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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7602) wordcount, sort etc on har files fails with NPE
Date Thu, 01 Sep 2011 22:46:10 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13095654#comment-13095654
] 

Daryn Sharp commented on HADOOP-7602:
-------------------------------------

The method {{build(D)elegation(T)okenServiceAuthority}} is specifically meant for use by tokens.
 The client uses {{buildDTServiceAuthority}} to set the service in a token.  The service is
what the RPC layer matches against to find a token for new connections.

If {{buildDTServiceAuthority}} ever returns an empty string, then the token is rendered useless.
 The logs will show that a token was acquired, but connections will mysteriously fail because
an empty string doesn't match the address of the connection.

The 1-line fix for the real problem is equally as minimal as reintroducing a bug to mask another
bug.

> 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.patch
>
>
> wordcount, sort etc on har files fails with NPE@createSocketAddr(NetUtils.java:137).


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