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沒有XML的Spring + Hibernate。錯誤：NoSuchBeanDefinitionException

2017-08-14 55 views
1

我正在學習Spring和Hibernate。我讀過幾篇文章，並試圖創建沒有XML的Spring和Hibernate應用程序。我不知道爲什麼，但它不工作，最終我得到錯誤消息：沒有XML的Spring + Hibernate。錯誤：NoSuchBeanDefinitionException

17:28:32.845 [main] DEBUG org.springframework.core.env.StandardEnvironment - Adding [systemProperties] PropertySource with lowest search precedence 
17:28:32.854 [main] DEBUG org.springframework.core.env.StandardEnvironment - Adding [systemEnvironment] PropertySource with lowest search precedence 
17:28:32.854 [main] DEBUG org.springframework.core.env.StandardEnvironment - Initialized StandardEnvironment with PropertySources [systemProperties,systemEnvironment] 
17:28:32.928 [main] DEBUG org.springframework.context.annotation.ClassPathBeanDefinitionScanner - JSR-250 'javax.annotation.ManagedBean' found and supported for component scanning 
17:28:32.931 [main] DEBUG org.springframework.context.annotation.ClassPathBeanDefinitionScanner - JSR-330 'javax.inject.Named' annotation found and supported for component scanning 
17:28:32.937 [main] DEBUG org.springframework.core.io.support.PathMatchingResourcePatternResolver - Resolved classpath location [com/boris/] to resources [] 
17:28:32.937 [main] DEBUG org.springframework.core.io.support.PathMatchingResourcePatternResolver - Resolved location pattern [classpath*:com/boris/**/*.class] to resources [] 
17:28:32.944 [main] INFO org.springframework.context.annotation.AnnotationConfigApplicationContext - Refreshing org.spring[email protected]7382f612: startup date [Mon Aug 14 17:28:32 EEST 2017]; root of context hierarchy 
17:28:32.946 [main] DEBUG org.springframework.context.annotation.AnnotationConfigApplicationContext - Bean factory for org.spring[email protected]7382f612: org.s[email protected]5702b3b1: defining beans [org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.annotation.internalCommonAnnotationProcessor,org.springframework.context.annotation.internalPersistenceAnnotationProcessor,org.springframework.context.event.internalEventListenerProcessor,org.springframework.context.event.internalEventListenerFactory]; root of factory hierarchy 
17:28:32.965 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' 
17:28:32.966 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating instance of bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' 
17:28:33.003 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Eagerly caching bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' to allow for resolving potential circular references 
17:28:33.009 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Finished creating instance of bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' 
17:28:33.065 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' 
17:28:33.065 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating instance of bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' 
17:28:33.067 [main] INFO org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor - JSR-330 'javax.inject.Inject' annotation found and supported for autowiring 
17:28:33.067 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Eagerly caching bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' to allow for resolving potential circular references 
17:28:33.067 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Finished creating instance of bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' 
17:28:33.068 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' 
17:28:33.074 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating instance of bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' 
17:28:33.091 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Eagerly caching bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' to allow for resolving potential circular references 
17:28:33.091 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Finished creating instance of bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' 
17:28:33.092 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalCommonAnnotationProcessor' 
17:28:33.092 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating instance of bean 'org.springframework.context.annotation.internalCommonAnnotationProcessor' 
17:28:33.109 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Eagerly caching bean 'org.springframework.context.annotation.internalCommonAnnotationProcessor' to allow for resolving potential circular references 
17:28:33.109 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Finished creating instance of bean 'org.springframework.context.annotation.internalCommonAnnotationProcessor' 
17:28:33.109 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalPersistenceAnnotationProcessor' 
    17:28:33.109 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating instance of bean 'org.springframework.context.annotation.internalPersistenceAnnotationProcessor' 
    17:28:33.111 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Eagerly caching bean 'org.springframework.context.annotation.internalPersistenceAnnotationProcessor' to allow for resolving potential circular references 
    17:28:33.111 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Finished creating instance of bean 'org.springframework.context.annotation.internalPersistenceAnnotationProcessor' 
    17:28:33.111 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.ConfigurationClassPostProcessor.importAwareProcessor' 
17:28:33.111 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating instance of bean 'org.springframework.context.annotation.ConfigurationClassPostProcessor.importAwareProcessor' 
