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https://issues.apache.org/jira/browse/HADOOP-7602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102700#comment-13102700
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Daryn Sharp commented on HADOOP-7602:
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Yes, the patch will be a problem for 7510. As an aside, I believe the null
check for {{addr.getHostName()}} is a no-op because {{getHostName}} should
never return null. It will return the unresolvable hostname.
Reverting {{SecurityUtil}} method in the original patch to return an empty
string with the authority is null will re-introduce a bug. I don't remember
the exact details, but I encountered a case (in hftp?) where a token was being
created with an empty service and thus useless.
More importantly, I don't see how reverting will fix this problem. Reverting
will let {{har:///path}} work, but I think it's still going to fail on
{{har://hdfs-something/path}} because the fake hostname will not resolve.
{{addr.getAddress().getHostAddress()}} will blow with a NPE when
{{getAddress()}} returns null for the unresolvable host.
> 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.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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