严重: Exception starting filter struts2解决

下了个Demo，发布报

org.apache.catalina.core.StandardContext?filterStart ??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.FilterDispatcher.init(FilterDispatcher.java:191) ??????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.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:525) ??????at?org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:926) ??????at?org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:889) ??????at?org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492) ??????at?org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149) ??????at?org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) ??????at?org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) ??????at?org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) ??????at?org.apache.catalina.core.StandardHost.start(StandardHost.java:719) ??????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:578) ??????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) ??2009-2-4?22:40:54?org.apache.catalina.core.StandardContext?start ??严重:?Error?filterStart ??2009-2-4?22:40:54?org.apache.catalina.core.StandardContext?start???

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??????? 网上搜了下，说是由于 tomcat 安装路径有空格，看了下 tomcat 的安装目录，确实有空格，于是把空格去掉，重新启动部署，一切正常了，应该是struts2.1.6的bug，再次分享给同胞们。