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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1559) Race between ServerRMProxy and ClientRMProxy setting RMProxy#INSTANCE
Date Sun, 05 Jan 2014 16:13:51 GMT

    [ https://issues.apache.org/jira/browse/YARN-1559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13862580#comment-13862580

Hadoop QA commented on YARN-1559:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  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
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

      {color:red}-1 javac{color}.  The applied patch generated 1552 javac compiler warnings
(more than the trunk's current 1542 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-yarn-project/hadoop-yarn/hadoop-yarn-client
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common:


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

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/2797//testReport/
Javac warnings: https://builds.apache.org/job/PreCommit-YARN-Build/2797//artifact/trunk/patchprocess/diffJavacWarnings.txt
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/2797//console

This message is automatically generated.

> Race between ServerRMProxy and ClientRMProxy setting RMProxy#INSTANCE
> ---------------------------------------------------------------------
>                 Key: YARN-1559
>                 URL: https://issues.apache.org/jira/browse/YARN-1559
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 2.4.0
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>            Priority: Blocker
>         Attachments: yarn-1559-1.patch
> RMProxy#INSTANCE is a non-final static field and both ServerRMProxy and ClientRMProxy
set it. This leads to races as witnessed on - YARN-1482.
> Sample trace:
> {noformat}
> java.lang.IllegalArgumentException: RM does not support this client protocol
>         at com.google.common.base.Preconditions.checkArgument(Preconditions.java:88)
>         at org.apache.hadoop.yarn.client.ClientRMProxy.checkAllowedProtocols(ClientRMProxy.java:119)
>         at org.apache.hadoop.yarn.client.ConfiguredRMFailoverProxyProvider.init(ConfiguredRMFailoverProxyProvider.java:58)
>         at org.apache.hadoop.yarn.client.RMProxy.createRMFailoverProxyProvider(RMProxy.java:158)
>         at org.apache.hadoop.yarn.client.RMProxy.createRMProxy(RMProxy.java:88)
>         at org.apache.hadoop.yarn.server.api.ServerRMProxy.createRMProxy(ServerRMProxy.java:56)
> {noformat}

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