org.hibernate.transaction.JDBCTransaction cannot be cast to javax.transaction.Transaction
这部分的具体地方为Transaction tr =(Transaction) session.beginTransaction();
错误原因：包倒错了，应该导入的包是hibernate的Transaction包
Q : 823053937
org.hibernate.transaction.JDBCTransaction cannot be cast to javax.transaction.Transaction
这部分的具体地方为Transaction tr =(Transaction) session.beginTransaction();
错误原因：包倒错了，应该导入的包是hibernate的Transaction包
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