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Root Cause Analysis

  1. java.net.ConnectException

    Connection refused

    at sun.nio.ch.SocketChannelImpl.checkConnect()
  2. Java RT
    SocketChannelImpl.finishConnect
    1. sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
    2. sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:744)
    2 frames
  3. Hadoop
    ProtobufRpcEngine$Invoker.invoke
    1. org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
    2. org.apache.hadoop.net.NetUtils.connect(NetUtils.java:529)
    3. org.apache.hadoop.net.NetUtils.connect(NetUtils.java:493)
    4. org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:611)
    5. org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:701)
    6. org.apache.hadoop.ipc.Client$Connection.access$2900(Client.java:371)
    7. org.apache.hadoop.ipc.Client.getConnection(Client.java:1465)
    8. org.apache.hadoop.ipc.Client.call(Client.java:1384)
    9. org.apache.hadoop.ipc.Client.call(Client.java:1366)
    10. org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206)
    10 frames
  4. com.sun.proxy
    $Proxy33.startContainers
    1. com.sun.proxy.$Proxy33.startContainers(Unknown Source)
    1 frame
  5. hadoop-yarn-common
    ContainerManagementProtocolPBClientImpl.startContainers
    1. org.apache.hadoop.yarn.api.impl.pb.client.ContainerManagementProtocolPBClientImpl.startContainers(ContainerManagementProtocolPBClientImpl.java:96)
    1 frame
  6. hadoop-mapreduce-client-app
    ContainerLauncherImpl$EventProcessor.run
    1. org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncherImpl$Container.launch(ContainerLauncherImpl.java:151)
    2. org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncherImpl$EventProcessor.run(ContainerLauncherImpl.java:355)
    2 frames
  7. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    3. java.lang.Thread.run(Thread.java:745)
    3 frames