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https://issues.apache.org/jira/browse/HDFS-3934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13666681#comment-13666681
]
Hadoop QA commented on HDFS-3934:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12584734/HDFS-3934.016.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}. The javadoc tool did not generate any
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-common-project/hadoop-common 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/4440//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/4440//console
This message is automatically generated.
> duplicative dfs_hosts entries handled wrong
> -------------------------------------------
>
> Key: HDFS-3934
> URL: https://issues.apache.org/jira/browse/HDFS-3934
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.0.1-alpha
> Reporter: Andy Isaacson
> Assignee: Colin Patrick McCabe
> Priority: Minor
> Attachments: HDFS-3934.001.patch, HDFS-3934.002.patch,
> HDFS-3934.003.patch, HDFS-3934.004.patch, HDFS-3934.005.patch,
> HDFS-3934.006.patch, HDFS-3934.007.patch, HDFS-3934.008.patch,
> HDFS-3934.010.patch, HDFS-3934.011.patch, HDFS-3934.012.patch,
> HDFS-3934.013.patch, HDFS-3934.014.patch, HDFS-3934.015.patch,
> HDFS-3934.016.patch
>
>
> A dead DN listed in dfs_hosts_allow.txt by IP and in dfs_hosts_exclude.txt by
> hostname ends up being displayed twice in {{dfsnodelist.jsp?whatNodes=DEAD}}
> after the NN restarts because {{getDatanodeListForReport}} does not handle
> such a "pseudo-duplicate" correctly:
> # the "Remove any nodes we know about from the map" loop no longer has the
> knowledge to remove the spurious entries
> # the "The remaining nodes are ones that are referenced by the hosts files"
> loop does not do hostname lookups, so does not know that the IP and hostname
> refer to the same host.
> Relatedly, such an IP-based dfs_hosts entry results in a cosmetic problem in
> the JSP output: The *Node* column shows ":50010" as the nodename, with HTML
> markup {{<a
> href="http://:50075/browseDirectory.jsp?namenodeInfoPort=50070&dir=%2F&nnaddr=172.29.97.196:8020";
> title="172.29.97.216:50010">:50010</a>}}.
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