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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3055) The token is not renewed properly if it's shared by jobs (oozie) in DelegationTokenRenewer
Date Sat, 04 Apr 2015 22:22:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-3055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14395973#comment-14395973
] 

Hadoop QA commented on YARN-3055:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12691941/YARN-3055.002.patch
  against trunk revision 4b3948e.

    {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
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-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:

                  org.apache.hadoop.yarn.server.resourcemanager.security.TestDelegationTokenRenewer

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/7220//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/7220//console

This message is automatically generated.

> The token is not renewed properly if it's shared by jobs (oozie) in DelegationTokenRenewer
> ------------------------------------------------------------------------------------------
>
>                 Key: YARN-3055
>                 URL: https://issues.apache.org/jira/browse/YARN-3055
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: security
>            Reporter: Yi Liu
>            Assignee: Yi Liu
>            Priority: Blocker
>         Attachments: YARN-3055.001.patch, YARN-3055.002.patch
>
>
> After YARN-2964, there is only one timer to renew the token if it's shared by jobs. 
> In {{removeApplicationFromRenewal}}, when going to remove a token, and the token is shared
by other jobs, we will not cancel the token. 
> Meanwhile, we should not cancel the _timerTask_, also we should not remove it from {{allTokens}}.
Otherwise for the existing submitted applications which share this token will not get renew
any more, and for new submitted applications which share this token, the token will be renew
immediately.
> For example, we have 3 applications: app1, app2, app3. And they share the token1. See
following scenario:
> *1).* app1 is submitted firstly, then app2, and then app3. In this case, there is only
one token renewal timer for token1, and is scheduled when app1 is submitted
> *2).* app1 is finished, then the renewal timer is cancelled. token1 will not be renewed
any more, but app2 and app3 still use it, so there is problem.



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