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From "Colm O hEigeartaigh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13461) NPE in KeyProvider.rollNewVersion
Date Wed, 10 Aug 2016 11:00:26 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15415115#comment-15415115
] 

Colm O hEigeartaigh commented on HADOOP-13461:
----------------------------------------------

OK latest patch fixes checkstyle.

> NPE in KeyProvider.rollNewVersion
> ---------------------------------
>
>                 Key: HADOOP-13461
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13461
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.7.2, 2.6.4
>            Reporter: Colm O hEigeartaigh
>            Assignee: Colm O hEigeartaigh
>            Priority: Minor
>         Attachments: HADOOP-13461.patch
>
>
> When KeyProvider.rollNewVersion(String name) is called, it first gets the metadata for
the given name. The javadoc states that the getMetadata(String name) method can return null
if the key doesn't exist. However rollNewVersion throws a NPE if the returned metadata is
null.



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