项目提示:Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactor

一、问题描述

一运行项目就提示:

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
at org.apache.commons.beanutils.ConvertUtilsBean.<init>(ConvertUtilsBean.java:157)
at org.apache.commons.beanutils.BeanUtilsBean.<init>(BeanUtilsBean.java:117)
at org.apache.commons.beanutils.BeanUtilsBean$1.initialValue(BeanUtilsBean.java:68)
at org.apache.commons.beanutils.ContextClassLoaderLocal.get(ContextClassLoaderLocal.java:153)
at org.apache.commons.beanutils.BeanUtilsBean.getInstance(BeanUtilsBean.java:80)
at org.apache.commons.beanutils.PropertyUtilsBean.getInstance(PropertyUtilsBean.java:114)
at org.apache.commons.beanutils.PropertyUtils.getPropertyDescriptor(PropertyUtils.java:460)
at org.apache.shiro.config.ReflectionBuilder.isTypedProperty(ReflectionBuilder.java:409)
at org.apache.shiro.config.ReflectionBuilder.applyProperty(ReflectionBuilder.java:702)
at org.apache.shiro.config.ReflectionBuilder.applySingleProperty(ReflectionBuilder.java:364)
at org.apache.shiro.config.ReflectionBuilder.applyProperty(ReflectionBuilder.java:325)
at org.apache.shiro.config.ReflectionBuilder$AssignmentStatement.doExecute(ReflectionBuilder.java:955)
at org.apache.shiro.config.ReflectionBuilder$Statement.execute(ReflectionBuilder.java:887)
at org.apache.shiro.config.ReflectionBuilder$BeanConfigurationProcessor.execute(ReflectionBuilder.java:765)
at org.apache.shiro.config.ReflectionBuilder.buildObjects(ReflectionBuilder.java:260)
at org.apache.shiro.config.IniSecurityManagerFactory.buildInstances(IniSecurityManagerFactory.java:167)
at org.apache.shiro.config.IniSecurityManagerFactory.createSecurityManager(IniSecurityManagerFactory.java:130)
at org.apache.shiro.config.IniSecurityManagerFactory.createSecurityManager(IniSecurityManagerFactory.java:108)
at org.apache.shiro.config.IniSecurityManagerFactory.createInstance(IniSecurityManagerFactory.java:94)
at org.apache.shiro.config.IniSecurityManagerFactory.createInstance(IniSecurityManagerFactory.java:46)
at org.apache.shiro.config.IniFactorySupport.createInstance(IniFactorySupport.java:123)
at org.apache.shiro.util.AbstractFactory.getInstance(AbstractFactory.java:47)
at com.fendo.temp.Main.main(Main.java:23)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 23 more


缺少commons-logging.jar这个依赖。。

二、解决方法

在POM.XML中加入以下依赖就行了:

<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.2</version>
</dependency>