title: java.net.ConnectException: Connection refused: connect,Launch canceled
body: <p>I am trying to run android app from eclipse . I have connected a device to pc . When I am trying to run the apps , it shows me the following error . </p>
  
  <pre><code>[2015-09-09 17:35:47 - amtob] Failed to install amtob.apk on device 'QS7SJBG64LL7I7IN': Connection refused: connect
  [2015-09-09 17:35:47 - amtob] java.net.ConnectException: Connection refused: connect
  [2015-09-09 17:35:47 - amtob] Launch canceled!
  </code></pre>
  
  <p>What is error ? How can I solve them ? </p>