【发布时间】:2016-04-29 14:38:48
【问题描述】:
我无法通过其他类似帖子解决我的问题。我正在尝试将 Hibernate 与 Spring Boot 一起使用。具有这种配置的其他项目运行良好。这个没有。也许你们中的一个人知道如何解决这个问题。
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [org.hibernate.SessionFactory] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Qualifier(value=sessionFactory)}
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:478)
at java.lang.Thread.run(Thread.java:722) Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'priceDaoHibernateImpl' defined in file [D:\Sonstiges\Entwicklung\Projekte\gatrinWS\target\classes\de\xxx\gatrinws\persistence\PriceDaoHibernateImpl.class]: Unsatisfied dependency expressed through constructor argument with index 0 of type [org.hibernate.SessionFactory]: No qualifying bean of type [org.hibernate.SessionFactory] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Qualifier(value=sessionFactory)}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [org.hibernate.SessionFactory] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Qualifier(value=sessionFactory)}
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:749)
at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:185)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1143)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1046)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:766)
at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:361)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1191)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1180)
at de.xxx.gatrinws.Application.main(Application.java:10)
... 6 more Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [org.hibernate.SessionFactory] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Qualifier(value=sessionFactory)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:1373)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1119)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1014)
at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:813)
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:741)
... 25 more
这是我的配置
<context:component-scan base-package="de.xxx.gatrinws"/>
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:global.properties</value>
</list>
</property>
<property name="ignoreUnresolvablePlaceholders" value="true"/>
<property name="ignoreResourceNotFound" value="true"/>
<property name="placeholderPrefix" value="${"/>
</bean>
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
<property name="driverClass" value="${jdbc.driverClassName}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
<property name="acquireIncrement" value="${c3p0.acquireIncrement}"/>
<property name="minPoolSize" value="${c3p0.minPoolSize}"/>
<property name="maxPoolSize" value="${c3p0.maxPoolSize}"/>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource">
<ref local="dataSource"/>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
<prop key="hibernate.hbm2ddl.auto">validate</prop>
<prop key="hibernate.cache.use_second_level_cache">true</prop>
<prop key="hibernate.cache.use_first_level_cache">true</prop>
<prop key="maxwait">10000</prop>
<prop key="maxidle">25</prop>
<prop key="minidle">5</prop>
</props>
</property>
<property name="packagesToScan">
<array>
<value>de.xxx.gatrinws</value>
</array>
</property>
</bean>
<bean id="txManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<tx:annotation-driven transaction-manager="txManager"/>
这是我的 Dao,其中 sessionFactory 的自动装配似乎不起作用: (类文件位于:de.xxx.gatrinws.service 所以组件扫描应该可以工作,不是吗?)
@Repository
@Transactional
public class PriceDaoHibernateImpl implements PriceDao {
private final SessionFactory sessionFactory;
@Autowired
public PriceDaoHibernateImpl(@Qualifier(value = "sessionFactory") SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
@Override
public Product findProduct(String ean) {
return null; // to be added
}
}
有谁知道如何解决这个问题?服务自动装配就像一个魅力。 sessionFactory 配置似乎有任何问题。但是:这就是我在其他项目中的工作方式。
提前致谢!
(如果您想知道:我修改了包的基本名称)
编辑:
“似乎” applicationContext.xml (Spring Config) 在运行时被复制到 /target/ 并且某些属性无法解析。我是否需要在可以正确解析属性的任何地方添加目标文件夹? see screenshot here
无复制配置可以毫无问题地解决所有属性。
【问题讨论】:
-
你在声明SessionFactory的时候试过@Autowired吗?
-
是的。已经试过了。没有区别。
-
您可以尝试将 applicationContext.xml 放在 src/main/webapp/WEB-INF 中吗?那应该是它的默认位置
-
Spring Boot 为休眠提供了自动配置。你有什么令人信服的理由不使用它吗?使用这些自动配置,您将完全不需要该 xml 配置。
-
发布有关您的应用程序的更多详细信息,尤其是
Application类。您是否尝试在Application类上使用@ImportResource("classpath:applicationContext.xml")导入 xml 配置?
标签: java spring hibernate dao autowired