17:28:33.112 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Eagerly caching bean 'org.springframework.context.annotation.ConfigurationClassPostProcessor.importAwareProcessor' to allow for resolving potential circular references 
17:28:33.112 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Finished creating instance of bean 'org.springframework.context.annotation.ConfigurationClassPostProcessor.importAwareProcessor' 
17:28:33.112 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.ConfigurationClassPostProcessor.enhancedConfigurationProcessor' 
17:28:33.112 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating instance of bean 'org.springframework.context.annotation.ConfigurationClassPostProcessor.enhancedConfigurationProcessor' 
    17:28:33.114 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Eagerly caching bean 'org.springframework.context.annotation.ConfigurationClassPostProcessor.enhancedConfigurationProcessor' to allow for resolving potential circular references 
17:28:33.114 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Finished creating instance of bean 'org.springframework.context.annotation.ConfigurationClassPostProcessor.enhancedConfigurationProcessor' 
17:28:33.119 [main] DEBUG org.springframework.context.annotation.AnnotationConfigApplicationContext - Unable to locate MessageSource with name 'messageSource': using default [[email protected]8f31] 
17:28:33.126 [main] DEBUG org.springframework.context.annotation.AnnotationConfigApplicationContext - Unable to locate ApplicationEventMulticaster with name 'applicationEventMulticaster': using default [org.[email protected]6b57696f] 
17:28:33.127 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Pre-instantiating singletons in org.s[email protected]5702b3b1: defining beans [org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.annotation.internalCommonAnnotationProcessor,org.springframework.context.annotation.internalPersistenceAnnotationProcessor,org.springframework.context.event.internalEventListenerProcessor,org.springframework.context.event.internalEventListenerFactory,org.springframework.context.annotation.ConfigurationClassPostProcessor.importAwareProcessor,org.springframework.context.annotation.ConfigurationClassPostProcessor.enhancedConfigurationProcessor]; root of factory hierarchy 
17:28:33.127 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' 
17:28:33.127 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' 
17:28:33.127 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' 
17:28:33.127 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.annotation.internalCommonAnnotationProcessor' 
    17:28:33.127 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.annotation.internalPersistenceAnnotationProcessor' 
    17:28:33.128 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerProcessor' 
    17:28:33.128 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating instance of bean 'org.springframework.context.event.internalEventListenerProcessor' 
    17:28:33.140 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Eagerly caching bean 'org.springframework.context.event.internalEventListenerProcessor' to allow for resolving potential circular references 
    17:28:33.187 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Finished creating instance of bean 'org.springframework.context.event.internalEventListenerProcessor' 
    17:28:33.187 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory' 
    17:28:33.187 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating instance of bean 'org.springframework.context.event.internalEventListenerFactory' 
    17:28:33.188 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Eagerly caching bean 'org.springframework.context.event.internalEventListenerFactory' to allow for resolving potential circular references 
    17:28:33.196 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Finished creating instance of bean 'org.springframework.context.event.internalEventListenerFactory' 
    17:28:33.196 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.annotation.ConfigurationClassPostProcessor.importAwareProcessor' 
    17:28:33.197 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.annotation.ConfigurationClassPostProcessor.enhancedConfigurationProcessor' 
    17:28:33.197 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory' 
    17:28:33.248 [main] DEBUG org.springframework.context.annotation.AnnotationConfigApplicationContext - Unable to locate LifecycleProcessor with name 'lifecycleProcessor': using default [[email protected]41e737] 
    17:28:33.249 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Returning cached instance of singleton bean 'lifecycleProcessor' 
    17:28:33.252 [main] DEBUG org.springframework.core.env.PropertySourcesPropertyResolver - Searching for key 'spring.liveBeansView.mbeanDomain' in [systemProperties] 
    17:28:33.252 [main] DEBUG org.springframework.core.env.PropertySourcesPropertyResolver - Searching for key 'spring.liveBeansView.mbeanDomain' in [systemEnvironment] 
    17:28:33.253 [main] DEBUG org.springframework.core.env.PropertySourcesPropertyResolver - Could not find key 'spring.liveBeansView.mbeanDomain' in any property source. Returning [null] 
Exception in thread "main" org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'employeeService' is defined 
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanDefinition(DefaultListableBeanFactory.java:698) 
at org.springframework.beans.factory.support.AbstractBeanFactory.getMergedLocalBeanDefinition(AbstractBeanFactory.java:1175) 
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:284) 
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) 
at  org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1060) 
at Test.main(Test.java:18) 
    org.spring[email protected]7382f612: startup date [Mon Aug 14 17:28:32 EEST 2017]; root of context hierarchy 

