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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3721) build is broken on YARN-2928 branch due to possible dependency cycle
Date Thu, 28 May 2015 06:23:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-3721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14562353#comment-14562353
] 

Zhijie Shen commented on YARN-3721:
-----------------------------------

+1 for the approach.

BTW, there always exists a risk: HBase is the downstream of Hadoop, and compile against certain
version of Hadoop. Say we use HBase X.X.X, and it depends on Hadoop Y.Y.Y. However, on trunk/branch-2,
if we have made some incompatible change  to mini dfs cluster for a later release Y.Y.Z, our
test cases are very likely to be broken, because HBase test utils compiled against Y.Y.Y is
not longer compatible with Y.Y.Z runtime libs.

> build is broken on YARN-2928 branch due to possible dependency cycle
> --------------------------------------------------------------------
>
>                 Key: YARN-3721
>                 URL: https://issues.apache.org/jira/browse/YARN-3721
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Sangjin Lee
>            Assignee: Li Lu
>            Priority: Blocker
>         Attachments: YARN-3721-YARN-2928.001.patch, YARN-3721-YARN-2928.002.patch, YARN-3721-YARN-2928.002.patch
>
>
> The build is broken on the YARN-2928 branch at the hadoop-yarn-server-timelineservice
module. It's been broken for a while, but we didn't notice it because the build happens to
work despite this if the maven local cache is not cleared.
> To reproduce, remove all hadoop (3.0.0-SNAPSHOT) artifacts from your maven local cache
and build it.
> Almost certainly it was introduced by YARN-3529.



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