Using setReadTimeout in HttpURLConnection with proxy settings

Question

I am trying to connect to the internet with the user defined proxy settings. I have set the setReadTimeout to 5 seconds. If the configured proxy is not correct, then we wont be able to connect to internet and i am using the following code, but the read time out is not at all happening.

            URL u = new URL("http://www.google.com/");
            System.out.println("Checking internet connection availability.....");
            System.setProperty("java.net.useSystemProxies", "true");
            System.setProperty("http.proxyHost", proxyHost);
            System.setProperty("http.proxyPort", proxyPort);
            HttpURLConnection uc = (HttpURLConnection) u.openConnection();
            uc.setReadTimeout(5000);
            System.out.println("Response code : " + uc.getResponseCode());
            System.out.println("Internet connection is available.....");

If i run the above code, then program is keep on executing and not getting terminated in 5 seconds.

Can anybody help me out here about the problem in my code ?

Thanks in advance.

Padrus · Accepted Answer · 2013-04-22 08:36:08Z

2

Try also adding uc.setConnectTimeout(5000);

Edit: Final solution

Use uc.connect(); before getting the response code.

Also, add the proxy configuration while opening the HttpURLConnection.

Like this :

HttpURLConnection uc = (HttpURLConnection) u.openConnection(new Proxy(Proxy.Type.HTTP, new InetSocketAddress(myProxyHost, Integer.parseInt(myProxyPort))));

edited Apr 22, 2013 at 8:36

answered Apr 22, 2013 at 6:31

Padrus

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4 Comments

Padrus Over a year ago

Weird, I have a code similar to yours excepted that I'm using the proxy-vole library to handle proxy's configuration and it seems to work perfectly.

Padrus Over a year ago

Maybe you can try using the uc.connect(); before getting the response code?

Dinesh Over a year ago

Thanks Padrus. I have used uc.connect() It is working now. Also, I have also added the proxy config while opening the HttpURLConnection like as follows,

HttpURLConnection uc = (HttpURLConnection) u.openConnection(new Proxy(Proxy.Type.HTTP, new InetSocketAddress(myProxyHost, Integer.parseInt(myProxyPort))));

Padrus Over a year ago

Nice, I'll edit my answer so maybe you can accept it and it could help other users.

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