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https://issues.apache.org/jira/browse/HBASE-16272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15390056#comment-15390056
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Matteo Bertozzi commented on HBASE-16272:
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+1 but let's see if there is any unit test relying on that behavior
> Overflow in ServerName's compareTo method
> -----------------------------------------
>
> Key: HBASE-16272
> URL: https://issues.apache.org/jira/browse/HBASE-16272
> Project: HBase
> Issue Type: Bug
> Components: hbase
> Reporter: huaxiang sun
> Assignee: huaxiang sun
> Attachments: HBASE-16272-v001.patch
>
>
> Looking at the ServerName's compareTo(),
> https://github.com/apache/hbase/blob/master/hbase-common/src/main/java/org/apache/hadoop/hbase/ServerName.java#L303
> It converts the return int value by converting long to int like
> (int)(longValue), which could be incorrect when it overflows, need to replace
> it with Long.compareTo(a,b).
> [~mbertozzi] found some others as well, such as
> https://github.com/apache/hbase/blob/master/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/LruBlockCache.java#L990
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