下载与你Tomcat对应版本的 tcnative-1.dll，放到apache-tomcat-7.0.57\bin 目录下，重启tomcat
http://archive.apache.org/dist/tomcat/tomcat-connectors/native/
tomcant报错The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path
原文：http://www.cnblogs.com/jinzhiming/p/5735511.html
