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POUnknownHostException with HTTPConnection in Android
 

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  1. POUnknownHostException with HTTPConnection in Android
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    <p>An <code>UnknownHostException</code> arises when I attempt to execute the following code...</p> <pre><code>String line; String url = "http://mywebsite.com"; URL theURL = new URL(url); HttpURLConnection conn = (HttpURLConnection) theURL.openConnection(); BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream())); line = rd.readLine(); conn.disconnect(); </code></pre> <p>I have followed suggestions from former posts to <strong>ensure that the Internet Permission Tag appears</strong> properly in the manifest. I also made sure that my Android has WIFI access, and that the website I am attempting to use is correct. This usually appeared to be a popular resource on StackOverflow: <a href="http://guerrarj.hubpages.com/hub/Tips-to-solve-the-UnknownHostException-on-Android" rel="nofollow">http://guerrarj.hubpages.com/hub/Tips-to-solve-the-UnknownHostException-on-Android</a></p> <p>The stack trace is...</p> <pre><code>java.net.UnknownHostException: the_website.com at java.net.InetAddress.lookupHostByName(InetAddress.java:512) at java.net.InetAddress.getAllByNameImpl(InetAddress.java:300) at java.net.InetAddress.getAllByName(InetAddress.java:259) at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection.&lt;init&gt;(HttpConnection.java:69) at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection.&lt;init&gt;(HttpConnection.java:48) at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection$Address.connect(HttpConnection.java:322) at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnectionPool.get(HttpConnectionPool.java:89) at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.getHttpConnection(HttpURLConnectionImpl.java:285) at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.makeConnection(HttpURLConnectionImpl.java:267) at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.retrieveResponse(HttpURLConnectionImpl.java:1018) at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:512) at com.example.privacyapp.MainActivity.scrapWeb(MainActivity.java:127) at com.example.privacyapp.MainActivity.checkLocation(MainActivity.java:148) at com.example.privacyapp.MainActivity$1.onLocationChanged(MainActivity.java:93) at android.location.LocationManager$ListenerTransport._handleMessage(LocationManager.java:227) at android.location.LocationManager$ListenerTransport.access$000(LocationManager.java:160) at android.location.LocationManager$ListenerTransport$1.handleMessage(LocationManager.java:176) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:150) at android.app.ActivityThread.main(ActivityThread.java:4263) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:507) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) at dalvik.system.NativeStart.main(Native Method) </code></pre> <p><strong>Update:</strong> It appeared that my WIFI connection was faulty. Without a connection, the UnknownHostException arises. </p>
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    1. COhave you add the internet permission in the manifest?
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    2. COYes, I did--are you referring to something other than what I mentioned in my original post?
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    3. COintenetn permistion and check you link on mobile browser it's work on mobile browser or not
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      1. USCoronaPintu
 

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