title: How to play mp3 file using Blob-key of blob store of app engine in jsp file with HTML5 audio tag?
body: <p>I uploaded my 4MB mpe file in App engine blobstore. By retrieving its Blob-key, i tried to play it in jsp file using HTML 5 audio tag. But its not working . The code is given below:</p>
  
  <pre><code>&lt;%@page import="com.google.appengine.api.blobstore.BlobKey" %&gt;
  &lt;%@page import="com.google.appengine.api.blobstore.BlobstoreService" %&gt;
  &lt;%@page import="com.google.appengine.api.blobstore.BlobstoreServiceFactory" %&gt;
  &lt;html&gt;
  &lt;head&gt;
  &lt;meta http-equiv="Content-Type" content="audio/mpeg3; charset=ISO-8859-1"&gt;
  &lt;title&gt;Insert title here&lt;/title&gt;
  &lt;/head&gt;
  &lt;body&gt;
  &lt;%
  BlobstoreService blobstoreService = BlobstoreServiceFactory.getBlobstoreService();
  BlobKey blobKey = new BlobKey(request.getParameter("blob-key"));
  %&gt;&lt;%=request.getParameter("blob-key")%&gt;
  
  &lt;audio controls="controls"&gt;
    &lt;source src="&lt;%=request.getParameter("blob-key")%&gt;" type="audio/mp3" /&gt;
  &lt;/audio&gt;
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>