Printemps de démarrage Autocâblés pas de travail en classe de Configuration
J'ai un Ressort de Démarrage de l'application, qui utilise un serveur Redis pour la mise en cache. J'utilise Printemps RedisTemplate pour la connexion au serveur Redis. - Je configurer le Redis paramètres dans un @Confiuration
classe. Cependant, le redis url et le port sont stockés dans la bd, et de la DAO est contenu en tant que membre d'une autre classe (qui contient également d'autres charges de mondiale de l'information). Je suis en train de autowire la classe parente dans la Configuration de la classe, mais j'obtiens une erreur. C'est le code que j'ai:
@Configuration
public class MyConfiguration {
@Autowired
protected GlobalPropertiesLoader globalPropertiesLoader;
@Bean
JedisConnectionFactory jedisConnectionFactory() {
JedisConnectionFactory factory = new JedisConnectionFactory();
GlobalPropertiesDAO globalPropertiesDAO = globalPropertiesLoader.getGlobalProperties();
factory.setHostName(globalPropertiesDAO.getRedisUrl());
factory.setPort(globalPropertiesDAO.getRedisPort());
factory.setUsePool(true);
return factory;
}
@Bean
RedisTemplate< String, Object > redisTemplate() {
final RedisTemplate< String, Object > template = new RedisTemplate< String, Object >();
template.setConnectionFactory( jedisConnectionFactory() );
template.setKeySerializer( new StringRedisSerializer() );
template.setHashValueSerializer( new GenericToStringSerializer< Object >( Object.class ) );
template.setValueSerializer( new GenericToStringSerializer< Object >( Object.class ) );
return template;
}
}
GlobalPropertiesLoader est la classe qui contient la DAO (GlobalPropertiesDAO) comme un objet. Lorsque j'essaie d'exécuter mon application, j'obtiens l'erreur suivante:
Exception in thread "main"
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.mypkg.CommonsConfiguration': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected com.utils.GlobalPropertiesLoader com.mypkg.CommonsConfiguration.globalPropertiesLoader; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.utils.GlobalPropertiesLoader] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:334)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1202)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1127)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1051)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:949)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:533)
... 50 more
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected com.utils.GlobalPropertiesLoader com.mypkg.CommonsConfiguration.globalPropertiesLoader; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.utils.GlobalPropertiesLoader] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:561)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:331)
... 61 more
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.utils.GlobalPropertiesLoader] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:1308)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1054)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:949)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:533)
Quel est le problème ici? N'est-il pas possible de Autowire dans @Configuration
classe? Parce que je suis en mesure de autowire la même classe dans d'autres classes.
::::::::::::::::::::: MODIFIER ::::::::::::::::::::
J'ai essayé @Import
comme ci-dessous:
@Configuration
@Import({GlobalPropertiesLoader.class})
public class CommonsConfiguration {
@Autowired
GlobalPropertiesLoader globalPropertiesLoader;
....
}
Cependant, quand je fais cela, j'obtiens l'erreur suivante:
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.utils.GlobalPropertiesLoader': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: public com.persistence.repositories.GlobalPropertiesRepository com.utils.GlobalPropertiesLoader.globalPropertiesRepository; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.persistence.repositories.GlobalPropertiesRepository] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:334)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1202)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1127)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1051)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:949)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:533)
... 63 more
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: public com.persistence.repositories.GlobalPropertiesRepository com.utils.GlobalPropertiesLoader.globalPropertiesRepository; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.persistence.repositories.GlobalPropertiesRepository] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:561)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:331)
... 74 more
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.persistence.repositories.GlobalPropertiesRepository] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:1308)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1054)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:949)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:533)
C'est le GlobalPropertiesLoader classe:
@Component
@Scope("singleton")
public class GlobalPropertiesLoader {
@Autowired
public GlobalPropertiesRepository globalPropertiesRepository;
private GlobalPropertiesDAO globalProperties;
/*
* Load GlobalProperties once upon loading the context.
*/
@PostConstruct
public void init(){
globalProperties = globalPropertiesRepository.findOne(1L);
....
}
}
Et la GlobalPropertiesRepository java:
@Repository
public interface GlobalPropertiesRepository extends CrudRepository<GlobalPropertiesDAO, Long>{
}
Grâce.
JedisConnectionFactory jedisConnectionFactory(GlobalPropertiesLoader globalPropertiesLoader)
Si j'ajoute GlobalPropertiesLoader comme un paramètre, alors comment puis-je l'appeler à partir du redisTemplate() la méthode? J'ai besoin de passer un param. Alors comment / où puis-je instancier les param?
Quel est le contenu de GlobalPropertiesRepository ?
J'ai mis à jour ma question.
OriginalL'auteur drunkenfist | 2015-11-11
Vous devez vous connecter pour publier un commentaire.
@Import est d'ajouter une configuration de classe dans une autre classe de configuration.
http://docs.spring.io/spring-javaconfig/docs/1.0.0.M4/reference/html/ch04s03.html
@ComponentScan est pour le balayage des composants déclarés dans votre code, comme @Service, @Composant, @Référentiel, entre autres.
http://docs.spring.io/spring-javaconfig/docs/1.0.0.M4/reference/html/ch06s02.html
Je pense que vous devez ajouter dans votre classe de configuration de l' @ComponentScan afin de pouvoir scanner le paquet avec vos classes de composants.
OriginalL'auteur reos
@Configuration
s sont les classes, qui va essayer de lancer en premier. VotreGlobalPropertiesLoader
ne dispose pas d'une instance de celle-ci, lorsqueMyConfiguration
initiés. Essayez cette.@Import
, je reçois un nouveau message d'erreur. J'ai édité ma question.OriginalL'auteur Maleen Abewardana
L'une des raisons de cette erreur est que vous n'avez pas la mise en œuvre de cette classe. Créer une classe appelée CustomUserDetailsService la mise en œuvre de UserDetailsService et de les annoter avec @Composant.
Reportez-vous au printemps de la documentation pour plus d'. ou suivre la solution citée par @oor
OriginalL'auteur Dila Gurung