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https://issues.apache.org/jira/browse/HDFS-16150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ayush Saxena resolved HDFS-16150.
---------------------------------
Resolution: Not A Bug
> NameNode restart throwing java.io.IOException: NameNode is not formatted
> Exception
> ----------------------------------------------------------------------------------
>
> Key: HDFS-16150
> URL: https://issues.apache.org/jira/browse/HDFS-16150
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.1.1
> Environment: env: Pseudo-Distributed Mode
> version: 3.1.1
> Reporter: linweijiang
> Priority: Major
> Attachments: hadoop-cims-namenode-sw-install-4.log
>
>
> Pseudo-Distributed mode HDFS restart throwing Excecption. The cluster is
> running well before restart.
> {code:java}
> ./sbin/start-dfs.sh{code}
> {code:java}
> 2021-08-03 02:20:02,777 WARN namenode.FSNamesystem: Encountered exception
> loading fsimage2021-08-03 02:20:02,777 WARN namenode.FSNamesystem:
> Encountered exception loading fsimagejava.io.IOException: NameNode is not
> formatted. at
> org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:237)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:1086)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:714)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.doRecovery(NameNode.java:1548)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1630)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1710)2021-08-03
> 02:20:02,779 INFO namenode.MetaRecoveryContext: RECOVERY FAILED: caught
> exceptionjava.io.IOException: NameNode is not formatted. at
> org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:237)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:1086)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:714)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.doRecovery(NameNode.java:1548)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1630)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1710)2021-08-03
> 02:20:02,779 ERROR namenode.NameNode: Failed to start
> namenode.java.io.IOException: NameNode is not formatted. at
> org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:237)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:1086)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:714)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.doRecovery(NameNode.java:1548)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1630)
> at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1710)
> {code}
> core-site.xml:
> {code:java}
> <configuration>
> <property>
> <name>fs.defaultFS</name>
> <value>hdfs://localhost:9000</value>
> </property>
> </configuration>
> {code}
> hdfs-site.xml:
> {code:java}
> <configuration>
> <property>
> <name>dfs.replication</name>
> <value>1</value>
> </property>
> <property>
> <name>dfs.namenode.http-address</name>
> <value>192.168.9.97:50070</value>
> </property>
> </configuration>
> {code}
>
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