java.net.ConnectException: Call From hn0-FooBar/10.XXX.XXX.XXX to hn1-FooBar.xyzabcxyzabc.ax.internal.cloudapp.net:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused

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  1. 0

    HDInsight-Spark (spark-submit) fails - java.lang.NoSuchMethodError: com.microsoft.azure.storage.blob.CloudBlockBlob.startCopy

    Stack Overflow | 7 months ago | Nihal Bhagchandani
    java.net.ConnectException: Call From hn0-FooBar/10.XXX.XXX.XXX to hn1-FooBar.xyzabcxyzabc.ax.internal.cloudapp.net:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
  2. 0

    Re: Slow waitForAckedSeqno took too long time

    hbase-user | 2 years ago | Esteban Gutierrez
    java.net.ConnectException: Connection timed out; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
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    Fwd: Slow waitForAckedSeqno took too long time

    hbase-user | 2 years ago | louis.hust
    java.net.ConnectException: Call From l-hbase2.dba.dev.cn0.qunar.com/10.86.36.218 to l-hbase1.dba.dev.cn0:8020 failed on connection exception: java.net.ConnectException: Connection timed out; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
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  5. 0

    Re: Slow waitForAckedSeqno took too long time

    hbase-user | 2 years ago | Esteban Gutierrez
    java.net.ConnectException: Connection timed out; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
  6. 0

    Re: Slow waitForAckedSeqno took too long time

    hbase-user | 2 years ago | louis.hust
    java.net.ConnectException: Call From l-hbase2.dba.dev.cn0.qunar.com/10.86.36.218 to l-hbase1.dba.dev.cn0:8020 failed on connection exception: java.net.ConnectException: Connection timed out; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused

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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$Invoker.invoke
    1. org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
    2. org.apache.hadoop.net.NetUtils.connect(NetUtils.java:531)
    3. org.apache.hadoop.net.NetUtils.connect(NetUtils.java:495)
    4. org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:617)
    5. org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:715)
    6. org.apache.hadoop.ipc.Client$Connection.access$2900(Client.java:378)
    7. org.apache.hadoop.ipc.Client.getConnection(Client.java:1492)
    8. org.apache.hadoop.ipc.Client.call(Client.java:1402)
    9. org.apache.hadoop.ipc.Client.call(Client.java:1363)
    10. org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
    10 frames
  4. com.sun.proxy
    $Proxy9.transitionToStandby
    1. com.sun.proxy.$Proxy9.transitionToStandby(Unknown Source)
    1 frame
  5. Hadoop
    ActiveStandbyElector.processResult
    1. org.apache.hadoop.ha.protocolPB.HAServiceProtocolClientSideTranslatorPB.transitionToStandby(HAServiceProtocolClientSideTranslatorPB.java:112)
    2. org.apache.hadoop.ha.FailoverController.tryGracefulFence(FailoverController.java:172)
    3. org.apache.hadoop.ha.ZKFailoverController.doFence(ZKFailoverController.java:514)
    4. org.apache.hadoop.ha.ZKFailoverController.fenceOldActive(ZKFailoverController.java:505)
    5. org.apache.hadoop.ha.ZKFailoverController.access$1100(ZKFailoverController.java:61)
    6. org.apache.hadoop.ha.ZKFailoverController$ElectorCallbacks.fenceOldActive(ZKFailoverController.java:892)
    7. org.apache.hadoop.ha.ActiveStandbyElector.fenceOldActive(ActiveStandbyElector.java:956)
    8. org.apache.hadoop.ha.ActiveStandbyElector.becomeActive(ActiveStandbyElector.java:855)
    9. org.apache.hadoop.ha.ActiveStandbyElector.processResult(ActiveStandbyElector.java:463)
    9 frames
  6. Zookeeper
    ClientCnxn$EventThread.run
    1. org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:611)
    2. org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:510)
    2 frames