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https://issues.apache.org/jira/browse/YARN-1321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13800346#comment-13800346
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Hadoop QA commented on YARN-1321:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12609360/YARN-1321.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 2 new
or modified test files.
{color:red}-1 javac{color}. The applied patch generated 1552 javac
compiler warnings (more than the trunk's current 1547 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:red}-1 findbugs{color}. The patch appears to introduce 1 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-client.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-YARN-Build/2233//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-YARN-Build/2233//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-yarn-client.html
Javac warnings:
https://builds.apache.org/job/PreCommit-YARN-Build/2233//artifact/trunk/patchprocess/diffJavacWarnings.txt
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/2233//console
This message is automatically generated.
> NMTokenCache is a a singleton, prevents multiple AMs running in a single JVM
> to work correctly
> ----------------------------------------------------------------------------------------------
>
> Key: YARN-1321
> URL: https://issues.apache.org/jira/browse/YARN-1321
> Project: Hadoop YARN
> Issue Type: Bug
> Components: client
> Affects Versions: 2.2.0
> Reporter: Alejandro Abdelnur
> Assignee: Alejandro Abdelnur
> Priority: Blocker
> Fix For: 2.2.1
>
> Attachments: YARN-1321.patch, YARN-1321.patch
>
>
> NMTokenCache is a singleton. Because of this, if running multiple AMs in a
> single JVM NMTokens for the same node from different AMs step on each other
> and starting containers fail due to mismatch tokens.
> The error observed in the client side is something like:
> {code}
> ERROR org.apache.hadoop.security.UserGroupInformation:
> PriviledgedActionException as:llama (auth:PROXY) via llama (auth:SIMPLE)
> cause:org.apache.hadoop.yarn.exceptions.YarnException: Unauthorized request
> to start container.
> NMToken for application attempt : appattempt_1382038445650_0002_000001 was
> used for starting container with container token issued for application
> attempt : appattempt_1382038445650_0001_000001
> {code}
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