try {

            Class<?> c= Class.forName("com.csdhsm.chat.server.handler." + handlerName);

            Class<?>[] arg=new Class[]{SocketRequest.class,SocketResponse.class};

            Method method=c.getMethod(action,arg);

            Logger.getLogger(Logger.class).info("实例化处理器" + handlerName);

            method.invoke(c.newInstance(), new Object[]{request,response});

        } catch (Exception e) {

            e.printStackTrace();

        } 

try {

            Method method = obj.getClass().getMethod(methodName);

            method.invoke(obj);

        } catch(NoSuchMethodException e) {

            throw new RequestNotFoundException(

                    "无法找到方法：" + methodName, e);

        } catch(InvocationTargetException e) {

            Throwable t = e.getCause();

            t.printStackTrace();

            throw new ObjectFactoryException(t);

        } catch(Exception e) {

            e.printStackTrace();

            throw new ObjectFactoryException(e);

        }