Question

在用Struts+Spring+Hibernate时遇到一直出现这个问题，求解决

typeException report
messageorg.springframework.transaction.CannotCreateTransactionException: Could not
open Hibernate Session for transaction; nested exception is
org.hibernate.exception.GenericJDBCException: Cannot open connection
descriptionThe server encountered an internal error that prevented
it from fulfilling this request.
exceptionjavax.servlet.ServletException: org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.exception.GenericJDBCException: Cannot open connection
org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:535)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:433)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
com.jwy.tools.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:31)

Answer 1

数据库连接错误，看是不是hibernate配饰数据库用户/密码那之类不正确，再就是看看数据库服务是不是没起开

Answer 2

你的spring的属性文件配置错误了, 主要是 数据管理器配置错误 导致数据连接初始化失败
你这个错误 启动tomcat就会报错

Answer 3

错误为不能为事物打开hibernate会话、不能打开连接；向这两个方向去找问题；涉及到这两个方面的代码和配置文件；确定了范围，锻炼自己解决问题的能力

追问

代码是书上给的，没做任何改变啊

追答

尽然这样，就好好宏观地检查一下吧！另外，书，也不一定都是正确的，需要检验

Answer 4

spring 中的session 没有打开

Answer 5

数据库连接有问题吧