关于J2EE部分错误&解决方法对照表

最新推荐文章于 2021-06-07 11:03:00 发布

风落霜华

最新推荐文章于 2021-06-07 11:03:00 发布

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分类专栏：我是编程猿_J2EE 错误文章标签： j2ee jpa

本文链接：https://blog.youkuaiyun.com/qq_16581307/article/details/42045259

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本文解决了在J2EE环境中配置JPA事务管理时遇到的问题，即无法加载持久化提供者'org.hibernate.ejb.HibernatePersistence'导致的ClassNotFoundException。通过添加必要的JPA库，成功解决了这一问题。

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1.WARNING: Unable to load persistence provider "org.hibernate.ejb.HibernatePersistence" due to "java.lang.ClassNotFoundException: org.hibernate.ejb.HibernatePersistence"

部署环境:J2EE上配置JPA事务管理

错误全文:

WARNING: Unable to load persistence provider "org.hibernate.ejb.HibernatePersistence" due to "java.lang.ClassNotFoundException: org.hibernate.ejb.HibernatePersistence"
INFO: Found persistence provider "org.hibernate.ejb.HibernatePersistence". OpenJPA will not be used.
WARNING: Unable to load persistence provider "org.hibernate.ejb.HibernatePersistence" due to "java.lang.ClassNotFoundException: org.hibernate.ejb.HibernatePersistence"
INFO: Found persistence provider "org.hibernate.ejb.HibernatePersistence". OpenJPA will not be used.
java.lang.ExceptionInInitializerError
Caused by: javax.persistence.PersistenceException: No Persistence provider for EntityManager named qs
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:84)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:54)
at ...错误具体地址
Exception in thread "main" Java Result: 1

解决方法:

加入JPA事务管理所需要的库