严重: Exception starting filter struts2

一、异常

 

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:4356) 
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:924) 
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:887) 
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492) 
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1147) 
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) 
2009-2-19 9:47:43 org.apache.catalina.core.StandardContext start 
严重: Error filterStart

 

二、解决办法

 

你可以试一下修改在struts.xml里 ，

<constant name="struts.devMode" value="true" />

把上面这句话改为

<constant name="struts.devMode" value="false" />    
如果能启动成功说明我们问题一样。

现在你把value的值改为true，然后再去改tomcat的路径，

把tomcat的路径改在C盘得根目录下，然后tomcat的路径中不能有空格，你再启动试试，应该就可以了。

其实这个是Struts的一个BUG,Tomcat的路径不能有空格。