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From "Richard (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SQOOP-1871) Upgrade to Hadoop 2.6.0
Date Mon, 15 Dec 2014 02:22:13 GMT

    [ https://issues.apache.org/jira/browse/SQOOP-1871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14246241#comment-14246241

Richard commented on SQOOP-1871:

[~jarcec], having said that Hadoop-common 2.6.0 lib is always in classpath, Sqoop does not
have other Hadoop libs, let's say {{hadoop-mapreduce-client-app}}, {{hadoop-mapreduce-client-common}},
etc. So {{catalina.properties}} is still needed.
For the "depends twice" issue, I have raised my concern in the mail thread last week. The
Sqoop server will depend on 2 different versions of Hadoop-common. (one is 2.6.0 from {{compile}}
scope, another is from the real cluster version configured in {{catalina.properties}}, ie.
2.2.0 in CDH 5.2).
{code: title=email}
2.       If “compile” is used in both client and server side. The wire compatibility is
confirmed in authentication communication between client and server. But another compatibility
surfaces, that the Sqoop server depends different version of Hadoop-common. 2.6.0 from “compile”,
and 2.5.0 (real cluster version) from classpath in catalina.properties.
>From my perspective, the minor release should not break the functionality in normal case.
But we should also keep this in mind in case there are exceptions due to this conflict version.

> Upgrade to Hadoop 2.6.0
> -----------------------
>                 Key: SQOOP-1871
>                 URL: https://issues.apache.org/jira/browse/SQOOP-1871
>             Project: Sqoop
>          Issue Type: Bug
>            Reporter: Richard
>             Fix For: 2.0.0

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