"Service"bean 작성 중 오류가 발생했습니다.

서비스 bean 정의에 문제점이 있습니다. 나는 코드를 디버그하려고 시도했다. 그리고 sessionFactory는 항상 null이다. 아무도 나를 설명 할 수 있습니까, 실수는 어디 있습니까? 로그인 :"Service"bean 작성 중 오류가 발생했습니다.

Dec 12, 2014 5:36:10 PM org.springframework.context.support.ClassPathXmlApplicationContext prepareRefresh 
INFO: Refreshing org[email protected]62a83610: startup date [Fri Dec 12 17:36:10 FET 2014]; root of context hierarchy 
Dec 12, 2014 5:36:10 PM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions 
INFO: Loading XML bean definitions from class path resource [application-context.xml] 
Dec 12, 2014 5:36:10 PM org.springframework.beans.factory.support.DefaultListableBeanFactory registerBeanDefinition 
INFO: Overriding bean definition for bean 'dao': replacing [Generic bean: class [com.pancerz.server.dao.impl.DaoImpl]; scope=singleton; abstract=false; lazyInit=false; autowireMode=0; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=null; factoryMethodName=null; initMethodName=null; destroyMethodName=null; defined in file [/home/eugen/projects/pancerz/pancerz-server/server-admin/target/classes/com/pancerz/server/dao/impl/DaoImpl.class]] with [Generic bean: class [com.pancerz.server.dao.impl.DaoImpl]; scope=; abstract=false; lazyInit=false; autowireMode=0; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=null; factoryMethodName=null; initMethodName=null; destroyMethodName=null; defined in class path resource [application-context.xml]] 
Dec 12, 2014 5:36:10 PM org.springframework.beans.factory.support.DefaultListableBeanFactory registerBeanDefinition 
INFO: Overriding bean definition for bean 'userDao': replacing [Generic bean: class [com.pancerz.server.dao.impl.UserDaoImpl]; scope=singleton; abstract=false; lazyInit=false; autowireMode=0; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=null; factoryMethodName=null; initMethodName=null; destroyMethodName=null; defined in file [/home/eugen/projects/pancerz/pancerz-server/server-admin/target/classes/com/pancerz/server/dao/impl/UserDaoImpl.class]] with [Generic bean: class [com.pancerz.server.dao.impl.UserDaoImpl]; scope=; abstract=false; lazyInit=false; autowireMode=0; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=null; factoryMethodName=null; initMethodName=null; destroyMethodName=null; defined in class path resource [application-context.xml]] 
Dec 12, 2014 5:36:10 PM org.springframework.beans.factory.support.DefaultListableBeanFactory registerBeanDefinition 
INFO: Overriding bean definition for bean 'userService': replacing [Generic bean: class [com.pancerz.server.service.impl.UserServiceImpl]; scope=singleton; abstract=false; lazyInit=false; autowireMode=0; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=null; factoryMethodName=null; initMethodName=null; destroyMethodName=null; defined in file [/home/eugen/projects/pancerz/pancerz-server/server-admin/target/classes/com/pancerz/server/service/impl/UserServiceImpl.class]] with [Generic bean: class [com.pancerz.server.service.impl.UserServiceImpl]; scope=; abstract=false; lazyInit=false; autowireMode=0; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=null; factoryMethodName=null; initMethodName=null; destroyMethodName=null; defined in class path resource [application-context.xml]] 
Dec 12, 2014 5:40:55 PM org.springframework.beans.factory.config.PropertyPlaceholderConfigurer loadProperties 
INFO: Loading properties file from class path resource [jdbc.properties] 
Dec 12, 2014 5:41:14 PM org.springframework.beans.factory.support.DefaultListableBeanFactory preInstantiateSingletons 
INFO: Pre-instantiating singletons in org.s[email protected]64ad8f2b: defining beans [dao,userDao,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,userService,transactionManager,org.springframework.aop.config.internalAutoProxyCreator,org.springframework.transaction.annotation.AnnotationTransactionAttributeSource#0,org.springframework.transaction.interceptor.TransactionInterceptor#0,org.springframework.transaction.config.internalTransactionAdvisor,propertyConfigurer,dataSource,sessionFactory,org.springframework.context.annotation.ConfigurationClassPostProcessor.importAwareProcessor]; root of factory hierarchy 
Dec 12, 2014 5:42:07 PM org.springframework.jdbc.datasource.DriverManagerDataSource setDriverClassName 
INFO: Loaded JDBC driver: com.mysql.jdbc.jdbc2.optional.MysqlDataSource 
Dec 12, 2014 5:42:13 PM org.hibernate.annotations.common.Version <clinit> 
INFO: HCANN000001: Hibernate Commons Annotations {4.0.2.Final} 
Dec 12, 2014 5:42:13 PM org.hibernate.Version logVersion 
INFO: HHH000412: Hibernate Core {4.2.16.Final} 
Dec 12, 2014 5:42:13 PM org.hibernate.cfg.Environment <clinit> 
INFO: HHH000206: hibernate.properties not found 
Dec 12, 2014 5:42:13 PM org.hibernate.cfg.Environment buildBytecodeProvider 
