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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9317) User cannot specify a kerberos keytab for commands
Date Tue, 03 Dec 2013 05:23:36 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13837351#comment-13837351
] 

Hadoop QA commented on HADOOP-9317:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12584166/HADOOP-9317.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}.  The javadoc tool did not generate any 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/3328//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/3328//console

This message is automatically generated.

> User cannot specify a kerberos keytab for commands
> --------------------------------------------------
>
>                 Key: HADOOP-9317
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9317
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 0.23.0, 2.0.0-alpha, 3.0.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Critical
>         Attachments: HADOOP-9317.branch-23.patch, HADOOP-9317.branch-23.patch, HADOOP-9317.patch,
HADOOP-9317.patch, HADOOP-9317.patch, HADOOP-9317.patch
>
>
> {{UserGroupInformation}} only allows kerberos users to be logged in via the ticket cache
when running hadoop commands.  {{UGI}} allows a keytab to be used, but it's only exposed programatically.
 This forces keytab-based users running hadoop commands to periodically issue a kinit from
the keytab.  A race condition exists during the kinit when the ticket cache is deleted and
re-created.  Hadoop commands will fail when the ticket cache does not momentarily exist.



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