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POJava tutorial sample code throws: java.net.SocketException: Connection reset - what does cause it?
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  1. POJava tutorial sample code throws: java.net.SocketException: Connection reset - what does cause it?
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    copied!<p>So this is a <strong>beginner's question</strong>. </p> <p>When executing the sample code from the <a href="http://docs.oracle.com/javase/tutorial/networking/urls/readingURL.html" rel="nofollow" title="Java Tutorial">working with urls</a> chapter it throws: </p> <p>Exception in thread "main" <strong>java.net.SocketException: Connection reset</strong> at java.net.SocketInputStream.read(SocketInputStream.java:189) ...</p> <p>Origin is the <strong>openStream()</strong> method.</p> <p>Here is the code:</p> <pre><code> import java.net.*; import java.io.*; public class URLReader { public static void main(String[] args) throws Exception { URL oracle = new URL("http://www.oracle.com/"); BufferedReader in = new BufferedReader( new InputStreamReader(oracle.openStream())); String inputLine; while ((inputLine = in.readLine()) != null) { System.out.println(inputLine); } in.close(); } } </code></pre> <p>I know there are similar threads regarding that topic, but i could not find an answer that suits me.</p> <p><strong>What I've tried so far</strong>:</p> <ul> <li>I have set the proxy host as suggested <a href="http://docs.oracle.com/javase/tutorial/networking/urls/_setProxy.html" rel="nofollow">here</a>. Command was: <em>java -Dhttp.proxyHost=dslb-088-071-100-199.pools.arcor-ip.net</em>, I also tried it with inserting <em>System.setProperty("http.proxyHost", "dslb-088-071-100-199.pools.arcor-ip.net");</em> in the first line of the URLReader class.</li> <li>I tried JSoup html parser and </li> <li>org.apache.commons.io.FileUtils.copyURLToFile(URL, File) method to have a similar result.</li> </ul> <p>Whatever I try, I always get the same error: There will happen nothing for 30 seconds or so and then it throws the mentioned SocketException.</p> <p>I simply dont know how to continue in solving this problem. Helpful would be to get information about what happens in background during the 30seconds before connection reset.</p> <p><strong>So what could actually cause this Exception?</strong></p> <p>The smallest hint could help! Thank you!</p>
 

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