严重: Error starting static Resources
java.lang.IllegalArgumentException: Document base C:\Program Files\Apache Software Foundation\Tomcat 5.5\webapps\struts2-mailreader-2.1.8.1 does not exist or is not a readable directory
at org.apache.naming.resources.FileDirContext.setDocBase(FileDirContext.java:141)
at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:3855)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4024)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:626)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1150)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:736)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:448)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
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:295)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
2009-12-12 10:09:43 org.apache.catalina.core.StandardContext start
严重: Error in resourceStart()
2009-12-12 10:09:43 org.apache.catalina.core.StandardContext start
严重: Error getConfigured
2009-12-12 10:09:43 org.apache.catalina.core.StandardContext start
严重: Context [/struts2-mailreader-2.1.8.1] startup failed due to previous errors
已经删除了webapps和work下的struts2-mailreader-2.1.8.1这个文件，但是在tomcat启动的时候
依然在work下生产了struts2-mailreader-2.1.8.1这个空文件夹，所以导致了上面的错误
按道理说，删除webapps和work下的文件，就是已经删除干净了，为什么还会生成一个空文件
从而导致上面的错误？
------解决方案--------------------------------------------------------
楼主修改过.xml文件没有？