问使用AS3调用REST服务时发生流错误

EN

import flash.events.Event; 
import flash.events.ErrorEvent; 
import flash.events.IOErrorEvent; 
import flash.events.SecurityErrorEvent; 
import flash.net.URLLoader; 
import flash.net.URLRequest; 
import flash.net.URLRequestMethod; 
import flash.net.URLVariables;

var url:String = "https://localhost:8443/restcomponent/tesimalex";

var requestor:URLLoader = new URLLoader(); 

function restServiceCall():void 
{ 
    trace("Calling REST Service...");
    //Create the HTTP request object 
    var request:URLRequest = new URLRequest( url ); 
    request.method = URLRequestMethod.GET; 

    //Add the URL variables 
  //  var variables:URLVariables = new URLVariables(); 
  //  variables.method = "test.echo"; 
  //  variables.api_key = "123456ABC"; 
  //  variables.message = "Able was I, ere I saw Elba.";             
  //  request.data = variables; 

    //Initiate the transaction 
    requestor = new URLLoader(); 
    requestor.addEventListener( Event.COMPLETE, httpRequestComplete ); 
    requestor.addEventListener( IOErrorEvent.IO_ERROR, httpRequestError ); 
    requestor.addEventListener( SecurityErrorEvent.SECURITY_ERROR, httpRequestError ); 
    requestor.load( request ); 
} 

function httpRequestComplete( event:Event ):void 
{ 
    trace( event.target.data );     
} 

function httpRequestError( error:ErrorEvent ):void{ 
    trace( "An error occured: " + error.toString() );     
}