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Charles Lamb commented on HDFS-4210: ------------------------------------ bq. I am taking over the jira in order to push it over the finish line. Hope that is ok with you. No problem [~jzhuge]. Thanks for taking over. > NameNode Format should not fail for DNS resolution on minority of JournalNode > ----------------------------------------------------------------------------- > > Key: HDFS-4210 > URL: https://issues.apache.org/jira/browse/HDFS-4210 > Project: Hadoop HDFS > Issue Type: Bug > Components: ha, journal-node, namenode > Affects Versions: 2.6.0 > Reporter: Damien Hardy > Assignee: John Zhuge > Priority: Trivial > Labels: BB2015-05-TBR > Attachments: HDFS-4210.001.patch > > > Setting : > qjournal://cdh4master01:8485;cdh4master02:8485;cdh4worker03:8485/hdfscluster > cdh4master01 and cdh4master02 JournalNode up and running, > cdh4worker03 not yet provisionning (no DNS entrie) > With : > `hadoop namenode -format` fails with : > 12/11/19 14:42:42 FATAL namenode.NameNode: Exception in namenode join > java.lang.IllegalArgumentException: Unable to construct journal, > qjournal://cdh4master01:8485;cdh4master02:8485;cdh4worker03:8485/hdfscluster > at > org.apache.hadoop.hdfs.server.namenode.FSEditLog.createJournal(FSEditLog.java:1235) > at > org.apache.hadoop.hdfs.server.namenode.FSEditLog.initJournals(FSEditLog.java:226) > at > org.apache.hadoop.hdfs.server.namenode.FSEditLog.initJournalsForWrite(FSEditLog.java:193) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:745) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1099) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1204) > Caused by: java.lang.reflect.InvocationTargetException > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) > at > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) > at > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) > at java.lang.reflect.Constructor.newInstance(Constructor.java:513) > at > org.apache.hadoop.hdfs.server.namenode.FSEditLog.createJournal(FSEditLog.java:1233) > ... 5 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:161) > at > org.apache.hadoop.hdfs.qjournal.client.IPCLoggerChannel$1.createLogger(IPCLoggerChannel.java:141) > at > org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.createLoggers(QuorumJournalManager.java:353) > at > org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.createLoggers(QuorumJournalManager.java:135) > at > org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.<init>(QuorumJournalManager.java:104) > at > org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.<init>(QuorumJournalManager.java:93) > ... 10 more > I suggest that if quorum is up format should not fails. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org