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From "Tsuyoshi OZAWA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9844) NPE when trying to create an error message response of RPC
Date Fri, 20 Feb 2015 16:39:12 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14329137#comment-14329137
] 

Tsuyoshi OZAWA commented on HADOOP-9844:
----------------------------------------

Thanks Steve for reporting the critical issue. +1 for Jason's suggestion. It's better to switch
at following line in setupReponse. We should also update javadoc that error message cannot
be null.

{code}
      headerBuilder.setErrorMsg(error);
{code}

> NPE when trying to create an error message response of RPC
> ----------------------------------------------------------
>
>                 Key: HADOOP-9844
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9844
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 3.0.0, 2.1.1-beta, 2.6.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>         Attachments: HADOOP-9844-001.patch
>
>
> I'm seeing an NPE which is raised when the server is trying to create an error response
to send back to the caller and there is no error text.
> The root cause is probably somewhere in SASL, but sending something back to the caller
would seem preferable to NPE-ing server-side.



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