SSH问题（五）java.lang.ClassNotFoundException: org.slf4j.LoggerFactory

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最新推荐文章于 2025-05-30 09:23:33 发布

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本文解决了一个在使用Spring框架时遇到的BeanCreationException异常问题，该异常源于构造器抛出的错误，进一步分析发现是由于SLF4J的LoggerFactory类找不到导致的NoClassDefFoundError。文章详细介绍了问题定位步骤，通过添加正确的SLF4J依赖解决了此问题。

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问题：java.lang.ClassNotFoundException: org.slf4j.LoggerFactory

Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'timerFactory' defined in class path resource [org/springstudy/quartz/string.xml]: Invocation of init method failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.quartz.impl.StdSchedulerFactory]: Constructor threw exception; nested exception is java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1568)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:540)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
   at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302)
   at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:229)
   at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298)
   at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
   at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:706)
   at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
   at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
   at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
   at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
   at org.springstudy.quartz.Test.main(Test.java:9)
Caused by: org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.quartz.impl.StdSchedulerFactory]: Constructor threw exception; nested exception is java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
   at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:163)
   at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:104)
   at org.springframework.scheduling.quartz.SchedulerFactoryBean.afterPropertiesSet(SchedulerFactoryBean.java:458)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1627)
   at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1564)
   ... 12 more
Caused by: java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
   at org.quartz.impl.StdSchedulerFactory.<init>(StdSchedulerFactory.java:303)
   at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
   at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
   at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
   at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
   at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:147)
   ... 16 more
Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
   at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
   at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
   at java.security.AccessController.doPrivileged(Native Method)
   at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
   at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
   ... 22 more