hadoop-common-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Karthik Palanisamy (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-13468) In HA, Namenode is failed to start If any of the Quorum hostname is unresolved
Date Thu, 04 Aug 2016 17:40:20 GMT
Karthik Palanisamy created HADOOP-13468:
-------------------------------------------

             Summary: In HA, Namenode is failed to start If any of the Quorum hostname is
unresolved
                 Key: HADOOP-13468
                 URL: https://issues.apache.org/jira/browse/HADOOP-13468
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 2.7.0, 2.8.0
         Environment: HDP-2.4.0
            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.
throws warning if the quorum is unresolvable.
throws Unknown host exception if the majority of the journals are unresolvable.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

---------------------------------------------------------------------
To unsubscribe, e-mail: common-dev-unsubscribe@hadoop.apache.org
For additional commands, e-mail: common-dev-help@hadoop.apache.org


Mime
View raw message