Spring BeanCreationException：通過工廠方法實例化Bean失敗嵌套異常

Question

我開始使用Spring，並試圖使用Security，Hibernate和Thymleaf構建應用程序。

我有這個錯誤，困住了我好幾天。

下面是日誌：

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userController': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: public com.nickeed.ServiceInterface.UserServiceInterface com.nickeed.controller.UserController.UserServiceInterface; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userServiceImpl': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected com.nickeed.repository.UserRepository com.nickeed.ServiceImpl.UserServiceImpl.userRepository; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userRepository': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not an managed type: class com.nickeed.model.User 
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:334) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839) ~[spring-context-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538) ~[spring-context-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118) ~[spring-boot-1.3.3.RELEASE.jar:1.3.3.RELEASE] 
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:766) [spring-boot-1.3.3.RELEASE.jar:1.3.3.RELEASE] 
    at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:361) [spring-boot-1.3.3.RELEASE.jar:1.3.3.RELEASE] 
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) [spring-boot-1.3.3.RELEASE.jar:1.3.3.RELEASE] 
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1191) [spring-boot-1.3.3.RELEASE.jar:1.3.3.RELEASE] 
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1180) [spring-boot-1.3.3.RELEASE.jar:1.3.3.RELEASE] 
    at com.nickeed.NickeedApplication.main(NickeedApplication.java:17) [classes/:na] 
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: public com.nickeed.ServiceInterface.UserServiceInterface com.nickeed.controller.UserController.UserServiceInterface; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userServiceImpl': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected com.nickeed.repository.UserRepository com.nickeed.ServiceImpl.UserServiceImpl.userRepository; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userRepository': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not an managed type: class com.nickeed.model.User 
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:573) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:331) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    ... 17 common frames omitted 
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userServiceImpl': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected com.nickeed.repository.UserRepository com.nickeed.ServiceImpl.UserServiceImpl.userRepository; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userRepository': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not an managed type: class com.nickeed.model.User 
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:334) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1192) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1116) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1014) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:545) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    ... 19 common frames omitted 
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected com.nickeed.repository.UserRepository com.nickeed.ServiceImpl.UserServiceImpl.userRepository; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userRepository': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not an managed type: class com.nickeed.model.User 
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:573) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:331) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    ... 30 common frames omitted 
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userRepository': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not an managed type: class com.nickeed.model.User 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1578) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1192) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1116) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1014) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:545) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    ... 32 common frames omitted 
Caused by: java.lang.IllegalArgumentException: Not an managed type: class com.nickeed.model.User 
    at org.hibernate.jpa.internal.metamodel.MetamodelImpl.managedType(MetamodelImpl.java:219) ~[hibernate-entitymanager-4.3.11.Final.jar:4.3.11.Final] 
    at org.springframework.data.jpa.repository.support.JpaMetamodelEntityInformation.<init>(JpaMetamodelEntityInformation.java:68) ~[spring-data-jpa-1.9.4.RELEASE.jar:na] 
    at org.springframework.data.jpa.repository.support.JpaEntityInformationSupport.getEntityInformation(JpaEntityInformationSupport.java:67) ~[spring-data-jpa-1.9.4.RELEASE.jar:na] 
    at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getEntityInformation(JpaRepositoryFactory.java:152) ~[spring-data-jpa-1.9.4.RELEASE.jar:na] 
    at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:99) ~[spring-data-jpa-1.9.4.RELEASE.jar:na] 
    at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:81) ~[spring-data-jpa-1.9.4.RELEASE.jar:na] 
    at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:185) ~[spring-data-commons-1.11.4.RELEASE.jar:na] 
    at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.initAndReturn(RepositoryFactoryBeanSupport.java:251) ~[spring-data-commons-1.11.4.RELEASE.jar:na] 
    at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:237) ~[spring-data-commons-1.11.4.RELEASE.jar:na] 
    at org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean.afterPropertiesSet(JpaRepositoryFactoryBean.java:92) ~[spring-data-jpa-1.9.4.RELEASE.jar:na] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1637) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1574) ~[spring-beans-4.2.5.RELEASE.jar:4.2.5.RELEASE] 
    ... 42 common frames omitted 

---

Application.java

@SpringBootApplication 
@EnableWebMvc 
public class NickeedApplication { 

    @Autowired 
    UserServiceInterface userServiceInterface; 

    public static void main(String[] args) { 
     SpringApplication.run(NickeedApplication.class, args); 
    } 
} 

---

WebSecurityConfig.java

@Configuration 
@EnableWebSecurity 
public class WebSecurityConfig extends WebSecurityConfigurerAdapter { 


    @Override 
    protected void configure(HttpSecurity http) throws Exception { 


     String[] pagesFree = {"/", "/home", "/template","/layout"}; 

     http 
      .authorizeRequests() 
       .antMatchers(pagesFree).permitAll() 
       .anyRequest().authenticated() 
       .and() 
      .formLogin() 
       .loginPage("/login") 
       .permitAll() 
       .and() 
      .logout() 
       .permitAll(); 
    } 


