Не управляемый тип: объект класса. & Данные весны

Я работаю с spring data, я создаю конфигурационный класс с @Bean, @Entity и Main.java но при запуске проекта я получаю исключение:

Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'todoRepository': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not an managed type: class entity.Todo

Мой Main.java

public class Main { @Autowired private static TodoRepository todoRepository; public static void main(String[] args) { Todo todo = new Todo(); todo.setId(1l); todo.setTitle("title"); System.out.println(todoRepository); //null todoRepository.save(todo); //Exception in thread "main" java.lang.NullPointerException } }

PersistenceContext.java

@Configuration @EnableJpaRepositories(basePackages = {"repository"}, entityManagerFactoryRef = "entityManagerFactory", transactionManagerRef = "transactionManager") @EnableTransactionManagement @PropertySource("classpath:app.properties") public class PersistenceContext { public PersistenceContext() { } /** * The method that configures the datasource bean * */ @Resource private Environment env; @Bean(destroyMethod = "close") DataSource dataSource() { HikariConfig dataSourceConfig = new HikariConfig(); dataSourceConfig.setJdbcUrl(env.getRequiredProperty("db.url")); dataSourceConfig.setDriverClassName(env.getRequiredProperty("db.driver")); dataSourceConfig.setUsername(env.getRequiredProperty("db.username")); dataSourceConfig.setPassword(env.getRequiredProperty("db.password")); return new HikariDataSource(dataSourceConfig); } /** * The method that configures the entity manager factory * */ @Bean LocalContainerEntityManagerFactoryBean entityManagerFactory(DataSource dataSource, Environment env) { LocalContainerEntityManagerFactoryBean entityManagerFactoryBean = new LocalContainerEntityManagerFactoryBean(); entityManagerFactoryBean.setDataSource(dataSource); entityManagerFactoryBean.setJpaVendorAdapter(new HibernateJpaVendorAdapter()); entityManagerFactoryBean.setPackagesToScan("net.petrikainulainen.springdata.jpa.todo"); Properties jpaProperties = new Properties(); jpaProperties.put("hibernate.dialect", env.getRequiredProperty("hibernate.dialect")); jpaProperties.put("hibernate.hbm2ddl.auto", env.getRequiredProperty("hibernate.hbm2ddl.auto")); jpaProperties.put("hibernate.show_sql", env.getRequiredProperty("hibernate.show_sql")); jpaProperties.put("hibernate.format_sql", env.getRequiredProperty("hibernate.format_sql")); entityManagerFactoryBean.setJpaProperties(jpaProperties); return entityManagerFactoryBean; } /** * The method that configures the transaction manager * */ @Bean JpaTransactionManager transactionManager(EntityManagerFactory entityManagerFactory) { JpaTransactionManager transactionManager = new JpaTransactionManager(); transactionManager.setEntityManagerFactory(entityManagerFactory); return transactionManager; } }

Todo.java

@Entity @Table(name = "todos") public class Todo { @Id @GeneratedValue(strategy = GenerationType.AUTO) private Long id; @Column(name = "title", nullable = false, length = 100) private String title; public Todo() { } //getter setter tostring }

Все stacktrace:

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: Defaulting to no-operation (NOP) logger implementation SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details. сен 02, 2015 2:54:49 PM org.hibernate.jpa.internal.util.LogHelper logPersistenceUnitInformation INFO: HHH000204: Processing PersistenceUnitInfo [ name: default ...] sep 02, 2015 2:54:49 PM org.hibernate.Version logVersion INFO: HHH000412: Hibernate Core {5.0.0.Final} sep 02, 2015 2:54:49 PM org.hibernate.cfg.Environment <clinit> INFO: HHH000206: hibernate.properties not found sep 02, 2015 2:54:49 PM org.hibernate.cfg.Environment buildBytecodeProvider INFO: HHH000021: Bytecode provider name : javassist sep 02, 2015 2:54:49 PM org.hibernate.annotations.common.reflection.java.JavaReflectionManager <clinit> INFO: HCANN000001: Hibernate Commons Annotations {5.0.0.Final} sep 02, 2015 2:54:49 PM org.hibernate.dialect.Dialect <init> INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect sep 02, 2015 2:54:50 PM org.hibernate.tool.hbm2ddl.SchemaExport execute INFO: HHH000227: Running hbm2ddl schema export sep 02, 2015 2:54:50 PM org.hibernate.tool.hbm2ddl.SchemaExport execute INFO: HHH000230: Schema export complete Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'todoRepository': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not an managed type: class entity.Todo at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1554) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:229) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:687) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:762) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482) at org.springframework.context.annotation.AnnotationConfigApplicationContext.<init>(AnnotationConfigApplicationContext.java:84) at Main.main(Main.java:21) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140) Caused by: java.lang.IllegalArgumentException: Not an managed type: class entity.Todo at org.hibernate.jpa.internal.metamodel.MetamodelImpl.managedType(MetamodelImpl.java:210) at org.springframework.data.jpa.repository.support.JpaMetamodelEntityInformation.<init>(JpaMetamodelEntityInformation.java:68) at org.springframework.data.jpa.repository.support.JpaEntityInformationSupport.getEntityInformation(JpaEntityInformationSupport.java:67) at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getEntityInformation(JpaRepositoryFactory.java:146) at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:90) at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:70) at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:171) at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.initAndReturn(RepositoryFactoryBeanSupport.java:239) at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:225) at org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean.afterPropertiesSet(JpaRepositoryFactoryBean.java:92) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1613) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1550) ... 16 more Process finished with exit code 1