Process finished with exit code 1

我試圖找到我做錯了什麼。但不幸的是，我的代碼中找不到任何錯誤。你可以幫我嗎？ 下面是我的完整代碼。

的AppConfig

import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer; 
import org.springframework.context.annotation.Bean; 
import org.springframework.context.annotation.Configuration; 
import org.springframework.context.annotation.Import; 
import org.springframework.core.io.ClassPathResource; 


@Import({RepositoryConfig.class}) 
@Configuration 
public class AppConfig 
{ 
@Bean 
public PropertyPlaceholderConfigurer getPropertyPlaceholderConfigurer() 
{ 
    PropertyPlaceholderConfigurer ppc = new PropertyPlaceholderConfigurer(); 
    ppc.setLocation(new ClassPathResource("application.properties")); 
    ppc.setIgnoreUnresolvablePlaceholders(true); 
    return ppc; 
} 
}

Emloyee

import javax.persistence.*; 

@Entity 
@Table(name = "tasks_test.employee_example") 
public class Employee { 
@Id @GeneratedValue 
@Column(name = "id") 
private int id; 

@Column(name = "first_name") 
private String firstName; 

@Column(name = "last_name") 
private String lastName; 

@Column(name = "salary") 
private int salary; 

public Employee() {} 

public Employee(Integer id, String firstName, String lastName, int salary) 
{ 
    this.id = id; 
    this.firstName = firstName; 
    this.lastName = lastName; 
    this.salary = salary; 
} 


public int getId() { 
    return id; 
} 
public void setId(int id) { 
    this.id = id; 
} 
public String getFirstName() { 
    return firstName; 
} 
public void setFirstName(String first_name) { 
    this.firstName = first_name; 
} 
public String getLastName() { 
    return lastName; 
} 
public void setLastName(String last_name) { 
    this.lastName = last_name; 
} 
public int getSalary() { 
    return salary; 
} 
public void setSalary(int salary) { 
    this.salary = salary; 
} 

@Override 
public String toString() 
{ 
    return "User [firstName=" + firstName + ", lastName=" + lastName + ", id=" + id + ", salary=" + salary+ "]"; 
} 
}

EmployeeRepository

import java.util.List; 

import org.springframework.beans.factory.annotation.Autowired; 
import org.springframework.orm.hibernate4.HibernateTemplate; 
import org.springframework.stereotype.Repository; 
import org.springframework.transaction.annotation.Transactional; 


@Transactional 
@Repository 
public class EmployeeRepository 
{ 
@Autowired 
private HibernateTemplate hibernateTemplate; 

public List<Employee> getAllEmployees() 
{ 
    return this.hibernateTemplate.loadAll(Employee.class); 
} 

public Integer createEmployee(Employee employee) 
{ 
    Employee mergeEmployee = this.hibernateTemplate.merge(employee); 
    return mergeEmployee.getId(); 
} 
}

個的EmployeeService

import org.springframework.beans.factory.annotation.Autowired; 
import org.springframework.stereotype.Service; 

import java.util.List; 


@Service 
public class EmployeeService 
{ 
@Autowired 
private EmployeeRepository employeeRepository; 

public List<Employee> getAllEmployees() 
{ 
    return this.employeeRepository.getAllEmployees(); 
} 

public Integer createEmployee(Employee employee) 
{ 
    return this.employeeRepository.createEmployee(employee); 
} 
}

RepositoryConfig

import java.util.Properties; 

import javax.sql.DataSource; 

import org.hibernate.SessionFactory; 
import org.springframework.beans.factory.annotation.Autowired; 
import org.springframework.beans.factory.annotation.Value; 
import org.springframework.context.annotation.Bean; 
import org.springframework.context.annotation.Configuration; 
import org.springframework.jdbc.datasource.DriverManagerDataSource; 
import org.springframework.orm.hibernate4.HibernateTemplate; 
    import org.springframework.orm.hibernate4.HibernateTransactionManager; 
import org.springframework.orm.hibernate4.LocalSessionFactoryBean; 



    @Configuration 
public class RepositoryConfig 
{ 

@Value("${jdbc.driverClassName}")  private String driverClassName; 
@Value("${jdbc.url}")     private String url; 
@Value("${jdbc.username}")    private String username; 
@Value("${jdbc.password}")    private String password; 

