code: public void clear() {
          this.attributes.clear();
          this.queryParameters = null;
          this.inReader = null;
          this.streamActive = false;
          this.inStream = null;
          this.encoding = null;
          this.sessionData = null;
          this.strippedURI = null;
          this.srvContext = null;
          this.srvPath = null;
          this.pathInfo = null;
          this.pathInfoComputed = false;
          this.filters = null;
      }
docs: Clear all the temporary variables of this request.