code: public void initValuesNa() {
          // just set some default as not used
          setRequestPort("0");
          setHeaderMetadata(new ParallecHeader());
          setHttpMethod(HttpMethod.NA);
          setEntityBody(PcConstants.COMMAND_VAR_DEFAULT_REQUEST_CONTENT);
          setRequestUrlPostfix("");
          this.httpPollerProcessor = null;
          this.isPollable = false;
          this.asyncHttpClient = null;
          this.responseHeaderMeta = null;
      }
docs: for none HTTP type: set some default for HTTP (not used) to avoid NPE.