struts2项目启动失败？？？？？？

Question

2009-8-5 17:03:17 org.apache.catalina.startup.HostConfig checkResources
信息: Reloading context [/strutsdemo]
2009-8-5 17:03:17 org.apache.catalina.core.StandardContext stop
信息: Container org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/strutsdemo] has not been started
2009-8-5 17:03:18 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info
信息: Parsing configuration file [struts-default.xml]
2009-8-5 17:03:18 org.apache.catalina.core.StandardContext filterStart
严重: Exception starting filter struts2
Unable to load configuration. - bean - jar:file:/D:/tomcat/webapps/strutsdemo/WEB-INF/lib/struts2-core-2.1.6.jar!/struts-default.xml:46:178
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:58)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:360)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:403)
at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:190)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3709)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4363)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1116)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1214)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:293)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1337)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590)
at java.lang.Thread.run(Thread.java:619)
Caused by: Unable to load bean: type:org.apache.struts2.dispatcher.multipart.MultiPartRequest class:org.apache.struts2.dispatcher.multipart.JakartaMultiPartRequest - bean - jar:file:/D:/tomcat/webapps/strutsdemo/WEB-INF/lib/struts2-core-2.1.6.jar!/struts-default.xml:46:178
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:222)
at org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:101)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:165)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
... 17 more
Caused by: java.lang.NoClassDefFoundError: org/apache/commons/fileupload/RequestContext
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
at java.lang.Class.getDeclaredConstructors(Class.java:1836)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:212)
... 20 more
Caused by: java.lang.ClassNotFoundException: org.apache.commons.fileupload.RequestContext
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
... 24 more
2009-8-5 17:03:18 org.apache.catalina.core.StandardContext start
严重: Error filterStart
2009-8-5 17:03:18 org.apache.catalina.core.StandardContext start
严重: Context [/strutsdemo] startup failed due to previous errors

Answer 1

java.lang.NoClassDefFoundError: org/apache/commons/fileupload/RequestContext 
 这个类找不到？、
项目中有这个commons-fileupload.jar？？？？？？？？？？

Answer 2

lz用的struts2应该2.1以上版本的。在2.1以上版本中jar包得加入文件上传的那两个jar包
commons-fileupload-x.x.x.jar
commons-io-x.x.x.jar
其中x为版本号

Answer 3

你这缺少JAR文件，加上就行了，楼上正解

Answer 4

的确缺少了commons-fileupload.jar！

Answer 5

commons-fileupload-x.x.x.jar 
commons-io-x.x.x.jar