title: AdMob wont display ads
body: <p>I put admob in a app, and I tested it and it works fine in a emulator and the ads show, but when I try to check if it works on my phone the ads dont show and I get these error messages in logcat:</p>
  
  <pre><code>06-02 10:30:58.405: W/Ads(6148): IOException connecting to ad url.
  06-02 10:30:58.405: W/Ads(6148): java.net.ConnectException: failed to connect to googleads.g.doubleclick.net/127.0.0.1 (port 80): connect failed: ECONNREFUSED (Connection refused)
  06-02 10:30:58.405: W/Ads(6148):    at libcore.io.IoBridge.connect(IoBridge.java:114)
  06-02 10:30:58.405: W/Ads(6148):    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192)
  06-02 10:30:58.405: W/Ads(6148):    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:459)
  06-02 10:30:58.405: W/Ads(6148):    at java.net.Socket.connect(Socket.java:842)
  06-02 10:30:58.405: W/Ads(6148):    at libcore.net.http.HttpConnection.&lt;init&gt;(HttpConnection.java:77)
  06-02 10:30:58.405: W/Ads(6148):    at libcore.net.http.HttpConnection.&lt;init&gt;(HttpConnection.java:50)
  06-02 10:30:58.405: W/Ads(6148):    at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:351)
  06-02 10:30:58.405: W/Ads(6148):    at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:86)
  06-02 10:30:58.405: W/Ads(6148):    at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
  06-02 10:30:58.405: W/Ads(6148):    at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:308)
  06-02 10:30:58.405: W/Ads(6148):    at libcore.net.http.HttpEngine.connect(HttpEngine.java:303)
  06-02 10:30:58.405: W/Ads(6148):    at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:282)
  06-02 10:30:58.405: W/Ads(6148):    at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:232)
  06-02 10:30:58.405: W/Ads(6148):    at libcore.net.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:80)
  06-02 10:30:58.405: W/Ads(6148):    at com.google.ads.internal.f.b(SourceFile:428)
  06-02 10:30:58.405: W/Ads(6148):    at com.google.ads.internal.f.run(SourceFile:399)
  06-02 10:30:58.405: W/Ads(6148):    at java.lang.Thread.run(Thread.java:856)
  06-02 10:30:58.405: W/Ads(6148): Caused by: libcore.io.ErrnoException: connect failed:
  .................. 
  </code></pre>
  
  <p>The phone is connected to wifi and the internet is working fine.</p>
  
  <p>EDIT:
   The reason why it it didn't work is because I'm running a custom rom and it blocked all ads, the workaround was to edit the hosts file and remove all the adblocking from it! :)</p>