INFO: HHH000021: Bytecode provider name : javassist 
Dec 12, 2014 5:42:19 PM org.hibernate.dialect.Dialect <init> 
INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect 
Dec 12, 2014 5:42:20 PM org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService 
INFO: HHH000399: Using default transaction strategy (direct JDBC transactions) 
Dec 12, 2014 5:42:20 PM org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init> 
INFO: HHH000397: Using ASTQueryTranslatorFactory 
Dec 12, 2014 5:53:56 PM org.springframework.beans.factory.support.DefaultListableBeanFactory destroySingletons 
INFO: Destroying singletons in org.s[email protected]64ad8f2b: defining beans [dao,userDao,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,userService,transactionManager,org.springframework.aop.config.internalAutoProxyCreator,org.springframework.transaction.annotation.AnnotationTransactionAttributeSource#0,org.springframework.transaction.interceptor.TransactionInterceptor#0,org.springframework.transaction.config.internalTransactionAdvisor,propertyConfigurer,dataSource,sessionFactory,org.springframework.context.annotation.ConfigurationClassPostProcessor.importAwareProcessor]; root of factory hierarchy 
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userService' defined in class path resource [application-context.xml]: Initialization of bean failed; nested exception is org.springframework.beans.ConversionNotSupportedException: Failed to convert property value of type 'com.sun.proxy.$Proxy11 implementing com.pancerz.server.dao.UserDao,com.pancerz.server.dao.Dao,org.springframework.aop.SpringProxy,org.springframework.aop.framework.Advised' to required type 'com.pancerz.server.dao.impl.UserDaoImpl' for property 'userDao'; nested exception is java.lang.IllegalStateException: Cannot convert value of type [com.sun.proxy.$Proxy11 implementing com.pancerz.server.dao.UserDao,com.pancerz.server.dao.Dao,org.springframework.aop.SpringProxy,org.springframework.aop.framework.Advised] to required type [com.pancerz.server.dao.impl.UserDaoImpl] for property 'userDao': no matching editors or conversion strategy found 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:529) 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458) 
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:296) 
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223) 
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:293) 
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) 
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:628) 
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932) 
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479) 
    at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139) 
    at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83) 
    at MainTest.main(MainTest.java:13) 
Caused by: org.springframework.beans.ConversionNotSupportedException: Failed to convert property value of type 'com.sun.proxy.$Proxy11 implementing com.pancerz.server.dao.UserDao,com.pancerz.server.dao.Dao,org.springframework.aop.SpringProxy,org.springframework.aop.framework.Advised' to required type 'com.pancerz.server.dao.impl.UserDaoImpl' for property 'userDao'; nested exception is java.lang.IllegalStateException: Cannot convert value of type [com.sun.proxy.$Proxy11 implementing com.pancerz.server.dao.UserDao,com.pancerz.server.dao.Dao,org.springframework.aop.SpringProxy,org.springframework.aop.framework.Advised] to required type [com.pancerz.server.dao.impl.UserDaoImpl] for property 'userDao': no matching editors or conversion strategy found 
    at org.springframework.beans.BeanWrapperImpl.convertIfNecessary(BeanWrapperImpl.java:463) 
    at org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:494) 
    at org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:488) 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.convertForProperty(AbstractAutowireCapableBeanFactory.java:1463) 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1422) 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1158) 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519) 
    ... 11 more 
Caused by: java.lang.IllegalStateException: Cannot convert value of type [com.sun.proxy.$Proxy11 implementing com.pancerz.server.dao.UserDao,com.pancerz.server.dao.Dao,org.springframework.aop.SpringProxy,org.springframework.aop.framework.Advised] to required type [com.pancerz.server.dao.impl.UserDaoImpl] for property 'userDao': no matching editors or conversion strategy found 
    at org.springframework.beans.TypeConverterDelegate.convertIfNecessary(TypeConverterDelegate.java:267) 
    at org.springframework.beans.BeanWrapperImpl.convertIfNecessary(BeanWrapperImpl.java:448) 
    ... 17 more

