java.net.ConnectException: Connection refused

Stack Overflow | Zik | 3 months ago
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Root Cause Analysis

  1. java.net.ConnectException

    Connection refused

    at sun.nio.ch.Net.connect0()
  2. Java RT
    SocketChannel.open
    1. sun.nio.ch.Net.connect0(Native Method)
    2. sun.nio.ch.Net.connect(Net.java:454)
    3. sun.nio.ch.Net.connect(Net.java:446)
    4. sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
    5. java.nio.channels.SocketChannel.open(SocketChannel.java:189)
    5 frames
  3. org.apache.nifi
    NiFiReceiver$ReceiveRunnable.run
    1. org.apache.nifi.remote.client.socket.EndpointConnectionPool.establishSiteToSiteConnection(EndpointConnectionPool.java:708)
    2. org.apache.nifi.remote.client.socket.EndpointConnectionPool.establishSiteToSiteConnection(EndpointConnectionPool.java:682)
    3. org.apache.nifi.remote.client.socket.EndpointConnectionPool.getEndpointConnection(EndpointConnectionPool.java:300)
    4. org.apache.nifi.remote.client.socket.SocketClient.createTransaction(SocketClient.java:129)
    5. org.apache.nifi.spark.NiFiReceiver$ReceiveRunnable.run(NiFiReceiver.java:149)
    5 frames