[jira] [Created] (HDFS-9697) NN fails to restart due to corrupt fsimage

["Yongjun Zhang (JIRA)" <ji...@apache.org>]

Yongjun Zhang created HDFS-9697:
-----------------------------------

             Summary: NN fails to restart due to corrupt fsimage
                 Key: HDFS-9697
                 URL: https://issues.apache.org/jira/browse/HDFS-9697
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: namenode
            Reporter: Yongjun Zhang
            Assignee: Yongjun Zhang


This is related to HDFS-9406, but not quite the same symptom.

{quote}
ERROR namenode.NameNode: Failed to start namenode.
java.lang.NullPointerException
	at org.apache.hadoop.hdfs.server.namenode.snapshot.FSImageFormatPBSnapshot$Loader.loadINodeReference(FSImageFormatPBSnapshot.java:114)
	at org.apache.hadoop.hdfs.server.namenode.snapshot.FSImageFormatPBSnapshot$Loader.loadINodeReferenceSection(FSImageFormatPBSnapshot.java:105)
	at org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf$Loader.loadInternal(FSImageFormatProtobuf.java:258)
	at org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf$Loader.load(FSImageFormatProtobuf.java:180)
	at org.apache.hadoop.hdfs.server.namenode.FSImageFormat$LoaderDelegator.load(FSImageFormat.java:226)
	at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:929)
	at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:913)
	at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImageFile(FSImage.java:732)
	at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:668)
	at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:281)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:1062)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:766)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:589)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:646)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:818)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:797)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1493)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1561)
{quote}




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