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From "Xuan Gong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1521) Mark appropriate methods of ApplicationClientProtocol, ResourceManagerAdminist, ApplicationMasterProtocol and ResourceTracker with the idempotent annotation
Date Fri, 20 Dec 2013 02:47:07 GMT

    [ https://issues.apache.org/jira/browse/YARN-1521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13853609#comment-13853609
] 

Xuan Gong commented on YARN-1521:
---------------------------------

I did the test on single node cluster. When do the failover, nm will throw out this exception
: 
{code}
java.io.IOException: Failed on local exception: java.io.EOFException; Host Details : local
host is: "MacBook-Pro.local/10.217.34.50"; destination host is: "localhost":33125; 
	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:764)
	at org.apache.hadoop.ipc.Client.call(Client.java:1410)
	at org.apache.hadoop.ipc.Client.call(Client.java:1359)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206)
	at com.sun.proxy.$Proxy23.nodeHeartbeat(Unknown Source)
	at org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.nodeHeartbeat(ResourceTrackerPBClientImpl.java:80)
	at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:185)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy24.nodeHeartbeat(Unknown Source)
	at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl$1.run(NodeStatusUpdaterImpl.java:469)
	at java.lang.Thread.run(Thread.java:695)
Caused by: java.io.EOFException
	at java.io.DataInputStream.readInt(DataInputStream.java:375)
	at org.apache.hadoop.ipc.Client$Connection.receiveRpcResponse(Client.java:1050)
	at org.apache.hadoop.ipc.Client$Connection.run(Client.java:945)
13/12/19 16:53:59 ERROR nodemanager.NodeStatusUpdaterImpl: Caught exception in status-updater
java.io.IOException: Failed on local exception: java.io.EOFException; Host Details : local
host is: "MacBook-Pro.local/10.217.34.50"; destination host is: "localhost":33125; 
	at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:764)
	at org.apache.hadoop.ipc.Client.call(Client.java:1410)
	at org.apache.hadoop.ipc.Client.call(Client.java:1359)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206)
	at com.sun.proxy.$Proxy23.nodeHeartbeat(Unknown Source)
	at org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.nodeHeartbeat(ResourceTrackerPBClientImpl.java:80)
	at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:185)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy24.nodeHeartbeat(Unknown Source)
	at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl$1.run(NodeStatusUpdaterImpl.java:469)
	at java.lang.Thread.run(Thread.java:695)
Caused by: java.io.EOFException
	at java.io.DataInputStream.readInt(DataInputStream.java:375)
	at org.apache.hadoop.ipc.Client$Connection.receiveRpcResponse(Client.java:1050)
	at org.apache.hadoop.ipc.Client$Connection.run(Client.java:945)
{code}


> Mark appropriate methods of ApplicationClientProtocol, ResourceManagerAdminist, ApplicationMasterProtocol
and ResourceTracker with the idempotent annotation
> ------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-1521
>                 URL: https://issues.apache.org/jira/browse/YARN-1521
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Xuan Gong
>            Assignee: Xuan Gong
>
> After YARN-1028, we add the automatically failover into RMProxy. This JIRA is to identify
whether we need to add idempotent annotation and which methods can be marked as idempotent.



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