javax.persistence.PersistenceException: No Persistence provider for EntityManager named ***
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最近调试一个项目,出现如下错误:
javax.persistence.PersistenceException: No Persistence provider for EntityManager named ***
检查persistence.xml。 <persistence-unit name="***" transaction-type="RESOURCE_LOCAL"> 提示说没找到我们申明的持久单元。 该行: <provider>org.hibernate.ejb.HibernatePersistence</provider> 不存在于系统中,需要去hibernate网站 http://hibernate.org/30.html 下载Hibernate EntityManager import到工程中 注: Hibernate 3.2以及以后的版本开始支持JPA,涉及JPA的子项目有三个, 它们分别是: — Hibernate Core:Hibernate框架的核心实现。 — Hibernate Annotations:支持JDK 5.0的注释。 — Hibernate EntityManager:支持JPA的实现。
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