failed to load headsq.vti and its .gz data file into browser

[gzt036]

the http request to load headsq.vti always results in a 'download completed' dialog box, i tried with IE, chrome and firefox and the behaviour is the same. does this happen to you as well? just run the example in the development mode.

[gzt036]

the problem is with vtk.js\Sources\IO\Core\DataAccessHelper\HttpDataAccessHelper.js
Line 122

  // Make request
  xhr.open('GET', url, true);
  xhr.responseType =
    options.compression || array.dataType !== 'string'
      ? 'arraybuffer'
      : 'text';
  xhr.send();

xhr.responseType is set to 'arraybuffer', which is correct, the url to load is
1839938295fe4f0839c9df8d9fa67137.gz
in
public/headsq/data directory
, after xhr.send(), instead of returning a 200 response, it opens a diaglog and returns a 204 response.