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https://issues.apache.org/jira/browse/HADOOP-15261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16377887#comment-16377887
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ASF GitHub Bot commented on HADOOP-15261:
-----------------------------------------
GitHub user PandaMonkey opened a pull request:
https://github.com/apache/hadoop/pull/347
[HADOOP-15261]move commons-io up to 2.5
move commons-io up to 2.5 which introduced by kerb-simplekdc.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/PandaMonkey/hadoop trunk
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/hadoop/pull/347.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #347
----
commit 625a8e94c85a263cd7687fb9dfff4ec4229e9b29
Author: PandaMonkey <36159621+pandamonkey@...>
Date: 2018-02-27T01:34:07Z
move commons-io up to 2.5
move commons-io up to 2.5 which introduced by kerb-simplekdc.
----
> Upgrade commons-io from 2.4 to 2.5
> ----------------------------------
>
> Key: HADOOP-15261
> URL: https://issues.apache.org/jira/browse/HADOOP-15261
> Project: Hadoop Common
> Issue Type: Bug
> Components: minikdc
> Affects Versions: 3.0.0-alpha3
> Reporter: PandaMonkey
> Assignee: Ajay Kumar
> Priority: Major
> Attachments: hadoop.txt
>
>
> Hi, after analyzing hadoop-common-project\hadoop-minikdc\pom.xml, we found
> that Hadoop depends on org.apache.kerby:kerb-simplekdc 1.0.1, which
> transitivity introduced commons-io:2.5.
> At the same time, hadoop directly depends on a older version of
> commons-io:2.4. By further look into the source code, these two versions of
> commons-io have many different features. The dependency conflict problem
> brings high risks of "NotClassDefFoundError:" or "NoSuchMethodError" issues
> at runtime. Please notice this problem. Maybe upgrading commons-io from 2.4
> to 2.5 is a good choice. Hope this report can help you. Thanks!
>
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