java.net.ConnectException: Connection refused; For more details see: >>> http://wiki.apache.org/hadoop/ConnectionRefused >>> at sun.reflect.GeneratedConstructorAccessor75.newInstance(Unknown >>> Source) ~[?:?] >>> at >>> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) >>> ~[?:1.7.0_79] >>> at java.lang.reflect.Constructor.newInstance(Constructor.java:526) >>> ~[?:1.7.0_79] >>> at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:783)

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    Root Cause Analysis

    1. java.net.ConnectException

      Connection refused; For more details see: >>> http://wiki.apache.org/hadoop/ConnectionRefused >>> at sun.reflect.GeneratedConstructorAccessor75.newInstance(Unknown >>> Source) ~[?:?] >>> at >>> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) >>> ~[?:1.7.0_79] >>> at java.lang.reflect.Constructor.newInstance(Constructor.java:526) >>> ~[?:1.7.0_79] >>> at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:783)

      at org.apache.hadoop.net.NetUtils.wrapException()
    2. Hadoop
      Client.call
      1. org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:730)
      2. org.apache.hadoop.ipc.Client.call(Client.java:1410)
      3. org.apache.hadoop.ipc.Client.call(Client.java:1359)
      3 frames