title: GAE - !MESSAGE An internal error occurred during: "Deploying..."
body: <p>I tried to deploy my test GWT app with Eclipse Indigo 3.7 but I get this error thrown. Here logs report...</p>
  
  <blockquote>
    <p>!ENTRY org.eclipse.core.jobs 4 2 2012-01-07 05:48:42.359 !MESSAGE An
    internal error occurred during: "Deploying TestApp01 to Google".
    !STACK 0 java.lang.NullPointerException   at
    com.google.appengine.eclipse.core.deploy.DeployProjectJob.runInWorkspace(DeployProjectJob.java:132)
      at
    org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38)
      at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)</p>
  </blockquote>
  
  <p>What can it be? Where to start looking the error comes from? How to fix it?</p>
  
  <p>Thanks</p>