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https://issues.apache.org/jira/browse/CASSANDRA-13021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15743333#comment-15743333
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Jay Zhuang commented on CASSANDRA-13021:
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[~jasobrown] Thanks for the review.
Updated the patch to use 1 and print empty string instead of "null". Which will
be consistent with 3.X.
In 3.x, null value is printed as empty:
https://github.com/apache/cassandra/blob/cassandra-3.X/src/java/org/apache/cassandra/tools/nodetool/formatter/TableBuilder.java#L96
But in 3.0, it's printed as string {{"null"}}:
https://github.com/apache/cassandra/blob/cassandra-3.0/src/java/org/apache/cassandra/tools/nodetool/CompactionStats.java#L86
> Nodetool compactionstats fails with NullPointerException
> --------------------------------------------------------
>
> Key: CASSANDRA-13021
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13021
> Project: Cassandra
> Issue Type: Bug
> Environment: 3.0.10
> Reporter: Jay Zhuang
> Assignee: Jay Zhuang
> Fix For: 3.0.x
>
> Attachments: 13021-3.0-update.txt, 13021-3.0.txt
>
>
> Found in 3.0.10:
> {code}
> $ nodetool compactionstats
> pending tasks: 2
> error: null
> -- StackTrace --
> java.lang.NullPointerException
> at
> org.apache.cassandra.tools.nodetool.CompactionStats.addLine(CompactionStats.java:102)
> at
> org.apache.cassandra.tools.nodetool.CompactionStats.execute(CompactionStats.java:70)
> at
> org.apache.cassandra.tools.NodeTool$NodeToolCmd.run(NodeTool.java:247)
> at org.apache.cassandra.tools.NodeTool.main(NodeTool.java:161)
> {code}
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