tomcat access日誌

####tomcat：tomcat 7

####日誌配置

# 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

####參數說明

請參考http://tomcat.apache.org/tomcat-7.0-doc/config/valve.html#Access_Logging

%I：tomcat線程

%t：訪問時間

%v：請求頭的host

%s：返回的http返回碼

%b：返回的數據大小（Bytes）

%D：請求處理時間

%F：提交請求使用的時間

%{xxx}i: 請求頭裏對應的數據

%{xxx}o: 返回頭裏對應的數據