docs: @GET
      @Path("node")
      @Produces(MediaType.APPLICATION_JSON)
      @HttpCache("public, max-age=60")
      public List<NodeDto> getNodes()
      {
          DbConn cnx = null;
          try
          {
              cnx = Helpers.getDbSession();
              return MetaService.getNodes(cnx);
          }
          finally
          {
              Helpers.closeQuietly(cnx);
          }
      }