Exception in thread "main" org.springframework.dao.InvalidDataAccessApiUsageException

Question

问题遇到的现象和发生背景

Exception in thread "main" org.springframework.dao.InvalidDataAccessApiUsageException: Unknown entity: com.hz.model.User; nested exception i

问题相关代码，请勿粘贴截图

Exception in thread "main" org.springframework.dao.InvalidDataAccessApiUsageException: Unknown entity: com.hz.model.User; nested exception is java.lang.IllegalArgumentException: Unknown entity: com.hz.model.User
    at org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:381)
    at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:418)
    at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:58)
    at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:213)
    at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:163)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
    at com.sun.proxy.$Proxy14.save(Unknown Source)
Caused by: java.lang.IllegalArgumentException: Unknown entity: com.hz.model.User
    at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:878)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:291)
    at com.sun.proxy.$Proxy13.persist(Unknown Source)
    

Answer 1

把persistence.xml放在src下的META-INF文件中

Spring jpa异常_jan2022的博客-CSDN博客 Exception in thread "main" org.springframework.dao.InvalidDataAccessApiUsageException: Unknown entity: com.ecs.model.User; nested exception is java.lang.IllegalArgumentException: Unknown entity: com.ec https://blog.csdn.net/mxj588love/article/details/53189254