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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5747) BlocksMap.getStoredBlock(..) and BlockInfoUnderConstruction.addReplicaIfNotPresent(..) may throw NullPointerException
Date Thu, 09 Jan 2014 22:17:51 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13867163#comment-13867163
] 

Hadoop QA commented on HDFS-5747:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12622242/HDFS-5747.01.patch
  against trunk revision .

    {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}.  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:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.web.TestHttpsFileSystem

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/5856//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/5856//console

This message is automatically generated.

> BlocksMap.getStoredBlock(..) and BlockInfoUnderConstruction.addReplicaIfNotPresent(..)
may throw NullPointerException
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-5747
>                 URL: https://issues.apache.org/jira/browse/HDFS-5747
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Arpit Agarwal
>         Attachments: HDFS-5747.01.patch
>
>
> Found these NPEs in [build #5849|https://builds.apache.org/job/PreCommit-HDFS-Build/5849//testReport/org.apache.hadoop.hdfs/TestPersistBlocks/TestRestartDfsWithFlush/].
> - BlocksMap is accessed after close:
> {code}
> 2014-01-09 04:28:32,350 WARN  ipc.Server (Server.java:run(2060)) - IPC Server handler
2 on 58333, call org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol.blockReceivedAndDeleted
from 127.0.0.1:55572 Call#32 Retry#0: error: java.lang.NullPointerException
> java.lang.NullPointerException
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlocksMap.getStoredBlock(BlocksMap.java:113)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processReportedBlock(BlockManager.java:1915)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processAndHandleReportedBlock(BlockManager.java:2698)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.addBlock(BlockManager.java:2685)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processIncrementalBlockReport(BlockManager.java:2759)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.processIncrementalBlockReport(FSNamesystem.java:5321)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.blockReceivedAndDeleted(NameNodeRpcServer.java:1018)
> 	...
> {code}
> - expectedLocation can be null.
> {code}
> 2014-01-09 04:28:35,384 WARN  ipc.Server (Server.java:run(2060)) - IPC Server handler
5 on 58333, call org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol.blockReport from
127.0.0.1:55583 Call#47 Retry#0: error: java.lang.NullPointerException
> java.lang.NullPointerException
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoUnderConstruction.addReplicaIfNotPresent(BlockInfoUnderConstruction.java:331)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processFirstBlockReport(BlockManager.java:1801)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processReport(BlockManager.java:1645)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.blockReport(NameNodeRpcServer.java:987)
> 	...
> {code}



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