java.net.ConnectException: Connection refused

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java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:579)
at org.apache.thrift7.transport.TSocket.open(TSocket.java:178)
at org.apache.thrift7.transport.TFramedTransport.open(TFramedTransport.java:81)
at backtype.storm.security.auth.SimpleTransportPlugin.connect(SimpleTransportPlugin.java:66)
at backtype.storm.security.auth.ThriftClient.(ThriftClient.java:46)
at backtype.storm.utils.NimbusClient.(NimbusClient.java:30)
at backtype.storm.utils.NimbusClient.(NimbusClient.java:26)
at backtype.storm.utils.NimbusClient.getConfiguredClient(NimbusClient.java:19)
at backtype.storm.StormSubmitter.submitTopology(StormSubmitter.java:70)
at backtype.storm.StormSubmitter.submitTopology(StormSubmitter.java:41)
at storm.starter.ExclamationTopology.main(ExclamationTopology.java:60)

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