spring-jpa：PropertyReferenceException：未找到类型[PerfectionTask]

分类：编程问答

如何解决spring-jpa：PropertyReferenceException：未找到类型[PerfectionTask]

我们正在尝试将spring-data-jpa从1.10.0升级到2.3.2 升级pom.xml中的版本后，尝试部署应用程序（作为Spring Boot应用程序）时遇到以下错误

org.springframework.data.mapping.PropertyReferenceException: No property save found for type PerfectionTask!

据我对错误的理解，“保存”方法属于PerfectionTaskRepository，但spring试图在PerfectionTask实体中查找“保存”方法，该方法显然不存在。 我只是不确定为什么要尝试在实体中找到保存方法

以下是各个存储库的代码段：

BaseDefinitionRepository.java 

@NoRepositoryBean
public interface BaseDefinitionRepository<T,D extends Serializable> extends JpaRepository<T,D>,JpaSpecificationExecutor<T> {

    <S extends T> S save(S entity,RequestDetails requestDetails);
    <S extends T> S saveAndFlush(S entity,RequestDetails requestDetails);
    <S extends T> List<S> save(Iterable<S> entities,RequestDetails requestDetails);

}

BaseDefinitionRepositoryImpl.java 

@NoRepositoryBean
public class BaseDefinitionRepositoryImpl<T,D extends Serializable>
        extends SimpleJpaRepository<T,D> implements BaseDefinitionRepository<T,D> {

    public BaseDefinitionRepositoryImpl(JpaEntityInformation<T,?> entityInformation,EntityManager entityManager) {
        super(entityInformation,entityManager);
    }

    public BaseDefinitionRepositoryImpl(Class<T> domainClass,EntityManager em) {
        super(domainClass,em);
    }

    @Override
    @Transactional
    public <S extends T> S save(S entity,RequestDetails requestDetails) {
        return super.save(entity);
    }

    @Override
    @Transactional
    public <S extends T> S saveAndFlush(S entity,RequestDetails requestDetails) {
        return super.saveAndFlush(entity);
    }

    @Override
    @Transactional
    public <S extends T>  List<S> save(Iterable<S> entities,RequestDetails requestDetails) {
        return super.saveAll(entities);
    }
}

PerfectionTaskRepository.java 

@Repository
public interface PerfectionTaskRepository extends BaseDefinitionRepository<PerfectionTask,Long> {
    
    PerfectionTask findByTmTaskId(String tmTaskId);

