BeanCreationException and IllegalAccessError or how to properly organize the layer to work with the database

UPDATE issue resolved. There was an incorrect name of the method findByUser (User user), I need List findByUserId (User user), since I do not have the user field, but I have userId

I just started learning Spring and faced the following problem:

I have a database like this

That is, I have 5 entity classes. For each, I want to write a repository (dao) and service. I have already written a repository and service for 3 entities (category, users, item).

@Entity @Table public class Category implements Serializable{ //тут поля и геттеры и сеттеры к ним } public interface CategoryRepository extends CrudRepository<Category, Long> { //методы } public interface CategoryService { //методы } @Service("categoryService") @Repository @Transactional public class CategoryServiceImpl implements CategoryService { @Autowired private CategoryRepository categoryRepository; //методы } 

Same for Users and Item . When I added the repository and service for UserOrder Spring started swearing:

 java.lang.IllegalStateException: Failed to load ApplicationContext at org.springframework.test.context.CacheAwareContextLoaderDelegate.loadContext(CacheAwareContextLoaderDelegate.java:99) at org.springframework.test.context.DefaultTestContext.getApplicationContext(DefaultTestContext.java:101) at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:109) at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:75) at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:331) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:213) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:290) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:292) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:233) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:87) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:176) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:78) at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:212) at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:68) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140) Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userOrderRepository': Invocation of init method failed; nested exception is java.lang.IllegalAccessError: tried to access class org.springframework.beans.PropertyMatches from class org.springframework.data.mapping.PropertyReferenceException at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1566) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:736) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480) at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:125) at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:60) at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.delegateLoading(AbstractDelegatingSmartContextLoader.java:100) at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.loadContext(AbstractDelegatingSmartContextLoader.java:250) at org.springframework.test.context.CacheAwareContextLoaderDelegate.loadContextInternal(CacheAwareContextLoaderDelegate.java:64) at org.springframework.test.context.CacheAwareContextLoaderDelegate.loadContext(CacheAwareContextLoaderDelegate.java:91) ... 28 more Caused by: java.lang.IllegalAccessError: tried to access class org.springframework.beans.PropertyMatches from class org.springframework.data.mapping.PropertyReferenceException at org.springframework.data.mapping.PropertyReferenceException.detectPotentialMatches(PropertyReferenceException.java:134) at org.springframework.data.mapping.PropertyReferenceException.<init>(PropertyReferenceException.java:59) 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:235) at org.springframework.data.repository.query.parser.PartTree$Predicate.buildTree(PartTree.java:373) at org.springframework.data.repository.query.parser.PartTree$Predicate.<init>(PartTree.java:353) at org.springframework.data.repository.query.parser.PartTree.<init>(PartTree.java:87) at org.springframework.data.jpa.repository.query.PartTreeJpaQuery.<init>(PartTreeJpaQuery.java:61) at org.springframework.data.jpa.repository.query.JpaQueryLookupStrategy$CreateQueryLookupStrategy.resolveQuery(JpaQueryLookupStrategy.java:95) at org.springframework.data.jpa.repository.query.JpaQueryLookupStrategy$CreateIfNotFoundQueryLookupStrategy.resolveQuery(JpaQueryLookupStrategy.java:206) at org.springframework.data.jpa.repository.query.JpaQueryLookupStrategy$AbstractQueryLookupStrategy.resolveQuery(JpaQueryLookupStrategy.java:73) at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.<init>(RepositoryFactorySupport.java:408) at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:206) at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.initAndReturn(RepositoryFactoryBeanSupport.java:251) at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:237) at org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean.afterPropertiesSet(JpaRepositoryFactoryBean.java:92) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1625) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1562) ... 43 more 

I suppose that I incorrectly organize the layer for working with the database itself, but I do it on the basis of the example found on the Internet, so I cannot understand what my mistake is. Tell me please.

Here is my spring-config.xml:

  <!--@Transaction annotation support --> <tx:annotation-driven transaction-manager="transactionManager"/> <!--Обеспечивает работу с транзакциями в Spring --> <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="emf"/> </bean> <!-- EntityManagerFactory --> <bean id="emf" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="dataSource" ref="dataSource" /> <!--Поставщик данных - hibernate--> <property name="jpaVendorAdapter"> <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" /> </property> <!--поиск сущностей в этом пакете--> <property name="packagesToScan" value="ua.a.pavlenko"/> <!--детали конфигурации поставщика постоянства (hibernate) --> <property name="jpaProperties"> <props> <prop key="hibernate.dialect"> org.hibernate.dialect.MySQLDialect </prop> <prop key="hibernate.max_fetch_depth">3</prop> <prop key="hibernate.jdbc.fetch_size">50</prop> <prop key="hibernate.jdbc.batch_size">10</prop> <prop key="hibernate.show_sql">true</prop> </props> </property> </bean> <!-- Datasource. Источник данных - база MySQL --> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver" /> <property name="url" value="jdbc:mysql://localhost:3306/eshop" /> <property name="username" value="root" /> <property name="password" value="root" /> </bean> <!--<bean id="categoryService" class="ua.a.pavlenko.service.impl.CategoryServiceImpl"/>--> <!--<bean id="category" class="ua.a.pavlenko.entity.Category"/>--> <!--Activates various annotations to be detected in bean classes: Spring's @Required and @Autowired and so on--> <context:annotation-config/> <!-- Need for Repository abstraction --> <jpa:repositories base-package="ua.a.pavlenko.repository" entity-manager-factory-ref="emf" transaction-manager-ref="transactionManager"/> <!--Scanning components in base-package (look for annotations) --> <context:component-scan base-package="ua.a.pavlenko"/> 

 @Entity @Table public class UserOrder implements Serializable{ public static final long serialVersionUID = 1L; 
 
 @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private long userOrderId; @ManyToOne(optional = false, fetch = FetchType.LAZY) @JoinColumn(name = "userId") private User userId; @Temporal(TemporalType.TIMESTAMP) @Column private Calendar date; @OneToMany(mappedBy = "userOrderId") private List<OrderedItem> orderedItemList; //getters and setters 
}

 public interface UserOrderRepository extends CrudRepository{ List findByUser(User user); List findByDate(Calendar date); } 

 public interface UserOrderService { UserOrder findOne(long userOrderId); List findAll(); List findByUser(User user); List findByDate(Calendar date); void delete(long userOrderId); void deleteAll(); UserOrder addOrEditUserOrder(UserOrder userOrder); } 

 @Service("userOrderService") @Repository @Transactional public class UserOrderServiceImpl implements UserOrderService { 
 
 @Autowired(required = true) UserOrderRepository userOrderRepository; public UserOrder findOne(long userOrderId) { return userOrderRepository.findOne(userOrderId); } public List<UserOrder> findAll() { return (List<UserOrder>) userOrderRepository.findAll(); } public List<UserOrder> findByUser(User user) { return userOrderRepository.findByUser(user); } public List<UserOrder> findByDate(Calendar date) { return userOrderRepository.findByDate(date); } public void delete(long userOrderId) { userOrderRepository.delete(userOrderId); } public void deleteAll() { userOrderRepository.deleteAll(); } public UserOrder addOrEditUserOrder(UserOrder userOrder) { return userOrderRepository.save(userOrder); } 
}