[
https://issues.apache.org/jira/browse/HDFS-16072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ahmed Hussein resolved HDFS-16072.
----------------------------------
Fix Version/s: 2.10.2
Resolution: Fixed
> TestBlockRecovery fails consistently on Branch-2.10
> ---------------------------------------------------
>
> Key: HDFS-16072
> URL: https://issues.apache.org/jira/browse/HDFS-16072
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, test
> Affects Versions: 2.10.1
> Reporter: Ahmed Hussein
> Assignee: Ahmed Hussein
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.10.2
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> {{TestBlockRecovery}} fails on branch-2.10 consistently.
> I found that the failures were reported in the Qbt-Reports since March 2021
> to say the least.
> {code:bash}
> [ERROR] Tests run: 20, Failures: 0, Errors: 4, Skipped: 0, Time elapsed:
> 21.422 s <<< FAILURE! - in
> org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery
> [ERROR]
> testRaceBetweenReplicaRecoveryAndFinalizeBlock(org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery)
> Time elapsed: 2.814 s <<< ERROR!
> java.io.IOException: com.google.protobuf.ServiceException:
> java.lang.IllegalThreadStateException
> at
> org.apache.hadoop.ipc.ProtobufHelper.getRemoteException(ProtobufHelper.java:47)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getDatanodeReport(ClientNamenodeProtocolTranslatorPB.java:656)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:607)
> 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$Call.invokeOnce(RetryInvocationHandler.java:95)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
> at com.sun.proxy.$Proxy28.getDatanodeReport(Unknown Source)
> at org.apache.hadoop.hdfs.DFSClient.datanodeReport(DFSClient.java:2132)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2699)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2743)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1723)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:905)
> at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:517)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:476)
> at
> org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery.testRaceBetweenReplicaRecoveryAndFinalizeBlock(TestBlockRecovery.java:694)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:607)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:288)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:282)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: com.google.protobuf.ServiceException:
> java.lang.IllegalThreadStateException
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:244)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:118)
> at com.sun.proxy.$Proxy27.getDatanodeReport(Unknown Source)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getDatanodeReport(ClientNamenodeProtocolTranslatorPB.java:653)
> ... 30 more
> Caused by: java.lang.IllegalThreadStateException
> at java.lang.ThreadGroup.addUnstarted(ThreadGroup.java:864)
> at java.lang.Thread.init(Thread.java:405)
> at java.lang.Thread.init(Thread.java:349)
> at java.lang.Thread.<init>(Thread.java:678)
> at
> java.util.concurrent.Executors$DefaultThreadFactory.newThread(Executors.java:574)
> at
> com.google.common.util.concurrent.ThreadFactoryBuilder$1.newThread(ThreadFactoryBuilder.java:159)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.<init>(ThreadPoolExecutor.java:617)
> at
> java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:931)
> at
> java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1381)
> at
> java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
> at
> org.apache.hadoop.ipc.Client$Connection.sendRpcRequest(Client.java:1147)
> at org.apache.hadoop.ipc.Client.call(Client.java:1456)
> at org.apache.hadoop.ipc.Client.call(Client.java:1403)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
> ... 33 more
> [ERROR]
> testRecoveryTimeout(org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery)
> Time elapsed: 1.529 s <<< ERROR!
> java.io.IOException: com.google.protobuf.ServiceException:
> java.lang.IllegalThreadStateException
> at
> org.apache.hadoop.ipc.ProtobufHelper.getRemoteException(ProtobufHelper.java:47)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getDatanodeReport(ClientNamenodeProtocolTranslatorPB.java:656)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:607)
> 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$Call.invokeOnce(RetryInvocationHandler.java:95)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
> at com.sun.proxy.$Proxy28.getDatanodeReport(Unknown Source)
> at org.apache.hadoop.hdfs.DFSClient.datanodeReport(DFSClient.java:2132)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2699)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2743)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1723)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:905)
> at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:517)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:476)
> at
> org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery.testRecoveryWithDatanodeDelayed(TestBlockRecovery.java:1055)
> at
> org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery.testRecoveryTimeout(TestBlockRecovery.java:1045)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:607)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:288)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:282)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: com.google.protobuf.ServiceException:
> java.lang.IllegalThreadStateException
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:244)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:118)
> at com.sun.proxy.$Proxy27.getDatanodeReport(Unknown Source)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getDatanodeReport(ClientNamenodeProtocolTranslatorPB.java:653)
> ... 31 more
> Caused by: java.lang.IllegalThreadStateException
> at java.lang.ThreadGroup.addUnstarted(ThreadGroup.java:864)
> at java.lang.Thread.init(Thread.java:405)
> at java.lang.Thread.init(Thread.java:349)
> at java.lang.Thread.<init>(Thread.java:678)
> at
> java.util.concurrent.Executors$DefaultThreadFactory.newThread(Executors.java:574)
> at
> com.google.common.util.concurrent.ThreadFactoryBuilder$1.newThread(ThreadFactoryBuilder.java:159)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.<init>(ThreadPoolExecutor.java:617)
> at
> java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:931)
> at
> java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1381)
> at
> java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
> at
> org.apache.hadoop.ipc.Client$Connection.sendRpcRequest(Client.java:1147)
> at org.apache.hadoop.ipc.Client.call(Client.java:1456)
> at org.apache.hadoop.ipc.Client.call(Client.java:1403)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
> ... 34 more
> [ERROR]
> testRecoverySlowerThanHeartbeat(org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery)
> Time elapsed: 1.352 s <<< ERROR!