    List<PerfectionTask> findByTmTaskIdIn(List<String> tmTaskId);
}

部署过程中错误的整个堆栈跟踪：

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'perfectionTaskRepository' defined in <package-path>.repository.datamodel.PerfectionTaskRepository defined in @EnableJpaRepositories declared on WebAppConfig: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Failed to create query for method public abstract java.lang.Object <package-path>.repository.definition.BaseDefinitionRepository.saveAndFlush(java.lang.Object,<package-path>.repository.definition.RequestDetails)! No property save found for type PerfectionTask!
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1794) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:226) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:640) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    ... 59 common frames omitted
Caused by: java.lang.IllegalArgumentException: Failed to create query for method public abstract java.lang.Object <package-path>.repository.definition.BaseDefinitionRepository.saveAndFlush(java.lang.Object,<package-path>.repository.definition.RequestDetails)! No property save found for type PerfectionTask!
    at org.springframework.data.jpa.repository.query.PartTreeJpaQuery.<init>(PartTreeJpaQuery.java:96) ~[spring-data-jpa-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.jpa.repository.query.JpaQueryLookupStrategy$CreateQueryLookupStrategy.resolveQuery(JpaQueryLookupStrategy.java:107) ~[spring-data-jpa-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.jpa.repository.query.JpaQueryLookupStrategy$CreateIfNotFoundQueryLookupStrategy.resolveQuery(JpaQueryLookupStrategy.java:218) ~[spring-data-jpa-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.jpa.repository.query.JpaQueryLookupStrategy$AbstractQueryLookupStrategy.resolveQuery(JpaQueryLookupStrategy.java:81) ~[spring-data-jpa-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.lookupQuery(QueryExecutorMethodInterceptor.java:99) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.lambda$mapMethodsToQuery$1(QueryExecutorMethodInterceptor.java:92) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) ~[na:1.8.0_192]
    at java.util.Iterator.forEachRemaining(Iterator.java:116) ~[na:1.8.0_192]
    at java.util.Collections$UnmodifiableCollection$1.forEachRemaining(Collections.java:1049) ~[na:1.8.0_192]
    at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[na:1.8.0_192]
    at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) ~[na:1.8.0_192]
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) ~[na:1.8.0_192]
    at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) ~[na:1.8.0_192]
    at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:1.8.0_192]
    at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) ~[na:1.8.0_192]
    at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.mapMethodsToQuery(QueryExecutorMethodInterceptor.java:94) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.lambda$new$0(QueryExecutorMethodInterceptor.java:84) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at java.util.Optional.map(Optional.java:215) ~[na:1.8.0_192]
    at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.<init>(QueryExecutorMethodInterceptor.java:84) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:331) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.lambda$afterPropertiesSet$5(RepositoryFactoryBeanSupport.java:297) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.util.Lazy.getNullable(Lazy.java:212) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.util.Lazy.get(Lazy.java:94) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:300) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean.afterPropertiesSet(JpaRepositoryFactoryBean.java:144) ~[spring-data-jpa-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1853) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1790) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
    ... 69 common frames omitted
Caused by: org.springframework.data.mapping.PropertyReferenceException: No property save found for type PerfectionTask!
    at org.springframework.data.mapping.PropertyPath.<init>(PropertyPath.java:94) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.mapping.PropertyPath.create(PropertyPath.java:382) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.mapping.PropertyPath.create(PropertyPath.java:358) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.mapping.PropertyPath.lambda$from$0(PropertyPath.java:311) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at java.util.concurrent.ConcurrentMap.computeIfAbsent(ConcurrentMap.java:324) ~[na:1.8.0_192]
    at org.springframework.data.mapping.PropertyPath.from(PropertyPath.java:293) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.mapping.PropertyPath.from(PropertyPath.java:276) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.repository.query.parser.Part.<init>(Part.java:82) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.repository.query.parser.PartTree$OrPart.lambda$new$0(PartTree.java:251) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) ~[na:1.8.0_192]
    at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) ~[na:1.8.0_192]
    at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) ~[na:1.8.0_192]
    at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) ~[na:1.8.0_192]
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) ~[na:1.8.0_192]
    at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) ~[na:1.8.0_192]
    at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:1.8.0_192]
    at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) ~[na:1.8.0_192]
    at org.springframework.data.repository.query.parser.PartTree$OrPart.<init>(PartTree.java:252) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.repository.query.parser.PartTree$Predicate.lambda$new$0(PartTree.java:381) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) ~[na:1.8.0_192]
    at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) ~[na:1.8.0_192]
    at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) ~[na:1.8.0_192]
    at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) ~[na:1.8.0_192]
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) ~[na:1.8.0_192]
    at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) ~[na:1.8.0_192]
    at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:1.8.0_192]
    at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) ~[na:1.8.0_192]
    at org.springframework.data.repository.query.parser.PartTree$Predicate.<init>(PartTree.java:382) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.repository.query.parser.PartTree.<init>(PartTree.java:94) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    at org.springframework.data.jpa.repository.query.PartTreeJpaQuery.<init>(PartTreeJpaQuery.java:89) ~[spring-data-jpa-2.3.2.RELEASE.jar:2.3.2.RELEASE]
    ... 95 common frames omitted

解决方法

如the reference documentation中所述，您需要通过显式使用@EnableJpaRepositories(repositoryBaseClass = …)使Spring Data JPA知道您的基本存储库实现。

否则，将使用SimpleJpaRepository，并且在BaseDefinitionRepository上声明的方法将被解释为查询方法，而Spring Data会尝试这样解析它们，从而导致您看到异常

那就是说，我还不太清楚为什么您要首先扩展基类，因为实现实际上并没有利用附加参数（还好吗？）。我认为这是由于示例的状态所致，即您正尝试首先启动它，但还没有真正完成？

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