code: @Override
      public void alertISClose() {
          if (TraceComponent.isAnyTracingEnabled()&&logger.isLoggable (Level.FINE)) {
              logger.logp(Level.FINE, CLASS_NAME,"alertISClose()", "");
          }
          if (WCCustomProperties.CHECK_REQUEST_OBJECT_IN_USE){
              checkRequestObjectInUse();
          }
          
          if (_srtRequestHelper != null)
              _srtRequestHelper._InputStreamClosed=true; 
      }
docs: /* (non-Javadoc)
  @see com.ibm.ws.http.channel.inputstream.HttpInputStreamObserver#alertISClose()