struts啟動報錯的問題

今天配置struts1.3，在web.xml裡加入配置檔案出錯，報錯如下

嚴重: StandardWrapper.Throwable

java.lang.NullPointerException

    at org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionServlet.java:1003)

    at org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:955)

    at org.apache.struts.action.ActionServlet.init(ActionServlet.java:470)

    at javax.servlet.GenericServlet.init(GenericServlet.java:212)

    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1173)

    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:993)

    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4149)

    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4458)

    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)

2010-4-23 17:15:46 org.apache.catalina.core.StandardContext loadOnStartup

百思不得其解，一個字元一個字元的比對，看有什麼不同的。無解～～～

偶然之間，看到配置檔案名struts-config-message .xml，字尾名前多了個空格，去掉空格，問題解決。

My God！What a fucking day!