Mysql JSF webApplication-glassfish服务器遇到内部错误

简言之：

[当我尝试创建新的JDBC连接池时，glassfish管理控制台出现问题]

有人能帮我解决这个问题吗

首先，我想在

netbeanside8.1

当我填写新建

JDBC连接池的页面时，glassfish控制台抛出以下异常：

type : Exception report

message :Internal Server Error

description : The server encountered an internal error that prevented it from fulfilling this request.

exception : 

java.lang.IllegalStateException: getOutputStream() has already been called for this response

note : The full stack traces of the exception and its root causes are available in the GlassFish Server Open Source Edition 4.1.1 logs.

有关更多信息，请参见此图片：

我在本教程中找到了解决问题的方法：