启动报异常：
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.tool.schema.spi.SchemaManagementException: Unable to open JDBC connection for schema management target
解决：
感觉有点莫名其妙......