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https://issues.apache.org/jira/browse/MAPREDUCE-5830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13967571#comment-13967571
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Tsz Wo Nicholas Sze commented on MAPREDUCE-5830:
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Should we fix it in Hive?
> HostUtil.getTaskLogUrl is not backwards binary compatible with 2.3
> ------------------------------------------------------------------
>
> Key: MAPREDUCE-5830
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5830
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 2.4.0
> Reporter: Jason Lowe
> Priority: Blocker
>
> HostUtil.getTaskLogUrl used to have a signature like this in Hadoop 2.3.0 and
> earlier:
> public static String getTaskLogUrl(String taskTrackerHostName, String
> httpPort, String taskAttemptID)
> but now has a signature like this:
> public static String getTaskLogUrl(String scheme, String taskTrackerHostName,
> String httpPort, String taskAttemptID)
> This breaks source and binary backwards-compatibility. MapReduce and Hive
> both have references to this, so their jars compiled against 2.3 or earlier
> do not work on 2.4.
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