struts2中 tomcat启动错误

经过我上网查找，有人说是tomcat路径中有空格，说他改了就成功了，我检查了一下自己的tomcat路径，没有空格，但有中文，我就改了一下路径，没有了中文，然后就成功了。

严重: Exception starting filter struts2   
java.lang.NullPointerException   
    at com.opensymphony.xwork2.util.FileManager$FileRevision.needsReloading(FileManager.java:209)   
    at com.opensymphony.xwork2.util.FileManager.fileNeedsReloading(FileManager.java:60)   
    at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.needsReload(XmlConfigurationProvider.java:325)   
    at org.apache.struts2.config.StrutsXmlConfigurationProvider.needsReload(StrutsXmlConfigurationProvider.java:168)   
    at com.opensymphony.xwork2.config.ConfigurationManager.conditionalReload(ConfigurationManager.java:220)   
    at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:61)   
    at org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:774)   
    at org.apache.struts2.dispatcher.ng.InitOperations.initStaticContentLoader(InitOperations.java:77)   
    at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:49)   
    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:3800)   
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4450)   
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)   
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)   
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)   
    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:987)   
    at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:909)   
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:495)   
    at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206)   
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314)   
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)   
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)   
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)   
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)   
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)   
    at org.apache.catalina.core.StandardService.start(StandardService.java:516)   
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)   
    at org.apache.catalina.startup.Catalina.start(Catalina.java:583)   
    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:288)   
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)   
2010-3-1 22:26:44 org.apache.catalina.core.StandardContext start   
严重: Error filterStart