title: ExtJS: Layout run failed with gridpanel and default layout (fit)
body: <p>I have a gridpanel which is failing the layout run with ext-dev and the context diagnostics on.</p>
  
  <p>I tried with the page analyzer and got this:</p>
  
  <pre><code>    gridview-1068&lt;tableview&gt;
      headercontainer-1066.columnWidthsDone (=undefined)
      dirty: false
      setBy: ??
  </code></pre>
  
  <p>I am in the process of <strong>upgrading from 4.1 to 4.2</strong>. Other than CSS changes, the only problem is this grid.</p>
  
  <p>It is bound to a store, the store has records, but the gridview is empty and has no nodes. So i am assuming this layout issue is related.</p>
  
  <p>Changing layout to <code>auto</code> on the gridpanel fixes it but results in a still empty grid.</p>
  
  <p>Any idea what this could be?</p>
  
  <p><strong>Edit:</strong></p>
  
  <p>I fixed the grid not displaying at all by a bad method call deep in the code base. But still I get the layout error, although it doesn't seem to affect much. Maybe because i have <code>header: false</code> so the failed <code>headercontainer</code> makes no difference.</p>