[
https://issues.apache.org/jira/browse/HDFS-5710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13869791#comment-13869791
]
Jing Zhao commented on HDFS-5710:
---------------------------------
+1 patch looks good to me. I will commit it shortly.
> FSDirectory#getFullPathName should check inodes against null
> ------------------------------------------------------------
>
> Key: HDFS-5710
> URL: https://issues.apache.org/jira/browse/HDFS-5710
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.2.0
> Reporter: Ted Yu
> Assignee: Uma Maheswara Rao G
> Attachments: HDFS-5710.patch, hdfs-5710-output.html
>
>
> From
> https://builds.apache.org/job/hbase-0.96-hadoop2/166/testReport/junit/org.apache.hadoop.hbase.mapreduce/TestTableInputFormatScan1/org_apache_hadoop_hbase_mapreduce_TestTableInputFormatScan1/
> :
> {code}
> 2014-01-01 00:10:15,571 INFO [IPC Server handler 2 on 50198]
> blockmanagement.BlockManager(1009): BLOCK* addToInvalidates:
> blk_1073741967_1143 127.0.0.1:40188 127.0.0.1:46149 127.0.0.1:41496
> 2014-01-01 00:10:16,559 WARN
> [org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor@93935b]
> namenode.FSDirectory(1854): Could not get full path. Corresponding file
> might have deleted already.
> 2014-01-01 00:10:16,560 FATAL
> [org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor@93935b]
> blockmanagement.BlockManager$ReplicationMonitor(3127): ReplicationMonitor
> thread received Runtime exception.
> java.lang.NullPointerException
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.getFullPathName(FSDirectory.java:1871)
> at
> org.apache.hadoop.hdfs.server.namenode.INode.getFullPathName(INode.java:482)
> at
> org.apache.hadoop.hdfs.server.namenode.INodeFile.getName(INodeFile.java:316)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy.chooseTarget(BlockPlacementPolicy.java:118)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeReplicationWorkForBlocks(BlockManager.java:1259)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeReplicationWork(BlockManager.java:1167)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeDatanodeWork(BlockManager.java:3158)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor.run(BlockManager.java:3112)
> at java.lang.Thread.run(Thread.java:724)
> {code}
> Looks like getRelativePathINodes() returned null but getFullPathName() didn't
> check inodes against null, leading to NPE.
--
This message was sent by Atlassian JIRA
(v6.1.5#6160)
