title: Failed to load resource: the server responded with a status of 404 (Not Found)
body: <p>im trying to load a servlet for grid(xml) and I got that error "Failed to load resource: the server responded with a status of 404 (Not Found) error in server". How can i solve this?</p>
  
  <pre><code>&lt;!DOCTYPE html&gt;
  &lt;html&gt;
  &lt;head&gt;
  &lt;meta http-equiv="X-UA-Compatible" content="IE=edge"&gt;
  &lt;meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /&gt;
  &lt;title&gt;Data Binding Example&lt;/title&gt;
  &lt;!-- &lt;script type="text/javascript" src="ext-5.1.1/ext-all.js"&gt;&lt;/script&gt; --&gt;
  
  &lt;script type="text/javascript" src="ext-5.1.1/build/ext-all-debug.js"&gt;&lt;/script&gt;
  
  &lt;link rel="stylesheet" type="text/css"
      href="ext-5.1.1/examples/shared/example.css" /&gt;
  
  &lt;!-- GC --&gt;
  
  &lt;script type="text/javascript"
      src="ext-5.1.1/examples/shared/include-ext.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript"
      src="ext-5.1.1/examples/shared/options-toolbar.js"&gt;&lt;/script&gt;
  
  &lt;!-- page specific --&gt;
  &lt;script type="text/javascript" src="app.js"&gt;&lt;/script&gt;
  &lt;/head&gt;
  &lt;body&gt;
      &lt;h1&gt;Data Binding Example&lt;/h1&gt;
  &lt;!--    &lt;p&gt; --&gt;
  &lt;!--        This example expands upon the &lt;a href="xml-grid.html"&gt;XML Grid --&gt;
  &lt;!--            example&lt;/a&gt; and shows how to implement data binding for a master-detail --&gt;
  &lt;!--        view. --&gt;
  &lt;!--    &lt;/p&gt; --&gt;
  &lt;!--    &lt;p&gt; --&gt;
  &lt;!--        Note that the js is not minified so it is readable. See &lt;a --&gt;
  &lt;!--            href="app.js"&gt;app.js&lt;/a&gt;. --&gt;
  &lt;!--    &lt;/p&gt; --&gt;
      &lt;div id="binding-example"&gt;&lt;/div&gt;
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>