Spring Data - JPA, customizing Repository not working


I want to add a method to all JPA repositories and I followed the <a href="http://static.springsource.org/spring-data/data-jpa/docs/current/reference/html/#repositories.custom-implementations" rel="nofollow">manual</a> and created the following classes:

@NoRepositoryBean interface BillingEntityJPARepository<T, ID extends Serializable> extends JpaRepository<T, ID> { /** * @return */ public Set<T> findAllWithoutNullableObject(Class<T> clazz); } public class BillingEntityJPARepositoryImpl<T, ID extends Serializable> extends SimpleJpaRepository<T, ID> implements BillingEntityJPARepository<T, ID> { @PersistenceContext(type = PersistenceContextType.EXTENDED) private EntityManager entityManager; @Autowired private NullObjectsCache nullObjectsCache; /** * @param domainClass * @param em */ public BillingEntityJPARepositoryImpl(Class<T> domainClass, EntityManager em) { super(domainClass, em); } /** * {@inheritDoc} */ @Override public Set<T> findAllWithoutNullableObject(Class<T> clazz) { //... } } public class BillingEntityJPARepositoryFactoryBean<R extends JpaRepository<T, I>, T, I extends Serializable> extends JpaRepositoryFactoryBean<R, T, I> { /** * {@inheritDoc} */ protected RepositoryFactorySupport createRepositoryFactory(EntityManager entityManager) { return new BillingEntityJPARepositoryFactory(entityManager); } private static class BillingEntityJPARepositoryFactory<T, I extends Serializable> extends JpaRepositoryFactory { private EntityManager entityManager; /** * @param entityManager */ public BillingEntityJPARepositoryFactory(EntityManager entityManager) { super(entityManager); this.entityManager = entityManager; } /** * {@inheritDoc} */ protected Object getTargetRepository(RepositoryMetadata metadata) { return new BillingEntityJPARepositoryImpl<T, I>((Class<T>) metadata.getDomainClass(), entityManager); } /** * {@inheritDoc} */ protected Class<?> getRepositoryBaseClass(RepositoryMetadata metadata) { return BillingEntityJPARepository.class; } } }

Also I modified repository configuration:

<repositories base-package="xx.yy.billing.domain.repository.jpa" entity-manager-factory-ref="entityManagerFactory" factory-class="xx.yy.billing.domain.repository.jpa.BillingEntityJPARepositoryFactoryBean"/>

And finally I made all my repository interfaces extend BillingEntityJPARepository, now whenever I use any repository everything works fine unless I call the method defined in BillingEntityJPARepository (findAllWithoutNullableObject) it gives me the following exception:

Caused by: java.lang.IllegalAccessException: Class org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor can not access a member of class com.colureware.billing.domain.repository.jpa.BillingEntityJPARepository with modifiers "public abstract" at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:95) at java.lang.reflect.AccessibleObject.slowCheckMemberAccess(AccessibleObject.java:261) at java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:253) at java.lang.reflect.Method.invoke(Method.java:594) at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:368) at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:349) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:155) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202) ... 61 more

Any ideas?


Its a stupid mistake I forgot the public modifier in BillingEntityJPARepository declaration.


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