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jpa PropertyReferenceException: No property user found for User异常
分类：异常
异常jpa
异常详情:
Caused by: org.springframework.data.mapping.PropertyReferenceException: No property name found for type User!at org.springframework.data.mapping.PropertyPath.<init>(PropertyPath.java:75)at org.springframework.data.mapping.PropertyPath.create(PropertyPath.java:327)at org.springframework.data.mapping.PropertyPath.create(PropertyPath.java:307)at org.springframework.data.mapping.PropertyPath.from(PropertyPath.java:270)at org.springframework.data.mapping.PropertyPath.from(PropertyPath.java:241)at org.springframework.data.repository.query.parser.Part.<init>(Part.java:76)at org.springframework.data.repository.query.parser.PartTree$OrPart.<init>(PartTree.java:213)at org.springframework.data.repository.query.parser.PartTree$Predicate.buildTree(PartTree.java:321)at org.springframework.data.repository.query.parser.PartTree$Predicate.<init>(PartTree.java:301)at org.springframework.data.repository.query.parser.PartTree.<init>(PartTree.java:85)at org.springframework.data.jpa.repository.query.PartTreeJpaQuery.<init>(PartTreeJpaQuery.java:60)at org.springframework.data.jpa.repository.query.JpaQueryLookupStrategy$CreateQueryLookupStrategy.resolveQuery(JpaQueryLookupStrategy.java:91)at org.springframework.data.jpa.repository.query.JpaQueryLookupStrategy$CreateIfNotFoundQueryLookupStrategy.resolveQuery(JpaQueryLookupStrategy.java:168)at org.springframework.data.jpa.repository.query.JpaQueryLookupStrategy$AbstractQueryLookupStrategy.resolveQuery(JpaQueryLookupStrategy.java:69)at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.<init>(RepositoryFactorySupport.java:320)at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:169)at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.initAndReturn(RepositoryFactoryBeanSupport.java:224)at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:210)at org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean.afterPropertiesSet(JpaRepositoryFactoryBean.java:92)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1612)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1549)… 66 more
解决办法:
User findByLoginName(String loginName); 如果采用JPA默认的命名规范，应该写成User findByLoginname(String loginName); 这样会默认找loginname 属性否则findByLoginName 这样找的是Login对象的name属性，，如果不想改名字最好就加上 @Query 注解写清楚
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