Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang3.StringUtils

1、错误描述

2014-7-10 23:12:23 org.apache.catalina.core.StandardContext filterStart严重: Exception starting filter struts2java.lang.NoClassDefFoundError: org/apache/commons/lang3/StringUtilsat com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:211)at org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:102)at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:234)at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67)at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:445)at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:489)at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74)at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57)at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4809)at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5485)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1229)at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1875)at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)at java.util.concurrent.FutureTask.run(FutureTask.java:138)at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)at java.lang.Thread.run(Thread.java:619)Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang3.StringUtilsat org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720)at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)... 25 more2014-7-10 23:12:23 org.apache.catalina.core.StandardContext startInternal严重: Error filterStart2014-7-10 23:12:23 org.apache.catalina.core.StandardContext startInternal严重: Context [/FirstSSH] startup failed due to previous errors2014-7-10 23:12:23 org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks严重: The web application [/FirstSSH] created a ThreadLocal with key of type [com.sun.faces.util.Util$1] (value [com.sun.faces.util.Util$1@5e6a13]) and a value of type [java.util.HashMap] (value [{com.sun.faces.patternCache={ = }}]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.2014-7-10 23:12:23 org.apache.catalina.startup.HostConfig deployDirectory

2、错误原因

     通过这个“Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang3.StringUtils”，可知这个缺少commons-lang3-3.1.jar包

3、解决办法

     将“commons-lang3-3.1.jar”复制到文件夹lib目录下