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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11482) Clients that cache instances of KMSClientProvider fail Authentication when "addDelegationTokens()" method is called after authentication token validity expires
Date Fri, 23 Jan 2015 06:33:34 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14288859#comment-14288859
] 

Hadoop QA commented on HADOOP-11482:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12694087/HADOOP-11482.2.patch
  against trunk revision 5f124ef.

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

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {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
2.0.3) 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
hadoop-common-project/hadoop-kms:

                  org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/5463//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/5463//console

This message is automatically generated.

> Clients that cache instances of KMSClientProvider fail Authentication when "addDelegationTokens()"
method is called after authentication token validity expires 
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-11482
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11482
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.6.0
>            Reporter: Arun Suresh
>            Assignee: Arun Suresh
>         Attachments: HADOOP-11482.1.patch, HADOOP-11482.2.patch
>
>
> Long Living clients of HDFS (For eg. OOZIE) use cached DFSClients which in turn use a
cached KMSClientProvider to talk to KMS.
> Before an MR Job is run, the job client calls the {{DFClient.addDelegationTokens()}}
method which calls {{addDelegationTokens()}} on the {{KMSClientProvider}} to get any delegation
token associated to the user.
> Unfortunately, this call uses a cached {{DelegationTokenAuthenticationURL.Token}} instance
which can cause the {{SignerSecretProvider}} implementation of the {{AuthenticationFilter}}
at the KMS Server end to fail validation. Which results in the MR job itself failing.



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