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java.net.ConnectException: Connection refused
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java.net.ConnectException: Connection refused
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 sun.net.NetworkClient.doConnect(NetworkClient.java:175)	at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)	at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)	at sun.net.www.http.HttpClient.(HttpClient.java:211)	at sun.net.www.http.HttpClient.New(HttpClient.java:308)	at sun.net.www.http.HttpClient.New(HttpClient.java:326)	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:996)	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:932)	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:850)	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1091)	at org.apache.avro.ipc.HttpTransceiver.writeBuffers(HttpTransceiver.java:71)	at org.apache.avro.ipc.Transceiver.transceive(Transceiver.java:58)	at org.apache.avro.ipc.Transceiver.transceive(Transceiver.java:72)	at org.apache.avro.ipc.Requestor.request(Requestor.java:147)	at org.apache.avro.ipc.Requestor.request(Requestor.java:101)	at org.apache.avro.ipc.specific.SpecificRequestor.invoke(SpecificRequestor.java:72)	at com.sun.proxy.$Proxy9.queryEvents(Unknown Source)	at com.cloudera.cmf.event.query.AvroEventStoreQueryProxy.doQuery(AvroEventStoreQueryProxy.java:160)	at com.cloudera.enterprise.alertpublisher.component.EventStoreConsumer.poll(EventStoreConsumer.java:167)	at org.apache.camel.impl.ScheduledPollConsumer.run(ScheduledPollConsumer.java:97)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at java.lang.Thread.run(Thread.java:745)