nginx 499 错误
参考:http://www.lc365.net/blog/b/23997/http://yucanghai.blog.51cto.com/5260262/1713803
错误日志:
10.0.0.21 - - "POST /insight/plan/query HTTP/1.1" 499 0 "https://newtest.dmp.mcdonalds.com.cn/insight/plan/plan" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36" "116.236.168.138"
499错误是什么?让我们看看NGINX的源码中的定义:
ngx_null_string, /* 499, client has closed connection */这很有可能是因为服务器端处理的时间过长,客户端“不耐烦”了。
根据网上提供的各种timeout设置,解决不了问题,最终在代理nginx的nginx.conf中添加如下两行配置:
proxy_read_timeout 300; #默认60s,这里修改为300s
proxy_ignore_client_abort on; #表示代理服务端不要主要主动关闭客户端连接。
web再次执行查询:
10.0.0.21 - - "GET /insight/plan/plan HTTP/1.1" 200 23597 "https://newtest.dmp.mcdonalds.com.cn/insight/plan/index" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36" "116.236.168.138"
10.0.0.21 - - "POST /insight/plan/query HTTP/1.1" 499 0 "https://newtest.dmp.mcdonalds.com.cn/insight/plan/plan" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36" "116.236.168.138"
2017:17:11:50开始,2017:17:16:53结束,时间持续了5分钟=300s
解决问题。
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