Connection refused

[bhargavtruecom]

Bug

kafka connection refused

Error Log

Feb 27, 2019 10:41:24 AM io.prometheus.jmx.JmxCollector collect
SEVERE: JMX scrape failed: java.rmi.ConnectException: Connection refused to host: 0.0.0.0; nested exception is: 
	java.net.ConnectException: Connection refused (Connection refused)
	at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:619)
	at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216)
	at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
	at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:130)
	at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(RemoteObjectInvocationHandler.java:227)
	at java.rmi.server.RemoteObjectInvocationHandler.invoke(RemoteObjectInvocationHandler.java:179)
	at com.sun.proxy.$Proxy3.newClient(Unknown Source)
	at javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2430)
	at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
	at javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:270)
	at io.prometheus.jmx.JmxScraper.doScrape(JmxScraper.java:94)
	at io.prometheus.jmx.JmxCollector.collect(JmxCollector.java:320)
	at io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.findNextElement(CollectorRegistry.java:73)
	at io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.<init>(CollectorRegistry.java:65)
	at io.prometheus.client.CollectorRegistry.metricFamilySamples(CollectorRegistry.java:56)
	at io.prometheus.client.exporter.MetricsServlet.doGet(MetricsServlet.java:41)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:735)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:648)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:455)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
	at org.eclipse.jetty.server.Server.handle(Server.java:365)
	at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:485)
	at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:926)
	at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:988)
	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635)
	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
	at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:627)
	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:51)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.ConnectException: Connection refused (Connection refused)
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:204)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at java.net.Socket.connect(Socket.java:538)
	at java.net.Socket.<init>(Socket.java:434)
	at java.net.Socket.<init>(Socket.java:211)
	at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
	at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:148)
	at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
	... 36 more

Kafka Docker Configuration

    kafka:
        image: confluentinc/cp-kafka:5.1.0
        container_name: kafka
        hostname: kafka
        ports:
            - "9092:9092"
            - "49998:49998"
        environment:
            KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
            KAFKA_ADVERTISED_LISTENERS: 'PLAINTEXT://kafka:9092'
            JMX_PORT: 49998

kafka-jmx-exporter

kafka-jmx-exporter:
    build: ./prometheus-jmx-exporter
    container_name: kafka-jmx-exporter
    ports:
      - "8091:8080"
    link
    - kafka
    environment:
      - JMX_PORT=49998
      - JMX_HOST=kafka
      - HTTP_PORT=8080
      - JMX_EXPORTER_CONFIG_FILE=kafka.yml
    networks:
        ray_network: