tds/src/main/java/thredds/server/ncss/controller/NcssGridController.java
@RequestMapping("**/datasetBoundaries.xml")
  public void getDatasetBoundaries(NcssParamsBean params, HttpServletRequest req, HttpServletResponse res)
          throws IOException, UnsupportedResponseFormatException {
    SupportedFormat format = SupportedOperation.DATASET_BOUNDARIES_REQUEST.getSupportedFormat(params.getAccept());

    switch (format) {
      case WKT:  getDatasetBoundariesWKT(req, res);     break;
      case JSON: getDatasetBoundariesGeoJSON(req, res); break;
      default: throw new IllegalArgumentException(String.format(
              "Expected %s or %s, but got %s", SupportedFormat.WKT, SupportedFormat.JSON, format));
    }
  }
@RequestMapping("**/datasetBoundaries.xml")
  public void getDatasetBoundaries(NcssParamsBean params, HttpServletRequest req, HttpServletResponse res)
          throws IOException, UnsupportedResponseFormatException {
    SupportedFormat format = SupportedOperation.DATASET_BOUNDARIES_REQUEST.getSupportedFormat(params.getAccept());

    switch (format) {
      case WKT:  getDatasetBoundariesWKT(req, res);     break;
      case JSON: getDatasetBoundariesGeoJSON(req, res); break;
      default: throw new IllegalArgumentException(String.format(
              "Expected %s or %s, but got %s", SupportedFormat.WKT, SupportedFormat.JSON, format));
    }
  }
Supported for backwards compatibility. We prefer that datasetBoundaries.wkt or datasetBoundaries.json are used.