Exception starting filter encodingFilter

我用的环境是myeclipse 6.5 tomcat5.5 mysql
我的程序一运行有这些严重
严重: Exception starting filter encodingFilter
java.lang.ClassNotFoundException: EncodingFilter
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1358)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)
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:3693)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4340)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleS

Unhandle Exception exception 是什么意思 oracle exception Unhandle exception ALL START START是什么意思 翻译start start in与start on的区别 start dong 还是start to do sth Exception EOleSysError in module