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https://issues.apache.org/jira/browse/HBASE-20683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16503301#comment-16503301
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Chia-Ping Tsai commented on HBASE-20683:
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Pardon me. I don't catch the point about the benefit of changing the return
type from boolean to int. seems the behavior of this tool is not modified?
> Incorrect return value for PreUpgradeValidator
> ----------------------------------------------
>
> Key: HBASE-20683
> URL: https://issues.apache.org/jira/browse/HBASE-20683
> Project: HBase
> Issue Type: Bug
> Affects Versions: 3.0.0, 2.1.0, 2.0.1
> Reporter: Peter Somogyi
> Assignee: Peter Somogyi
> Priority: Critical
> Attachments: HBASE-20683.master.001.patch,
> HBASE-20683.master.002.patch
>
>
> PreUpgradeValidator currently returns 1 when there is no incompatibilities.
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