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https://issues.apache.org/jira/browse/HADOOP-10941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14962429#comment-14962429
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Hudson commented on HADOOP-10941:
---------------------------------
SUCCESS: Integrated in Hadoop-Yarn-trunk-Java8 #562 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/562/])
HADOOP-10941. Proxy user verification NPEs if remote host is (stevel: rev
0ab3f9d56465bf31668159c562305a3b8222004c)
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/MachineList.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/DefaultImpersonationProvider.java
*
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/authorize/TestProxyUsers.java
* hadoop-common-project/hadoop-common/CHANGES.txt
*
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestMachineList.java
> Proxy user verification NPEs if remote host is unresolvable
> -----------------------------------------------------------
>
> Key: HADOOP-10941
> URL: https://issues.apache.org/jira/browse/HADOOP-10941
> Project: Hadoop Common
> Issue Type: Bug
> Components: ipc, security
> Affects Versions: 2.5.0, 3.0.0
> Reporter: Daryn Sharp
> Assignee: Benoy Antony
> Priority: Critical
> Labels: BB2015-05-TBR
> Fix For: 2.8.0
>
> Attachments: HADOOP-10941.patch
>
>
> A null is passed to the impersonation providers for the remote address if it
> is unresolvable. {{DefaultImpersationProvider}} will NPE, ipc will close the
> connection immediately (correct behavior for such unexpected exceptions),
> client fails on {{EOFException}}.
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