tomcat access日志

####tomcat：tomcat 7

####日志配置

# vi conf/server.xml

......
        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
               prefix="localhost_access_log." suffix=".txt" roratable="true" fileDateFormat="yyyy-MM-dd"
               pattern="%h %l %u thread:%I AccessTime:%t RequestHost:%v &quot;%r&quot; ResponseHttpCode:%s ResponseBytes:%b ProcessTime:%D CommitTime:%F RealClientIp:%{X-Real-IP}i " />
......

# tail -f logs/localhost_access_log.2016-06-17.txt

127.0.0.1 - - thread:http-bio-8080-exec-1 AccessTime:[17/Jun/2016:15:26:23 +0800] RequestHost:192.168.75.168 "GET /14hdn HTTP/1.1" ResponseHttpCode:404 ResponseBytes:961 ProcessTime:45 CommitTime:43 RealClientIp:192.168.75.191

####参数说明

请参考http://tomcat.apache.org/tomcat-7.0-doc/config/valve.html#Access_Logging

%I：tomcat线程

%t：访问时间

%v：请求头的host

%s：返回的http返回码

%b：返回的数据大小（Bytes）

%D：请求处理时间

%F：提交请求使用的时间

%{xxx}i: 请求头里对应的数据

%{xxx}o: 返回头里对应的数据