JPA报错, PersistenceException_Unable to build Hibernate SessionFactory
javax.persistence.PersistenceException: [PersistenceUnit: TestJPA] Unable to build Hibernate SessionFactory
在一次练习中报出的错误, 因为是使用的JPA, 不可能会用到SessionFactory, 所以查了很多地方都没找到错误, 最后无意中看了一眼实体类, 发现少了个setter方法, 然后又从网上找了很多, 也没找到答案, 为什么少一个setter方法会报出Unable to build Hibernate SessionFactory的错误, 以后再查
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