer on EOF. Currently, it throws UnsupportedOperationException on EOF
> when using zero-copy reads, which seems confusing.
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