配置ssh框架启动tomcat服务器报异常Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]

然后在启动服务器报了如下几个异常：

1、org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘sessionFactory‘ defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]

2、Caused by: org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]

3、Caused by: org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when ‘hibernate.dialect‘ not set

applicationContext.xml配置文件

db.properties.xml配置文件

后来检查发现，在加载读取配置文件的标签中

<context:property-placeholder location="classpath:dataSource.properties"  />  少了一条属性system-properties-mode="FALLBACK"，

系统默认为system-properties-mode="ENVIRONMENT"  意思就是从系统环境中去读取，把电脑名当做MySlq的用户名，修改之后运行成功。

配置ssh框架启动tomcat服务器报异常Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]

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