응용 프로그램의 context.xml

<?xml version="1.0" encoding="UTF-8"?> 
<beans xmlns="http://www.springframework.org/schema/beans" 
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx" 
     xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" 
     xsi:schemaLocation="http://www.springframework.org/schema/beans 
     http://www.springframework.org/schema/beans/spring-beans.xsd 
     http://www.springframework.org/schema/tx 
     http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> 

    <context:component-scan base-package="com.pancerz.server.dao" /> 
    <context:component-scan base-package="com.pancerz.server.service" /> 

    <bean id="transactionManager" 
      class="org.springframework.orm.hibernate4.HibernateTransactionManager"> 
     <property name="sessionFactory" ref="sessionFactory"/> 
    </bean> 

    <tx:annotation-driven transaction-manager="transactionManager"/> 

    <bean id="propertyConfigurer" 
      class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer" 
      p:location="jdbc.properties"/> 

    <bean id="dataSource" 
      class="org.springframework.jdbc.datasource.DriverManagerDataSource"> 
     <property name="driverClassName" 
        value="com.mysql.jdbc.jdbc2.optional.MysqlDataSource"/> 
     <property name="url" value="jdbc:mysql://localhost/server-admin_dev"/> 
     <property name="username" value="root"/> 
     <property name="password" value="password"/> 
    </bean> 

    <bean id="sessionFactory" 
      class="org.springframework.orm.hibernate4.LocalSessionFactoryBean"> 
     <property name="dataSource" ref="dataSource"/> 
     <property name="hibernateProperties"> 
      <props> 
       <prop key="hibernate.show_sql">true</prop> 
       <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop> 
       <prop key="hibernate.connection.charSet">UTF-8</prop> 
      </props> 
     </property> 
    </bean> 

    <bean id="dao" class="com.pancerz.server.dao.impl.DaoImpl"> 
     <property name="sessionFactory" ref="sessionFactory"/> 
    </bean> 

    <bean id="userDao" class="com.pancerz.server.dao.impl.UserDaoImpl" parent="dao"> 
     <property name="sessionFactory" ref="sessionFactory"/> 
    </bean> 

    <bean id="userService" class="com.pancerz.server.service.impl.UserServiceImpl"> 
     <property name="userDao" ref="userDao"/> 
    </bean> 

</beans>

Dao.java

public interface Dao<T, PK extends Serializable> { 
    public PK save(T newInstance); 

    public void update(T transientObject); 

    public List<T> findAll(); 

    public List<T> findByCriteria(Criterion... criterion); 

    public T findById(PK id); 

    public void delete(PK id); 

    public void delete(T persistentObject); 

}

DaoImpl.java

,815,832 10

UserDao.java

public interface UserDao extends Dao<User, Long> { 
    public User findByLogin(String login); 

    public User createUser(String login, String password, String email, String name, String surName, 
          Date birthDay, Date registrationDate, int role); 

}

UserDaoImpl.java

package com.pancerz.server.dao.impl; 

import com.pancerz.server.dao.UserDao; 
import com.pancerz.server.models.User; 
import org.hibernate.Criteria; 
import org.hibernate.criterion.Restrictions; 
import org.springframework.stereotype.Repository; 
import org.springframework.transaction.annotation.Transactional; 

import java.util.Date; 

/** 
* Date: 12/12/14 
*/ 
@Repository("userDao") 
public class UserDaoImpl extends DaoImpl<User, Long> implements UserDao { 

    public UserDaoImpl() { 
     super(User.class); 
    } 

    @Override 
    @Transactional 
    public User findByLogin(String login) { 
     Criteria criteria = getSession().createCriteria(User.class); 
     criteria.add(Restrictions.like("login", login)); 
     return (User) criteria.uniqueResult(); 
    } 

    @Override 
    public User createUser(String login, String password, String email, String name, String surName, 
          Date birthDay, Date registrationDate, int role) { 
     Criteria criteria = getSession().createCriteria(User.class); 
//  criteria.set 
     return (User) criteria.uniqueResult(); 
    } 
}

UserService.java

package com.pancerz.server.service; 

import com.pancerz.server.models.User; 

import java.util.List; 

/** 

* Date: 12/12/14 
*/ 
public interface UserService { 
    public User findByLogin(String login); 

    public List<User> getAllUsers(); 
}

사용자 ServiceImpl.java

@Service("userService") 
public class UserServiceImpl implements UserService { 

    private UserDaoImpl userDao; 

    public UserServiceImpl() { 
    } 

    @Override 
    @Transactional 
    public User findByLogin(String login) { 
     return userDao.findByLogin(login); 
    } 

    @Override 
    @Transactional 
    public List<User> getAllUsers() { 
     return userDao.findAll(); 
    } 

    @Autowired 
    public void setUserDao(UserDaoImpl userDao) { 
     this.userDao = userDao; 
    } 
}

출처

2014-12-12 evgeniy ivanov

당신은 UserServiceImpl 클래스에 UserDaoImpl를 사용하지만 스프링 프록시 UserDao 인터페이스를 구현하는이 클래스입니다.

UserDaoImpl 유형을 UserDao로 변경하고 설정자에서 변경하십시오. 작동해야합니다. "(애플리케이션 - 공용 클래스 MainTest { 공공 정적 무효 메인 (문자열 []에 args) { ApplicationContext의 컨텍스트 = 새로운 ClassPathXmlApplicationContext :

출처

2014-12-12 15:17:33 galovics

덕분에, 그것은 도움이,하지만 난 여전히 DB 에서 나는이 시도 결과를 얻을 수 없습니다 context.xml "); context.getBean ("userService"); UserDao userDao = (UserDao) context.getBean ("userDao"); 사용자 사용자 = userDao.findByLogin ("eugen"); 리스트 users = userDao.findAll(); 결과가 비어 있으며 왜 undestand 수 없습니다. –

또 다른 질문입니다. 이것을 수락하고 새로운 것을 시작하십시오. – galovics

"Service"bean 작성 중 오류가 발생했습니다.

답변

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