[jira] [Updated] (YARN-1559) Race between ServerRMProxy and ClientRMProxy setting RMProxy#INSTANCE

["Bikas Saha (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-1559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bikas Saha updated YARN-1559:
-----------------------------

    Issue Type: Sub-task  (was: Bug)
        Parent: YARN-149

> 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
>
> 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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