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https://issues.apache.org/jira/browse/HDFS-7237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo Nicholas Sze updated HDFS-7237:
--------------------------------------
Attachment: h7237_20141013b.patch
"new StringBuilder('<')" does not work well since it is using the
StringBuilder(int) constructor.
h7237_20141013b.patch: fixes the bug.
> namenode -rollingUpgrade throws ArrayIndexOutOfBoundsException
> --------------------------------------------------------------
>
> Key: HDFS-7237
> URL: https://issues.apache.org/jira/browse/HDFS-7237
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Tsz Wo Nicholas Sze
> Priority: Minor
> Attachments: h7237_20141013.patch, h7237_20141013b.patch
>
>
> Run "hdfs namenode -rollingUpgrade"
> {noformat}
> 14/10/13 11:30:50 INFO namenode.NameNode: createNameNode [-rollingUpgrade]
> 14/10/13 11:30:50 FATAL namenode.NameNode: Exception in namenode join
> java.lang.ArrayIndexOutOfBoundsException: 1
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.parseArguments(NameNode.java:1252)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1367)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1501)
> 14/10/13 11:30:50 INFO util.ExitUtil: Exiting with status 1
> {noformat}
> Although the command is illegal (missing rolling upgrade startup option), it
> should print a better error message.
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