java.net.ConnectException: Connection refused

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java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:305)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:171)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:158)
at java.net.Socket.connect(Socket.java:452)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.connect(DashoA12275)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.init(DashoA12275)
at sun.net.www.protocol.https.HttpsClient.doConnect(DashoA12275)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:402)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:618)
at sun.net.www.protocol.https.HttpsClient.init(DashoA12275)
at sun.net.www.protocol.https.HttpsClient.a(DashoA12275)
at sun.net.www.protocol.https.HttpsClient.a(DashoA12275)
at sun.net.www.protocol.https.HttpsClient.a(DashoA12275)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.plainConnect(DashoA12275)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(DashoA12275)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:569)
at com.hp.HPSendMessageToQueue.main(HPSendMessageToQueue.java:186)

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