Make GetClusterNodesRequestPBImpl thread safe

2021-06-13 11:26:42,316 WARN client.RequestHedgingRMFailoverProxyProvider: Invocation returned exception: java.lang.ArrayIndexOutOfBoundsException: 1 on [resourcemanager-1], so propagating back to caller.
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 1
 at java.util.ArrayList.add(ArrayList.java:465)
 at org.apache.hadoop.yarn.proto.YarnServiceProtos$GetClusterNodesRequestProto$Builder.addAllNodeStates(YarnServiceProtos.java:28009)
 at org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetClusterNodesRequestPBImpl.mergeLocalToBuilder(GetClusterNodesRequestPBImpl.java:124)
 at org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetClusterNodesRequestPBImpl.mergeLocalToProto(GetClusterNodesRequestPBImpl.java:82)
 at org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetClusterNodesRequestPBImpl.getProto(GetClusterNodesRequestPBImpl.java:56)
 at org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.getClusterNodes(ApplicationClientProtocolPBClientImpl.java:329)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:422)
 at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:165)
 at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:157)
 at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
 at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
 at com.sun.proxy.$Proxy8.getClusterNodes(Unknown Source)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at org.apache.hadoop.yarn.client.RequestHedgingRMFailoverProxyProvider$RMRequestHedgingInvocationHandler$1.call(RequestHedgingRMFailoverProxyProvider.java:159)
 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 at java.lang.Thread.run(Thread.java:748)



2021-06-13 11:27:58,415 WARN client.RequestHedgingRMFailoverProxyProvider: Invocation returned exception: java.lang.UnsupportedOperationException on [resourcemanager-0], so propagating back to caller.
Exception in thread "main" java.lang.UnsupportedOperationException
        at java.util.Collections$UnmodifiableCollection.add(Collections.java:1057)
        at org.apache.hadoop.yarn.proto.YarnServiceProtos$GetClusterNodesRequestProto$Builder.addAllNodeStates(YarnServiceProtos.java:28009)
        at org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetClusterNodesRequestPBImpl.mergeLocalToBuilder(GetClusterNodesRequestPBImpl.java:124)
        at org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetClusterNodesRequestPBImpl.mergeLocalToProto(GetClusterNodesRequestPBImpl.java:82)
        at org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetClusterNodesRequestPBImpl.getProto(GetClusterNodesRequestPBImpl.java:56)
        at org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.getClusterNodes(ApplicationClientProtocolPBClientImpl.java:329)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:422)
        at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:165)
        at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:157)
        at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
        at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
        at com.sun.proxy.$Proxy8.getClusterNodes(Unknown Source)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.hadoop.yarn.client.RequestHedgingRMFailoverProxyProvider$RMRequestHedgingInvocationHandler$1.call(RequestHedgingRMFailoverProxyProvider.java:159)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)