Karthik Kambatla created YARN-1559:
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Summary: 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: Bug
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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