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Tsz Wo Nicholas Sze commented on HDFS-6130: ------------------------------------------- I tried the new steps with current branch-1. Cannot reproduce the NPE. > NPE during namenode upgrade from old release > -------------------------------------------- > > 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 > Attachments: 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} -- This message was sent by Atlassian JIRA (v6.2#6252)