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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6130) NPE when upgrading namenode from fsimages older than -32
Date Wed, 26 Mar 2014 13:59:39 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13947933#comment-13947933
] 

Hudson commented on HDFS-6130:
------------------------------

SUCCESS: Integrated in Hadoop-Hdfs-trunk #1713 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1713/])
HDFS-6130. NPE when upgrading namenode from fsimages older than -32. Contributed by Haohui
Mai. (wheat9: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1581713)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormat.java


> NPE when upgrading namenode from fsimages older than -32
> --------------------------------------------------------
>
>                 Key: HDFS-6130
>                 URL: https://issues.apache.org/jira/browse/HDFS-6130
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.4.0
>            Reporter: Fengdong Yu
>            Assignee: Haohui Mai
>            Priority: Blocker
>             Fix For: 2.4.0
>
>         Attachments: HDFS-6130.000.patch, fsimage.tar.gz
>
>
> I want upgrade an old cluster(0.20.2-cdh3u1) to trunk instance, 
> I can upgrade successfully if I don't configurage HA, but if HA enabled,
> there is NPE when I run ' hdfs namenode -initializeSharedEdits'
> {code}
> 14/03/20 15:06:41 INFO namenode.FSNamesystem: Retry cache on namenode is enabled
> 14/03/20 15:06:41 INFO namenode.FSNamesystem: Retry cache will use 0.03 of total heap
and retry cache entry expiry time is 600000 millis
> 14/03/20 15:06:41 INFO util.GSet: Computing capacity for map NameNodeRetryCache
> 14/03/20 15:06:41 INFO util.GSet: VM type       = 64-bit
> 14/03/20 15:06:41 INFO util.GSet: 0.029999999329447746% max memory 896 MB = 275.3 KB
> 14/03/20 15:06:41 INFO util.GSet: capacity      = 2^15 = 32768 entries
> 14/03/20 15:06:41 INFO namenode.AclConfigFlag: ACLs enabled? false
> 14/03/20 15:06:41 INFO common.Storage: Lock on /data/hadoop/data1/dfs/name/in_use.lock
acquired by nodename 7326@10-150-170-176
> 14/03/20 15:06:42 INFO common.Storage: Lock on /data/hadoop/data2/dfs/name/in_use.lock
acquired by nodename 7326@10-150-170-176
> 14/03/20 15:06:42 INFO namenode.FSImage: No edit log streams selected.
> 14/03/20 15:06:42 INFO namenode.FSImageFormatPBINode: Loading 1 INodes.
> 14/03/20 15:06:42 FATAL namenode.NameNode: Exception in namenode join
> java.lang.NullPointerException
> 	at org.apache.hadoop.hdfs.server.namenode.FSDirectory.isReservedName(FSDirectory.java:2984)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode$Loader.addToParent(FSImageFormatPBINode.java:205)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode$Loader.loadINodeDirectorySection(FSImageFormatPBINode.java:162)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf$Loader.loadInternal(FSImageFormatProtobuf.java:243)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf$Loader.load(FSImageFormatProtobuf.java:168)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImageFormat$LoaderDelegator.load(FSImageFormat.java:120)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:895)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:881)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImageFile(FSImage.java:704)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:642)
> 	at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:271)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:894)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:653)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.initializeSharedEdits(NameNode.java:912)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1276)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1360)
> 14/03/20 15:06:42 INFO util.ExitUtil: Exiting with status 1
> 14/03/20 15:06:42 INFO namenode.NameNode: SHUTDOWN_MSG: 
> /************************************************************
> SHUTDOWN_MSG: Shutting down NameNode at 10-150-170-176/10.150.170.176
> ************************************************************/
> {code}



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