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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1559) Race between ServerRMProxy and ClientRMProxy setting RMProxy#INSTANCE
Date Mon, 06 Jan 2014 18:45:56 GMT

    [ https://issues.apache.org/jira/browse/YARN-1559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13863222#comment-13863222
] 

Hudson commented on YARN-1559:
------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #4959 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/4959/])
YARN-1559. Race between ServerRMProxy and ClientRMProxy setting RMProxy#INSTANCE. (kasha and
vinodkv via kasha) (kasha: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1555970)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/dev-support/findbugs-exclude.xml
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/ClientRMProxy.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/RMProxy.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/ServerRMProxy.java


> 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
>             Fix For: 2.4.0
>
>         Attachments: YARN-1559-20140105.txt, yarn-1559-1.patch, yarn-1559-2.patch, yarn-1559-3.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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