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https://issues.apache.org/jira/browse/HDFS-7382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14203697#comment-14203697
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Hadoop QA commented on HDFS-7382:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12680433/HDFS-7382.1.patch
against trunk revision 737d928.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. 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.
{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 2.0.3) 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-hdfs-project/hadoop-hdfs:
org.apache.hadoop.hdfs.web.TestWebHDFSForHA
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/8700//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8700//console
This message is automatically generated.
> DataNode in secure mode may throw NullPointerException if client connects
> before DataNode registers itself with NameNode.
> -------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-7382
> URL: https://issues.apache.org/jira/browse/HDFS-7382
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, security
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Priority: Minor
> Attachments: HDFS-7382.1.patch
>
>
> {{SaslDataTransferServer#receive}} needs to check if the DataNode is
> listening on a privileged port. It does this by checking the address from
> the {{DatanodeID}}. However, there is a window of time when this will be
> {{null}}. If a client is still holding a {{LocatedBlock}} that references
> that DataNode and chooses to connect, then there is a risk of getting a
> {{NullPointerException}}.
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