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https://issues.apache.org/jira/browse/HADOOP-8306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13260140#comment-13260140
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Eli Collins commented on HADOOP-8306:
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+1 looks good
> ZKFC: improve error message when ZK is not running
> --------------------------------------------------
>
> Key: HADOOP-8306
> URL: https://issues.apache.org/jira/browse/HADOOP-8306
> Project: Hadoop Common
> Issue Type: Improvement
> Components: auto-failover, ha
> Affects Versions: Auto Failover (HDFS-3042)
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Minor
> Attachments: hadoop-8306.txt
>
>
> Currently if you start the ZKFC without starting ZK, you get an ugly stack
> trace. We should improve the error message and give it a unique exit code.
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