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

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/