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Jonathan Ellis commented on CASSANDRA-8514: ------------------------------------------- I still think null is a better "nothing is here" value than empty array (NPE is more obvious that someone forgot to handle a special case than AIOOB) but I'm not going to argue, +1 from me. > 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 > Assignee: Benjamin Lerer > Fix For: 2.1.3 > > Attachments: CASSANDRA-8514-V2.txt, 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}} -- This message was sent by Atlassian JIRA (v6.3.4#6332)