org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.exception.JDBCConnectionException: Cannot open connection org.springframework.orm.hibernate3.Hiberna…

javax.servlet.ServletException: org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.TransactionException: JDBC begin failed: 这个问题,我在网上找的答案是: 1. 给jdbc ur…

我使用的是5.2.8的hibernate的jar包,运行的时候却报错Could not open Hibernate Session for transaction; nested exception is java.lang.NoClassDefFoundError: org/hibernate/engine/transaction/spi/TransactionContext 原因配置文件中 <bean id="transactionManager" class="…

今天客户发来的错误,是SSH框架做的项目,是用户在登陆时候出现的错误,但刷新之后就没问题. 提示错误:Could not open Hibernate Session for transaction.大概意思就是数据库连接超时. 解决方法如下: 在spring的配置文件中添加如下配置 给sessionFactory的bean添加如下配置 <bean id="sessionFactory" class="org.springframework.orm.hibernate3…

前端时间到客户那去进行项目的上线测试,将项目部署好之后,运行都是正常的,可是每到了第二天早上访问的时候,就会报一个Could not open Hibernate session for transaction 异常,Caused by: com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception,当时很摸不着头脑,后来就开始从数据库连接的源头开始找,本次项目中用的…

原因是配置文件中 <bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager"> <property name="sessionFactory" ref="sessionFactory"></property> </bean> 用的是hibe…

错误原因: mysql数据库没有连接上 我们来启动mysql 方法1: 管理员身份运行 cmd 输入:  net start mysql 方法2: Windows + R 运行 services.msc 打开服务 , 找到mysql服务 右键启动mysql服务…

Linux下mysql修改连接超时wait_timeout 1,首先: show variables like '%timeout%': 显示结果: +-----------------------------+----------+ | Variable_name               | Value    | +-----------------------------+----------+ | connect_timeout             | 10       | | d…

HTTP Status 500 - Request processing failed; nested exception is org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.exception.GenericJDBCException: Cou…

org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is com.alibaba.druid.pool.DataSourceDisableException 不能连接数据库…