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https://issues.apache.org/jira/browse/HBASE-20444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16474226#comment-16474226
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Hadoop QA commented on HBASE-20444:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
16s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  2s{color} 
| {color:red} HBASE-20444 does not apply to master. Rebase required? Wrong 
Branch? See https://yetus.apache.org/documentation/0.7.0/precommit-patchnames 
for help. {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:d8b550f |
| JIRA Issue | HBASE-20444 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12923287/HBASE-20444.master.001.patch
 |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12810/console |
| Powered by | Apache Yetus 0.7.0   http://yetus.apache.org |


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> Improve version comparison logic for HBase specific version string and add 
> unit tests
> -------------------------------------------------------------------------------------
>
>                 Key: HBASE-20444
>                 URL: https://issues.apache.org/jira/browse/HBASE-20444
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Umesh Agashe
>            Assignee: maoling
>            Priority: Major
>         Attachments: HBASE-20444.master.001.patch
>
>
> As [~busbey] commented on HBASE-18792, current logic for comparing version 
> strings in class org.apache.hadoop.hbase.util.VersionInfo is generic and 
> needs to be improved:
> {code:java}
> if (index < s1.length) {
>   // s1 is longer
>   return 1;
> }
> {code}
> {quote}I think this is wrong? like version "2.0.0" should be after 
> "2.0.0-SNAPSHOT". it's also after "2.0.0-alpha-3" or "2.0.0-beta-1".
> {quote}
> Also in other cases 2.0.0 should be before 2.0.0-patch-XXXX and 2.0.0.1. Also 
> 2.0 should be before 2.0.1.
> {quote}Can we expand the versions checked in TestVersionInfo to include a) 
> some "same major different minor", b) "same minor different maintenance", c) 
> both of the above, but SNAPSHOT, d) "-alpha" / "-beta"?
> {quote}



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