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https://issues.apache.org/jira/browse/HADOOP-5203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13181176#comment-13181176
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Matt Foley commented on HADOOP-5203:
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Note that the "Fix Version" is indeed correct; this patch was committed to
trunk after the 0.20 branch point, so only v0.21 and higher have the fix.
HADOOP-7960 ports it to branch-1 so that v1.1 and higher will also have the fix.
> TT's version build is too restrictive
> -------------------------------------
>
> Key: HADOOP-5203
> URL: https://issues.apache.org/jira/browse/HADOOP-5203
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 0.19.0
> Reporter: Runping Qi
> Assignee: Rick Cox
> Fix For: 0.21.0
>
> Attachments: HADOOP-5203-md5-0.18.3.patch,
> HADOOP-5203-md5-0.19.2.patch, HADOOP-5203-md5-0.20.1.patch,
> HADOOP-5203-md5.patch, HADOOP-5203-md5.patch, HADOOP-5203.patch
>
>
> At start time, TT checks whether its version is compatible with JT.
> The condition is too restrictive.
> It will shut down itself if one of the following conditions fail:
> * the version numbers must match
> * the revision numbers must match
> * the user ids who build the jar must match
> * the build times must match
> I think it should check the major part of the version numbers only (thus any
> version like 0.19.xxxx should be compatible).
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