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https://issues.apache.org/jira/browse/HADOOP-15261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Akira Ajisaka reassigned HADOOP-15261:
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Assignee: PandaMonkey
> 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: PandaMonkey
> Priority: Major
> Fix For: 3.2.0
>
> Attachments: 347.patch, 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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