@Value("${hibernate.dialect}")   private String hibernateDialect; 
@Value("${hibernate.show_sql}")  private String hibernateShowSql; 
@Value("${hibernate.hbm2ddl.auto}") private String hibernateHbm2ddlAuto; 

@Bean() 
public DataSource getDataSource() 
{ 
    DriverManagerDataSource ds = new DriverManagerDataSource(); 
    ds.setDriverClassName(driverClassName); 
    ds.setUrl(url); 
    ds.setUsername(username); 
    ds.setPassword(password); 
    return ds; 
} 

@Bean 
@Autowired 
public HibernateTransactionManager transactionManager(SessionFactory sessionFactory) 
{ 
    HibernateTransactionManager htm = new HibernateTransactionManager(); 
    htm.setSessionFactory(sessionFactory); 
    return htm; 
} 

@Bean 
@Autowired 
public HibernateTemplate getHibernateTemplate(SessionFactory sessionFactory) 
{ 
    HibernateTemplate hibernateTemplate = new  HibernateTemplate(sessionFactory); 
    return hibernateTemplate; 
} 

@Bean 
public LocalSessionFactoryBean getSessionFactory() 
{ 
    LocalSessionFactoryBean asfb = new LocalSessionFactoryBean(); 
    asfb.setDataSource(getDataSource()); 
    asfb.setHibernateProperties(getHibernateProperties()); 
    asfb.setPackagesToScan(new String[]{"com.boris"}); 
    return asfb; 
} 

@Bean 
public Properties getHibernateProperties() 
{ 
    Properties properties = new Properties(); 
    properties.put("hibernate.dialect", hibernateDialect); 
    properties.put("hibernate.show_sql", hibernateShowSql); 
    properties.put("hibernate.hbm2ddl.auto", hibernateHbm2ddlAuto); 
    return properties; 
} 

}

測試

import java.util.List; 
import org.springframework.context.annotation.AnnotationConfigApplicationContext; 
import org.springframework.context.annotation.ComponentScan; 


@ComponentScan("com.boris") 
public class Test 
{ 
public static void main(String[] args) 
{ 
    AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(); 
    ctx.scan("com.boris"); 
    ctx.refresh(); 

    System.out.println(ctx); 
    EmployeeService employeeService = ctx.getBean("employeeService",EmployeeService.class); 



    Employee employee1 = new Employee(null, "Bob", "Marley", 16000); 
    Employee employee2 = new Employee(null, "Donald", "Trump", 12000); 
    Employee employee3 = new Employee(null, "Olga","Lifshitz", 8000); 
    Employee employee4 = new Employee(null, "Massimo", "Dutti", 7000); 
    int id1 = employeeService.createEmployee(employee1); 
    System.out.println("New Employee created with ID="+id1); 
    int id2 = employeeService.createEmployee(employee2); 
    System.out.println("New Employee created with ID="+id2); 
    int id3 = employeeService.createEmployee(employee3); 
    System.out.println("New Employee created with ID="+id3); 
    int id4 = employeeService.createEmployee(employee4); 
    System.out.println("New Employee created with ID="+id4); 
    List<Employee> everybody = employeeService.getAllEmployees(); 
    for (Employee e : everybody) 
    { 
     System.out.println(e); 
    } 
} 

}

application.properties

jdbc.driverClassName=org.hsqldb.jdbcDriver 
    jdbc.url=jdbc:mysql://localhost:3306/tasks_test 
jdbc.username=user 
jdbc.password=pass 


hibernate.dialect=org.hibernate.dialect.HSQLDialect 
hibernate.show_sql=true 
hibernate.hbm2ddl.auto=update 
hibernate.generate_statistics=true

來源

2017-08-14 Boris

+0

你能分享你的項目結構嗎？ –

+0

這些課程包含哪些包？ –

+0

@RossiRobinson所有的類都在同一個文件夾中，以簡化它。 – Boris

回答

1

你可以嘗試在測試類初始化的EmployeeService像

@Autowired EmployeeService employeeService

。

來源

2017-08-14 15:17:24 user3173847

+1

這是一個評論，而不是一個答案。直到您有足夠的[聲譽]（https://stackoverflow.com/help/whats-reputation）徵求意見，請閱讀[我如何寫出一個好的答案？]（https://stackoverflow.com/help/how-to -回答）。 –

+0

不幸的是，我再次得到同樣的錯誤。 – Boris

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