title: IBM Worklight 6.0 - "Instrumentation Failed" error
body: <p>While trying to deploy an iOS app to the IBM Worklight Application Center management console, we encounter the following error:</p>
  
  <blockquote>
    <p>File
    /var/folders/t0/jhv2njg9215........./T/temp19........./Rmot...App..AppIphone.zip
    is empty or invalid. Perhaps you did not build the project with XCode
    before instrumenting!</p>
  </blockquote>
  
  <p>These are the steps we've taken:</p>
  
  <ol>
  <li>In eclipse Navigate to the iPhone Environment and Right-Click.</li>
  <li>Go to IBM Application Center</li>
  <li>Choose Publish test-ready application.</li>
  </ol>
  
  <p>Our development environment: 
  Eclipse Java EE Juno SR2</p>