问题：Error creating bean with name ‘sqlSessionFactory‘ defined in class path resource [applicationContext-dao.xml]: Error
setting property values; nested exception is org.springframework.beans.PropertyBatchUpdateException; nested
PropertyAccessExceptions (1) are:
PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property ‘dataSource‘ threw exception; nested
exception is java.lang.NoClassDefFoundError: org/springframework/jdbc/datasource/TransactionAwareDataSourceProxy
原因：确实jdbc jar包
解决：导入相应jar包

java.lang.NoClassDefFoundError: org/springframework/jdbc/datasource/TransactionAwareDataSourceProxy