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https://issues.apache.org/jira/browse/HDFS-6143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13961714#comment-13961714
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Hadoop QA commented on HDFS-6143:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12638943/HDFS-6143-branch-2.4.0.v01.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 1 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:green}+1 core tests{color}. The patch passed unit tests in
hadoop-hdfs-project/hadoop-hdfs.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/6600//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6600//console
This message is automatically generated.
> WebHdfsFileSystem open should throw FileNotFoundException for non-existing
> paths
> --------------------------------------------------------------------------------
>
> Key: HDFS-6143
> URL: https://issues.apache.org/jira/browse/HDFS-6143
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.3.0
> Reporter: Gera Shegalov
> Assignee: Gera Shegalov
> Priority: Blocker
> Attachments: HDFS-6143-branch-2.4.0.v01.patch,
> HDFS-6143-trunk-after-HDFS-5570.v01.patch, HDFS-6143.v01.patch,
> HDFS-6143.v02.patch, HDFS-6143.v03.patch, HDFS-6143.v04.patch,
> HDFS-6143.v04.patch, HDFS-6143.v05.patch, HDFS-6143.v06.patch
>
>
> WebHdfsFileSystem.open and HftpFileSystem.open incorrectly handles
> non-existing paths.
> - 'open', does not really open anything, i.e., it does not contact the
> server, and therefore cannot discover FileNotFound, it's deferred until next
> read. It's counterintuitive and not how local FS or HDFS work. In POSIX you
> get ENOENT on open.
> [LzoInputFormat.getSplits|https://github.com/kevinweil/elephant-bird/blob/master/core/src/main/java/com/twitter/elephantbird/mapreduce/input/LzoInputFormat.java]
> is an example of the code that's broken because of this.
> - On the server side, FileDataServlet incorrectly sends SC_BAD_REQUEST
> instead of SC_NOT_FOUND for non-exitsing paths
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