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Connection Refused Exception

 
paddy Mahadeva Iyer
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Hi,

I am working on a application that tries to send out a message to server . but when the system tries to post to the server it gets the following exception


java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.Socket.connect(Socket.java:519)
at java.net.Socket.connect(Socket.java:469)
at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:382)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:494)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:231)
at sun.net.www.http.HttpClient.New(HttpClient.java:304)
at sun.net.www.http.HttpClient.New(HttpClient.java:316)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:817)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:769)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:694)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:861)




I found that the excption is being triggerd from my code in a line where an attempt to get an outputstream is made with the httpurlconnection object.

Can somebody tell me what are the probable causes of such an exception?
 
Joe Ess
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The most common causes are a firewall between your server and client or the server is not listening. Can you open the same URL with a browser?
 
paddy Mahadeva Iyer
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no i cannot!
 
Joe Ess
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Can you ping the server?
 
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