@WebMethod
  @Path("/getSubmissionsForAssignment")
  @Produces("text/plain")
  @GET
  public String getSubmissionsForAssignment(
      @WebParam(name = "sessionId", partName = "sessionId") @QueryParam("sessionId")
          String sessionId,
      @WebParam(name = "assignmentId", partName = "assignmentId") @QueryParam("assignmentId")
          String assignmentId) {
    try {

      Session s = establishSession(sessionId);
      Assignment assign = assignmentService.getAssignment(assignmentId);
      List subs = assignmentService.getSubmissions(assign);

      // build the xml
      LOG.debug("about to start building xml doc");
      Document dom = Xml.createDocument();
      Node all = dom.createElement("submissions");
      dom.appendChild(all);

      for (int i = 0; i < subs.size(); i++) {

        AssignmentSubmission thisSub = (AssignmentSubmission) subs.get(i);
        LOG.debug("got submission" + thisSub);
        Element uElement = dom.createElement("submission");
        uElement.setAttribute("feedback-comment", thisSub.getFeedbackComment());
        uElement.setAttribute("feedback-text", thisSub.getFeedbackText());
        uElement.setAttribute("grade", thisSub.getGrade());
        uElement.setAttribute("status", thisSub.getStatus());
        uElement.setAttribute("submitted-text", thisSub.getSubmittedText());
        List submitters = thisSub.getSubmitterIds();
        for (int q = 0; q < submitters.size(); q++) {
          uElement.setAttribute("submitter-id", (String) submitters.get(q));
        }

        List submissions = thisSub.getSubmittedAttachments();
        // Element attachments = dom.createElement("attachment");
        for (int q = 0; q < submissions.size(); q++) {
          // Element attachments = dom.createElement("attachment");
          Reference ref = (Reference) submissions.get(q);
          Entity ent = ref.getEntity();
          uElement.setAttribute("attachment-url", ent.getUrl());
          // all.appendChild();
        }

        all.appendChild(uElement);
      }
      String retVal = Xml.writeDocumentToString(dom);
      return retVal;
    } catch (Exception e) {
      LOG.error(
          "WS getSubmissionsForAssignment(): " + e.getClass().getName() + " : " + e.getMessage());
    }

    return "<submissions />";
  }