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https://issues.apache.org/jira/browse/HDFS-5483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13906442#comment-13906442
]
Hadoop QA commented on HDFS-5483:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12629883/h5483.03.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/6182//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6182//console
This message is automatically generated.
> NN should gracefully handle multiple block replicas on same DN
> --------------------------------------------------------------
>
> Key: HDFS-5483
> URL: https://issues.apache.org/jira/browse/HDFS-5483
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Affects Versions: Heterogeneous Storage (HDFS-2832)
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Fix For: 3.0.0
>
> Attachments: h5483.02.patch, h5483.03.patch, h5483.04.patch
>
>
> {{BlockManager#reportDiff}} can cause an assertion failure in
> {{BlockInfo#moveBlockToHead}} if the block report shows the same block as
> belonging to more than one storage.
> The issue is that {{moveBlockToHead}} assumes it will find the
> DatanodeStorageInfo for the given block.
> Exception details:
> {code}
> java.lang.AssertionError: Index is out of bound
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo.setNext(BlockInfo.java:152)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo.moveBlockToHead(BlockInfo.java:351)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo.moveBlockToHead(DatanodeStorageInfo.java:243)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.reportDiff(BlockManager.java:1841)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processReport(BlockManager.java:1709)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processReport(BlockManager.java:1637)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.blockReport(NameNodeRpcServer.java:984)
> at
> org.apache.hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure.testVolumeFailure(TestDataNodeVolumeFailure.java:165)
> {code}
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