title: java.lang.RuntimeException: WakeLock under-locked C2DM_LIB
body: <p>I have uploaded my application on google play but users have reported the following exception</p>
  
  <p><strong>java.lang.RuntimeException: WakeLock under-locked C2DM_LIB</strong>. This exception occurs when I try to release the <code>WakeLock</code>. Can anyone tell what could be the problem.</p>