org.springframework.beans.factory.BeanCurrentlyInCreationException：创建名为“sessionFactory”的bean时出错

Posted 2023-02-26

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【中文标题】org.springframework.beans.factory.BeanCurrentlyInCreationException：创建名为“sessionFactory”的bean时出错【英文标题】：org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'sessionFactory' 【发布时间】：2010-12-07 00:32:30 【问题描述】：

我正在使用 spring 和 hibernate 来配置 mysql db。

我的 we.xml 文件有以下代码：

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>WEB-INF/classes/applicationcontext.xml</param-value>
    </context-param>
    <session-config>
        <session-timeout>
            30
        </session-timeout>
    </session-config>
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
</web-app>

我的 applicationcontext.xml 文件有以下导入：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
"http://www.springframework.org/dtd/spring-beans.dtd">
<beans default-autowire="autodetect">
  <import resource="spring-config/spring-common-applicationContext.xml"/>
  <import resource="spring-config/spring-db-applicationContext.xml"/>
  <import resource="spring-config/spring-dao-applicationContext.xml"/>
  <import resource="spring-config/spring-processor-applicationContext.xml"/>
  <import resource="spring-config/spring-security-processor-applicationContext.xml"/>
  <import resource="spring-config/spring-service-applicationContext.xml"/>
  <import resource="spring-config/spring-security-service-applicationContext.xml"/>
</beans>

我的 spring-db-applicationContext.xml 有以下代码：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
"http://www.springframework.org/dtd/spring-beans.dtd">
<beans default-autowire="autodetect">

<!-- Hibernate session factory -->
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <constructor-arg index="0">
            <value>$driverClassName</value>
        </constructor-arg>
        <constructor-arg index="1">
            <value>$url</value>
        </constructor-arg>
        <constructor-arg index="2">
            <value>$username</value>
        </constructor-arg>
        <constructor-arg index="3">
            <value>$password</value>
        </constructor-arg>

    </bean>

    <bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
        <property name="sessionFactory">
            <ref bean="sessionFactory"/>
        </property>
    </bean>

    <bean id="sessionFactory"  class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
        <property name="dataSource">
            <ref bean="dataSource"/>
        </property>
        <property name="configLocation">
            <value>WEB-INF/classes/hibernate.cfg.xml</value>
        </property>
        <property  name="configurationClass">
            <value>org.hibernate.cfg.AnnotationConfiguration</value>
        </property>

        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">$dialect</prop>
                <prop key="hibernate.show_sql">true</prop>
                <!--<prop key="hibernate.hbm2ddl.auto">create</prop>-->
            </props>
        </property>
    </bean>

    <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
        <property name="sessionFactory">
            <ref bean="sessionFactory"/>
        </property>
    </bean>

    <bean id="transactionInterceptor" class="org.springframework.transaction.interceptor.TransactionInterceptor">
        <property name="transactionManager" ref="transactionManager"/>
        <property name="transactionAttributeSource">
            <value> com.sufalam.mailserver.business.service.IUserProcessor.*=PROPAGATION_REQUIRED,-java.lang.Exception
            </value>
        </property>
    </bean>
 </beans>

我已经包含了适当的库。现在在运行项目时，我收到以下错误：

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'sessionFactory' defined in URL [jndi:/localhost/MailServerV2/WEB-INF/classes/spring-config/spring-db-applicationContext.xml]: Unsatisfied dependency expressed through bean property 'eventListeners': : Error creating bean with name 'transactionManager' defined in URL [jndi:/localhost/MailServerV2/WEB-INF/classes/spring-config/spring-db-applicationContext.xml]: Cannot resolve reference to bean 'sessionFactory' while setting bean property 'sessionFactory'; nested exception is org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'sessionFactory': FactoryBean which is currently in creation returned null from getObject; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'transactionManager' defined in URL [jndi:/localhost/MailServerV2/WEB-INF/classes/spring-config/spring-db-applicationContext.xml]: Cannot resolve reference to bean 'sessionFactory' while setting bean property 'sessionFactory'; nested exception is org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'sessionFactory': FactoryBean which is currently in creation returned null from getObject
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1141)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1034)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:511)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:450)
        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:289)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:286)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:188)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:526)
        at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:730)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:387)
        at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:270)
        at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197)
        at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3934)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4429)
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
        at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:630)
        at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:556)
        at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:491)
        at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206)
        at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314)
        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
        at org.apache.catalina.core.StandardService.start(StandardService.java:516)
        at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:583)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'transactionManager' defined in URL [jndi:/localhost/MailServerV2/WEB-INF/classes/spring-config/spring-db-applicationContext.xml]: Cannot resolve reference to bean 'sessionFactory' while setting bean property 'sessionFactory'; nested exception is org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'sessionFactory': FactoryBean which is currently in creation returned null from getObject
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:328)
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:106)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1299)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1061)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:511)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:450)
        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:289)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:286)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:188)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:807)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:735)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:666)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1126)
        ... 37 more
Caused by: org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'sessionFactory': FactoryBean which is currently in creation returned null from getObject
        at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:157)
        at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:109)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1397)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:243)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:188)
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:322)
        ... 50 more

任何人都可以有任何解决方案，为什么我的 sessionFactory bean 会出错？

提前谢谢...

【问题讨论】：

【参考方案1】：

Spring 准确地告诉你问题出在哪里，你只需要阅读日志和嵌套的错误消息：

在设置 bean 属性“sessionFactory”时无法解析对 bean“sessionFactory”的引用；嵌套异常是 org.springframework.beans.factory.BeanCurrentlyInCreationException： 创建名为“sessionFactory”的 bean 时出错：当前正在创建的 FactoryBean 从 getObject 中返回 null

通过 Google 搜索表明，此错误消息通常是 a circular dependency 的结果，并且还导致 a mailing list post that recommends 从您的 <beans> 元素中删除 default-autowire="detect"。

【讨论】：

嗨，谢谢您的回复..实际上我已经在谷歌上搜索过了，我也得到了解决方案..但是我在 tomcat 中部署我的项目时做错了..所以，我没有'不知道更改是否适用......现在我只用你给定的解决方案解决了这个问题......非常感谢。答案中的第一个链接指向 forum.springframework.org 上的另一个论坛帖子，该帖子已移至 forum.spring.io 域。解决循环依赖问题的正确链接是：forum.spring.io/forum/spring-projects/container/…

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