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https://issues.apache.org/jira/browse/HADOOP-7602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13103957#comment-13103957
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Jitendra Nath Pandey commented on HADOOP-7602:
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> -1 buildDTAuthority absolutely cannot return an empty string in any other
> context w/o wrecking havoc on token processing.
John's patch is returning empty string only for cases where it would
otherwise throw an NPE. Empty string is being thrown only if authority is not a
valid host, in that case it will not cause any problem because no connection or
tokens would work for such hosts anyway.
I look at this jira solving an immediate problem that NPEs are being thrown if
authority is invalid or hosts are not resolved.
There may be alternative approaches to handle the bad inputs to SecurityUtil
methods in more elegant ways, but that can be taken outside this jira.
> wordcount, sort etc on har files fails with NPE
> -----------------------------------------------
>
> Key: HADOOP-7602
> URL: https://issues.apache.org/jira/browse/HADOOP-7602
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 0.20.205.0, 0.20.206.0
> Reporter: John George
> Assignee: John George
> Fix For: 0.20.205.0
>
> Attachments: hadoop-7602.1.patch, hadoop-7602.2.patch,
> hadoop-7602.3.patch, hadoop-7602.4.patch, hadoop-7602.6.patch,
> hadoop-7602.daryns_comment.2.patch, hadoop-7602.daryns_comment.patch,
> hadoop-7602.patch
>
>
> wordcount, sort etc on har files fails with
> NPE@createSocketAddr(NetUtils.java:137).
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