[jira] [Commented] (YARN-690) RM exits on token cancel/renew problems

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13659965#comment-13659965 ] 

Hadoop QA commented on YARN-690:
--------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12583536/YARN-690.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:green}+1 core tests{color}.  The patch passed unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager.

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

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/943//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/943//console

This message is automatically generated.
                
> RM exits on token cancel/renew problems
> ---------------------------------------
>
>                 Key: YARN-690
>                 URL: https://issues.apache.org/jira/browse/YARN-690
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 3.0.0, 0.23.7, 2.0.5-beta
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Blocker
>         Attachments: YARN-690.patch
>
>
> The DelegationTokenRenewer thread is critical to the RM.  When a non-IOException occurs, the thread calls System.exit to prevent the RM from running w/o the thread.  It should be exiting only on non-RuntimeExceptions.
> The problem is especially bad in 23 because the yarn protobuf layer converts IOExceptions into UndeclaredThrowableExceptions (RuntimeException) which causes the renewer to abort the process.  An UnknownHostException takes down the RM...

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