[jira] [Commented] (CASSANDRA-8514) ArrayIndexOutOfBoundsException in nodetool cfhistograms

["Jimmy Mårdell (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-8514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14272017#comment-14272017 ] 

Jimmy Mårdell commented on CASSANDRA-8514:
------------------------------------------

Yes, I've seen this as well. Simple patch attached.

> ArrayIndexOutOfBoundsException in nodetool cfhistograms
> -------------------------------------------------------
>
>                 Key: CASSANDRA-8514
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8514
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Tools
>         Environment: OSX
>            Reporter: Philip Thompson
>             Fix For: 2.1.3
>
>         Attachments: cassandra-2.1-8514-1.txt
>
>
> When running nodetool cfhistograms on 2.1-HEAD, I am seeing the following exception:
> {code}
> 04:02 PM:~/cstar/cassandra[cassandra-2.1*]$ bin/nodetool cfhistograms keyspace1 standard1
> objc[58738]: Class JavaLaunchHelper is implemented in both /Library/Java/JavaVirtualMachines/jdk1.7.0_67.jdk/Contents/Home/bin/java and /Library/Java/JavaVirtualMachines/jdk1.7.0_67.jdk/Contents/Home/jre/lib/libinstrument.dylib. One of the two will be used. Which one is undefined.
> error: 0
> -- StackTrace --
> java.lang.ArrayIndexOutOfBoundsException: 0
> 	at org.apache.cassandra.utils.EstimatedHistogram.newOffsets(EstimatedHistogram.java:75)
> 	at org.apache.cassandra.utils.EstimatedHistogram.<init>(EstimatedHistogram.java:60)
> 	at org.apache.cassandra.tools.NodeTool$CfHistograms.execute(NodeTool.java:946)
> 	at org.apache.cassandra.tools.NodeTool$NodeToolCmd.run(NodeTool.java:250)
> 	at org.apache.cassandra.tools.NodeTool.main(NodeTool.java:164){code}
> I can reproduce this with these simple steps:
> Start a new C* 2.1-HEAD node
> Run {{cassandra-stress write n=10000}}
> Run {{nodetool cfhistograms keyspace1 standard1}}



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