Ответы

Ответ 1

Ваше имя класса Todo, как показано сообщением об ошибке, является entity.Todo. Так что это в entity пакета.

Но ваш менеджер-менеджер объектов настроен таким образом:

entityManagerFactoryBean.setPackagesToScan("net.petrikainulainen.springdata.jpa.todo");

Таким образом, пакет вашего entity не сканируется, и объект Todo таким образом, не известен JPA.

Ответ 2

Для загрузки Spring вы должны определить свойства entitymanager.packagesToScan в application.properties, как показано ниже;

entitymanager.packagesToScan = com.app.domain

Ответ 3

При работе с hibernate всегда проверяйте проверку пакетов в repositories и entityManagerFactory вместе с <context:component-scan base-package="com.company"/>

<jpa:repositories base-package="com.company" />
<bean class="org.apache.commons.dbcp.BasicDataSource"
    destroy-method="close" id="mysql_dataSource">
    <property name="driverClassName" value="${database.driverClassName}" />
    <property name="url" value="${database.url}" />
    <property name="username" value="${database.username}" />
    <property name="password" value="${database.password}" />
    <property name="testOnBorrow" value="${database.connectionPool.testOnBorrow}" />
    <property name="testOnReturn" value="${database.connectionPool.testOnReturn}" />
    <property name="testWhileIdle" value="${database.connectionPool.testWhileIdle}" />
    <property name="timeBetweenEvictionRunsMillis" value="${database.connectionPool.timeBetweenEvictionRunsMillis}" />
    <property name="numTestsPerEvictionRun" value="${database.connectionPool.numTestsPerEvictionRun}" />
    <property name="minEvictableIdleTimeMillis" value="${database.connectionPool.minEvictableIdleTimeMillis}" />
    <property name="maxWait" value="${database.connectionPool.maxWait}"/>
    <property name="maxActive" value="${database.connectionPool.maxActive}"/>
    <property name="maxIdle" value="${database.connectionPool.maxIdle}"/>
    <property name="minIdle" value="${database.connectionPool.minIdle}"/>
    <property name="initialSize" value="${database.connectionPool.initialSize}"/>
    <property name="validationQuery" value="${database.connectionPool.validationQuery}" />
</bean>

<bean class="org.springframework.orm.jpa.JpaTransactionManager"
    id="transactionManager">
    <property name="entityManagerFactory" ref="entityManagerFactory" />
</bean>

<bean
    class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"
    id="entityManagerFactory">
    <property name="persistenceUnitName" value="persistenceUnit" />
    <property name="packagesToScan">
        <list>
            <value>com.company</value>
        </list>
    </property>
    <property name="dataSource" ref="mysql_dataSource" />
    <property name="jpaVendorAdapter">
        <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" />
    </property>
    <property name="jpaProperties">
        <props>
            <prop key="hibernate.archive.autodetection">class,hbm</prop>
            <prop key="hibernate.hbm2ddl.auto">none</prop>
            <prop key="hibernate.show_sql">true</prop>
            <prop key="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</prop>
            <prop key="hibernate.ejb.naming_strategy">org.hibernate.cfg.DefaultNamingStrategy</prop>
            <prop key="hibernate.connection.charSet">UTF-8</prop>
        </props>
    </property>
</bean>

Ответ 4

Если вы используете eclipse IDE, кликните на конфигурацию запуска и убедитесь, что установлен флажок Resolve Workspace artifact. Это работает для меня, введите описание изображения здесь