code: @SuppressWarnings("PMD.AvoidCatchingThrowable")
      private void print(final Request req, final OutputStream output)
          throws IOException {
          try {
              new RsPrint(this.take.act(req)).print(output);
          } catch (final HttpException ex) {
              new RsPrint(BkBasic.failure(ex, ex.code())).print(output);
              // @checkstyle IllegalCatchCheck (7 lines)
          } catch (final Throwable ex) {
              new RsPrint(
                  BkBasic.failure(
                      ex,
                      HttpURLConnection.HTTP_INTERNAL_ERROR
                  )
              ).print(output);
          }
      }
docs: Print response to output stream, safely.
  @param req Request
  @param output Output
  @throws IOException If fails