    @Autowired 
    public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception { 
     auth.inMemoryAuthentication() 
       .withUser("u").password("u").roles("USER"); 
    } 
} 

---

我UserController的

@Controller 
@ComponentScan 
public class UserController { 

    @Autowired 
    public UserServiceInterface UserServiceInterface; 


    @RequestMapping(value = {"/users"}, method = RequestMethod.GET) 
    public String savePage(Model model) { 
     model.addAttribute("User", new User()); 
     model.addAttribute("allUsers", UserServiceInterface.getAllUsers()); 
     return "index"; 
    } 

---

Spring.properties：

<pre> 

# Database 
db.driver: com.mysql.jdbc.Driver 
db.url: jdbc:mysql://localhost:3306/nickeed 
db.username: root 
db.password: root 

# Hibernate 
hibernate.dialect: org.hibernate.dialect.MySQL5Dialect 
hibernate.show_sql: true 
hibernate.hbm2ddl.auto: update 
entitymanager.packagesToScan: nickeed 

# ThymeLeaf 
spring.thymeleaf.cache: false 
spring.thymeleaf.mode=LEGACYHTML5 
</pre> 

Databaseconfig.java

 

    @Configuration 
    @EnableTransactionManagement 
    public class DatabaseConfig { 

     // ------------------------ 
     // PUBLIC METHODS 
     // ------------------------ 

     /** 
     * DataSource definition for database connection. Settings are read from 
     * the application.properties file (using the env object). 
     */ 
     @Bean 
     public DataSource dataSource() { 
     DriverManagerDataSource dataSource = new DriverManagerDataSource(); 
     dataSource.setDriverClassName(env.getProperty("db.driver")); 
     dataSource.setUrl(env.getProperty("db.url")); 
     dataSource.setUsername(env.getProperty("db.username")); 
     dataSource.setPassword(env.getProperty("db.password")); 
     return dataSource; 
     } 

     /** 
     * Declare the JPA entity manager factory. 
     */ 
     @Bean 
     public LocalContainerEntityManagerFactoryBean entityManagerFactory() { 
     LocalContainerEntityManagerFactoryBean entityManagerFactory = 
      new LocalContainerEntityManagerFactoryBean(); 

     entityManagerFactory.setDataSource(dataSource); 

     // Classpath scanning of @Component, @Service, etc annotated class 
     entityManagerFactory.setPackagesToScan(
      env.getProperty("entitymanager.packagesToScan")); 

     // Vendor adapter 
     HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter(); 
     entityManagerFactory.setJpaVendorAdapter(vendorAdapter); 

     // Hibernate properties 
     Properties additionalProperties = new Properties(); 
     additionalProperties.put(
      "hibernate.dialect", 
      env.getProperty("hibernate.dialect")); 
     additionalProperties.put(
      "hibernate.show_sql", 
      env.getProperty("hibernate.show_sql")); 
     additionalProperties.put(
      "hibernate.hbm2ddl.auto", 
      env.getProperty("hibernate.hbm2ddl.auto")); 
     entityManagerFactory.setJpaProperties(additionalProperties); 

     return entityManagerFactory; 
     } 

     /** 
     * Declare the transaction manager. 
     */ 
     @Bean 
     public JpaTransactionManager transactionManager() { 
     JpaTransactionManager transactionManager = 
      new JpaTransactionManager(); 
     transactionManager.setEntityManagerFactory(
      entityManagerFactory.getObject()); 
     return transactionManager; 
     } 

     /** 
     * PersistenceExceptionTranslationPostProcessor is a bean post processor 
     * which adds an advisor to any bean annotated with Repository so that any 
     * platform-specific exceptions are caught and then rethrown as one 
     * Spring's unchecked data access exceptions (i.e. a subclass of 
     * DataAccessException). 
     */ 
     @Bean 
     public PersistenceExceptionTranslationPostProcessor exceptionTranslation() { 
     return new PersistenceExceptionTranslationPostProcessor(); 
     } 


     // ------------------------ 
     // PRIVATE FIELDS 
     // ------------------------ 

     @Autowired 
     private Environment env; 

     @Autowired 
     private DataSource dataSource; 

     @Autowired 
     private LocalContainerEntityManagerFactoryBean entityManagerFactory; 



    } 

而且MvcConfig：

 

@Configuration 
public class MvcConfig extends WebMvcConfigurerAdapter { 

    @Override 
    public void addViewControllers(ViewControllerRegistry registry) { 
     registry.addViewController("/home").setViewName("home"); 
     registry.addViewController("/template").setViewName("template"); 
     registry.addViewController("/layout").setViewName("layout"); 
     registry.addViewController("/").setViewName("home"); 
     registry.addViewController("/hello").setViewName("hello"); 
     registry.addViewController("/login").setViewName("login"); 

    } 

} 

這裏是我的項目結構： enter image description here

如果你需要的任何信息不要猶豫:)

Answer 1

請確保您有正確的包在你的實體管理器進行掃描。

entityManagerFactory.setPackagesToScan（env.getProperty（「entitymanager.packagesToScan」））;你確定這裏設置了正確的路徑嗎？不知道什麼實體管理器是，你是否設置掃描路徑