> java.io.IOException: com.google.protobuf.ServiceException:
> java.lang.IllegalThreadStateException
> at
> org.apache.hadoop.ipc.ProtobufHelper.getRemoteException(ProtobufHelper.java:47)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getDatanodeReport(ClientNamenodeProtocolTranslatorPB.java:656)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:607)
> 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$Call.invokeOnce(RetryInvocationHandler.java:95)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
> at com.sun.proxy.$Proxy28.getDatanodeReport(Unknown Source)
> at org.apache.hadoop.hdfs.DFSClient.datanodeReport(DFSClient.java:2132)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2699)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2743)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1723)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:905)
> at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:517)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:476)
> at
> org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery.testRecoveryWithDatanodeDelayed(TestBlockRecovery.java:1055)
> at
> org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery.testRecoverySlowerThanHeartbeat(TestBlockRecovery.java:1006)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:607)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:288)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:282)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: com.google.protobuf.ServiceException:
> java.lang.IllegalThreadStateException
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:244)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:118)
> at com.sun.proxy.$Proxy27.getDatanodeReport(Unknown Source)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getDatanodeReport(ClientNamenodeProtocolTranslatorPB.java:653)
> ... 31 more
> Caused by: java.lang.IllegalThreadStateException
> at java.lang.ThreadGroup.addUnstarted(ThreadGroup.java:864)
> at java.lang.Thread.init(Thread.java:405)
> at java.lang.Thread.init(Thread.java:349)
> at java.lang.Thread.<init>(Thread.java:678)
> at
> java.util.concurrent.Executors$DefaultThreadFactory.newThread(Executors.java:574)
> at
> com.google.common.util.concurrent.ThreadFactoryBuilder$1.newThread(ThreadFactoryBuilder.java:159)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.<init>(ThreadPoolExecutor.java:617)
> at
> java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:931)
> at
> java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1381)
> at
> java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
> at
> org.apache.hadoop.ipc.Client$Connection.sendRpcRequest(Client.java:1147)
> at org.apache.hadoop.ipc.Client.call(Client.java:1456)
> at org.apache.hadoop.ipc.Client.call(Client.java:1403)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
> ... 34 more
> [ERROR]
> testRecoveryWillIgnoreMinReplication(org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery)
> Time elapsed: 3.062 s <<< ERROR!
> java.io.IOException: com.google.protobuf.ServiceException:
> java.lang.IllegalThreadStateException
> at
> org.apache.hadoop.ipc.ProtobufHelper.getRemoteException(ProtobufHelper.java:47)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getDatanodeReport(ClientNamenodeProtocolTranslatorPB.java:656)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:607)
> 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$Call.invokeOnce(RetryInvocationHandler.java:95)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
> at com.sun.proxy.$Proxy28.getDatanodeReport(Unknown Source)
> at org.apache.hadoop.hdfs.DFSClient.datanodeReport(DFSClient.java:2132)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2699)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:2743)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1723)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:905)
> at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:517)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:476)
> at
> org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery.testRecoveryWillIgnoreMinReplication(TestBlockRecovery.java:1121)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:607)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:288)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:282)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: com.google.protobuf.ServiceException:
> java.lang.IllegalThreadStateException
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:244)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:118)
> at com.sun.proxy.$Proxy27.getDatanodeReport(Unknown Source)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getDatanodeReport(ClientNamenodeProtocolTranslatorPB.java:653)
> ... 30 more
> Caused by: java.lang.IllegalThreadStateException
> at java.lang.ThreadGroup.addUnstarted(ThreadGroup.java:864)
> at java.lang.Thread.init(Thread.java:405)
> at java.lang.Thread.init(Thread.java:349)
> at java.lang.Thread.<init>(Thread.java:678)
> at
> java.util.concurrent.Executors$DefaultThreadFactory.newThread(Executors.java:574)
> at
> com.google.common.util.concurrent.ThreadFactoryBuilder$1.newThread(ThreadFactoryBuilder.java:159)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.<init>(ThreadPoolExecutor.java:617)
> at
> java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:931)
> at
> java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1381)
> at
> java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
> at
> org.apache.hadoop.ipc.Client$Connection.sendRpcRequest(Client.java:1147)
> at org.apache.hadoop.ipc.Client.call(Client.java:1456)
> at org.apache.hadoop.ipc.Client.call(Client.java:1403)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
> ... 33 more
> {code}
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