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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10070) RPC client doesn't use per-connection conf to determine server's expected Kerberos principal name
Date Tue, 11 Feb 2014 04:28:20 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13897521#comment-13897521
] 

Hadoop QA commented on HADOOP-10070:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12628146/HADOOP-10070.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-common-project/hadoop-common:

                  org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/3555//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/3555//console

This message is automatically generated.

> RPC client doesn't use per-connection conf to determine server's expected Kerberos principal
name
> -------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-10070
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10070
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 2.2.0
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>         Attachments: HADOOP-10070.patch, HADOOP-10070.patch, TestKerberosClient.java
>
>
> Currently, RPC client caches the {{Configuration}} object that was passed in to its constructor
and uses that same conf for every connection it sets up thereafter. This can cause problems
when security is enabled if the {{Configuration}} object provided when the first RPC connection
was made does not contain all possible entries for all server principals that will later be
used by subsequent connections. When this happens, it will result in later RPC connections
incorrectly failing with the error "Failed to specify server's Kerberos principal name" even
though the principal name was specified in the {{Configuration}} object provided on later
RPC connection attempts.
> I believe this means that we've inadvertently reintroduced HADOOP-6907.



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