Tomcat6使用Struts2无故报404错误解决方案

错误信息：The Apache Tomcat Native library which allows optimal performance in produ 
ction environments was not found on the java.library.path: E:\_PortableJava\JDK1 
.6.0\bin;.;D:\WINDOWS\Sun\Java\bin;D:\WINDOWS\system32;D:\WINDOWS; 

解决办法： 
下载tcnative-1.dll并复制到Windows/system32下 重启TOMCAT6: 
http://apache.freelamp.com/tomcat/tomcat-connectors/native/1.1.16/binaries/win32/