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Posted to hdfs-dev@hadoop.apache.org by "Karthik Palanisamy (JIRA)" <ji...@apache.org> on 2016/08/03 15:32:20 UTC
[jira] [Created] (HDFS-10719) In HA, Namenode is failed to start If
any of the Quorum hostname is unresolved.
Karthik Palanisamy created HDFS-10719:
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Summary: In HA, Namenode is failed to start If any of the Quorum hostname is unresolved.
Key: HDFS-10719
URL: https://issues.apache.org/jira/browse/HDFS-10719
Project: Hadoop HDFS
Issue Type: Bug
Components: journal-node, namenode
Environment: HDP-2.4
Reporter: Karthik Palanisamy
2016-08-03 02:53:53,760 ERROR namenode.NameNode (NameNode.java:main(1712)) - Failed to start namenode.
java.lang.IllegalArgumentException: Unable to construct journal, qjournal://xxxx1:8485;xxxx2:8485;xxxx3:8485/shva
at org.apache.hadoop.hdfs.server.namenode.FSEditLog.createJournal(FSEditLog.java:1637)
at org.apache.hadoop.hdfs.server.namenode.FSEditLog.initJournals(FSEditLog.java:282)
at org.apache.hadoop.hdfs.server.namenode.FSEditLog.initSharedJournalsForRead(FSEditLog.java:260)
at org.apache.hadoop.hdfs.server.namenode.FSImage.initEditLog(FSImage.java:789)
at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:634)
at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:294)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:983)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:688)
at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:662)
at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:726)
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:951)
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:935)
at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1641)
at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1707)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at org.apache.hadoop.hdfs.server.namenode.FSEditLog.createJournal(FSEditLog.java:1635)
... 13 more
Caused by: java.lang.NullPointerException
at org.apache.hadoop.hdfs.qjournal.client.IPCLoggerChannelMetrics.getName(IPCLoggerChannelMetrics.java:107)
at org.apache.hadoop.hdfs.qjournal.client.IPCLoggerChannelMetrics.create(IPCLoggerChannelMetrics.java:91)
at org.apache.hadoop.hdfs.qjournal.client.IPCLoggerChannel.<init>(IPCLoggerChannel.java:178)
at org.apache.hadoop.hdfs.qjournal.client.IPCLoggerChannel$1.createLogger(IPCLoggerChannel.java:156)
at org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.createLoggers(QuorumJournalManager.java:367)
at org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.createLoggers(QuorumJournalManager.java:149)
at org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.<init>(QuorumJournalManager.java:116)
at org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.<init>(QuorumJournalManager.java:105)
... 18 more
2016-08-03 02:53:53,765 INFO util.ExitUtil (ExitUtil.java:terminate(124)) - Exiting with status 1
2016-08-03 02:53:53,768 INFO namenode.NameNode (LogAdapter.java:info(47)) - SHUTDOWN_MSG:
and the *failover* is not successful.
I have attached the patch, It allows the Namenode to start if the majority of the Quorums are resolvable and it throws warning message for the quorum which is not resolvable.
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