code: public Object executeService(ContainerWrapper cw) throws Exception {
  		Debug.logVerbose("[JdonFramework]enter service execution core ", module);
  		Object result = null;
  		try {
  			AopClient aopClient = (AopClient) cw.lookup(ComponentKeys.AOP_CLIENT);
  			result = aopClient.invoke();
  		} catch (Exception ex) {
  			Debug.logError("[JdonFramework] execute the service error: " + ex, module);
  			throw new Exception("execute service error: " + ex);
  		} catch (Throwable ex) {
  			Debug.logError("[JdonFramework]  execute Service error: " + ex, module);
  			throw new Exception("  execute Service error: " + ex);
  		}
  		return result;
  	}
docs: /*
  (non-Javadoc)
  
  @see com.jdon.container.access.ServiceAccessor#executeService(com.jdon.container.access.UserTargetMetaDef)