code: @Deprecated
      public void shutdownOutput() {
          LOG.trace("enter HttpConnection.shutdownOutput()");
  
          try {
              socket.shutdownOutput();
          } catch (Exception ex) {
              LOG.debug("Unexpected Exception caught", ex);
              // Ignore, and hope everything goes right
          }
          // close output stream?
      }
docs: Attempts to shutdown the {@link Socket}'s output, via Socket.shutdownOutput()
  when running on JVM 1.3 or higher.
  
  @deprecated unused