title: WARNING: unable to change permissions for everybody:
body: <p>When running the Java quickstart sample at <a href="https://developers.google.com/drive/web/quickstart/java?hl=hu">https://developers.google.com/drive/web/quickstart/java?hl=hu</a> in NetBeans, I'm receiving the error code: </p>
  
  <pre><code>Jun 04, 2015 12:12:11 AM com.google.api.client.util.store.FileDataStoreFactory setPermissionsToOwnerOnly
  WARNING: unable to change permissions for everybody:
  C:\Users\Quibbles\credentials\drive-api-quickstart
  </code></pre>
  
  <p>What am I doing wrong?</p>
  
  <p>Edit: This is the complete error message.</p>
  
  <pre><code>Jun 04, 2015 5:11:39 PM com.google.api.client.util.store.FileDataStoreFactory setPermissionsToOwnerOnly
  WARNING: unable to change permissions for owner: C:\Users\Quibbles\.credentials\drive-api-quickstart
  Exception in thread "main" java.lang.NullPointerException
      at java.io.Reader.&lt;init&gt;(Reader.java:78)
      at java.io.InputStreamReader.&lt;init&gt;(InputStreamReader.java:72)
      at DriveQuickstart.authorize(DriveQuickstart.java:64)
      at DriveQuickstart.getDriveService(DriveQuickstart.java:87)
      at DriveQuickstart.main(DriveQuickstart.java:96)
  Java Result: 1
  </code></pre>