@Override
  protected void doPost(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
    processRequest(request, response);
  }
Handles the HTTP <code>POST</code> method.

@param request servlet request
@param response servlet response
@throws ServletException if a servlet-specific error occurs
@throws IOException if an I/O error occurs
extensions/geode-modules-session/src/integrationTest/java/org/apache/geode/modules/session/internal/filter/CallbackServlet.java