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https://issues.apache.org/jira/browse/YARN-7009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16165016#comment-16165016
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Grant Sohn commented on YARN-7009:
----------------------------------
+1 (non-binding).
> TestNMClient.testNMClientNoCleanupOnStop is flaky by design
> -----------------------------------------------------------
>
> Key: YARN-7009
> URL: https://issues.apache.org/jira/browse/YARN-7009
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Miklos Szegedi
> Assignee: Miklos Szegedi
> Attachments: YARN-7009.000.patch, YARN-7009.001.patch,
> YARN-7009.002.patch
>
>
> The sleeps to wait for a transition to reinit and than back to running is not
> long enough, it can miss the reinit event.
> {code}
> java.lang.AssertionError: Exception is not expected:
> org.apache.hadoop.yarn.exceptions.YarnException: Cannot perform RE_INIT on
> [container_1502735389852_0001_01_000001]. Current state is [REINITIALIZING,
> isReInitializing=true].
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.preReInitializeOrLocalizeCheck(ContainerManagerImpl.java:1772)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.reInitializeContainer(ContainerManagerImpl.java:1697)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.reInitializeContainer(ContainerManagerImpl.java:1668)
> at
> org.apache.hadoop.yarn.api.impl.pb.service.ContainerManagementProtocolPBServiceImpl.reInitializeContainer(ContainerManagementProtocolPBServiceImpl.java:214)
> at
> org.apache.hadoop.yarn.proto.ContainerManagementProtocol$ContainerManagementProtocolService$2.callBlockingMethod(ContainerManagementProtocol.java:237)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:523)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:991)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:869)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:815)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1962)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2675)
> at
> org.apache.hadoop.yarn.client.api.impl.TestNMClient.testReInitializeContainer(TestNMClient.java:567)
> at
> org.apache.hadoop.yarn.client.api.impl.TestNMClient.testContainerManagement(TestNMClient.java:405)
> at
> org.apache.hadoop.yarn.client.api.impl.TestNMClient.testNMClientNoCleanupOnStop(TestNMClient.java:214)
> 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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
> Caused by: org.apache.hadoop.yarn.exceptions.YarnException: Cannot perform
> RE_INIT on [container_1502735389852_0001_01_000001]. Current state is
> [REINITIALIZING, isReInitializing=true].
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.preReInitializeOrLocalizeCheck(ContainerManagerImpl.java:1772)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.reInitializeContainer(ContainerManagerImpl.java:1697)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.reInitializeContainer(ContainerManagerImpl.java:1668)
> at
> org.apache.hadoop.yarn.api.impl.pb.service.ContainerManagementProtocolPBServiceImpl.reInitializeContainer(ContainerManagementProtocolPBServiceImpl.java:214)
> at
> org.apache.hadoop.yarn.proto.ContainerManagementProtocol$ContainerManagementProtocolService$2.callBlockingMethod(ContainerManagementProtocol.java:237)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:523)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:991)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:869)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:815)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1962)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2675)
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> at
> org.apache.hadoop.yarn.ipc.RPCUtil.instantiateException(RPCUtil.java:53)
> at
> org.apache.hadoop.yarn.ipc.RPCUtil.instantiateYarnException(RPCUtil.java:75)
> at
> org.apache.hadoop.yarn.ipc.RPCUtil.unwrapAndThrowException(RPCUtil.java:116)
> at
> org.apache.hadoop.yarn.api.impl.pb.client.ContainerManagementProtocolPBClientImpl.reInitializeContainer(ContainerManagementProtocolPBClientImpl.java:237)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:422)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler$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.$Proxy93.reInitializeContainer(Unknown Source)
> at
> org.apache.hadoop.yarn.client.api.impl.NMClientImpl.reInitializeContainer(NMClientImpl.java:322)
> at
> org.apache.hadoop.yarn.client.api.impl.TestNMClient.testReInitializeContainer(TestNMClient.java:561)
> ... 11 more
> Caused by:
> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.yarn.exceptions.YarnException):
> Cannot perform RE_INIT on [container_1502735389852_0001_01_000001]. Current
> state is [REINITIALIZING, isReInitializing=true].
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.preReInitializeOrLocalizeCheck(ContainerManagerImpl.java:1772)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.reInitializeContainer(ContainerManagerImpl.java:1697)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.reInitializeContainer(ContainerManagerImpl.java:1668)
> at
> org.apache.hadoop.yarn.api.impl.pb.service.ContainerManagementProtocolPBServiceImpl.reInitializeContainer(ContainerManagementProtocolPBServiceImpl.java:214)
> at
> org.apache.hadoop.yarn.proto.ContainerManagementProtocol$ContainerManagementProtocolService$2.callBlockingMethod(ContainerManagementProtocol.java:237)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:523)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:991)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:869)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:815)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1962)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2675)
> at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1490)
> at org.apache.hadoop.ipc.Client.call(Client.java:1436)
> at org.apache.hadoop.ipc.Client.call(Client.java:1346)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:228)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:116)
> at com.sun.proxy.$Proxy92.reInitializeContainer(Unknown Source)
> at
> org.apache.hadoop.yarn.api.impl.pb.client.ContainerManagementProtocolPBClientImpl.reInitializeContainer(ContainerManagementProtocolPBClientImpl.java:235)
> ... 23 more
> {code}
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