if ( this.getUpdateRequest() == null )
throw new ARQException("Null update request for remote update") ;
// Execution
String reqStr = this.getUpdateRequest().toString() ;
Params ps = new Params(this.getParams());
ps.addParam(HttpParams.pUpdate, reqStr);
Map<String, HttpResponseHandler> handlers = new HashMap<String, HttpResponseHandler>() ;
handlers.put("*", HttpResponseLib.nullResponse) ;
HttpOp.execHttpPostForm(this.getEndpoint(), ps, handlers, getHttpContext()) ;
}