[原]Exception starting filter MyStruts2-优快云博客

本文记录了一次在启动Struts2应用过程中遇到的ClassNotFoundException异常，详细分析了问题的原因，并提供了有效的解决方案，对于开发者来说，是一份很好的参考资料。

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[标题]:[原]Exception starting filter MyStruts2
[时间]:2009-7-27
[摘要]:java.lang.ClassNotFoundException: org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
[关键字]:浪曦视频，Struts2应用开发系列，WebWork，Apache，Struts，风中叶，FilterDispatcher
[环境]:struts-2.1.6、JDK6、MyEclipse7、Tomcat6
[作者]:Winty (wintys@gmail.com) http://www.blogjava.net/wintys

[错误]:

2009-7-26 19:09:40 org.apache.catalina.core.StandardContext filterStart
严重: Exception starting filter MyStruts2
java.lang.ClassNotFoundException: org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
   at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
   at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
   at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:249)
   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.start(ContainerBase.java:1045)
   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(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
   at java.lang.reflect.Method.invoke(Unknown Source)
   at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
   at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)

[原因&解决]:
没有加入struts2-core-2.1.6.jar，或其它配置错误导致找不jar。