nginx_upstream_check_module报错500或403

nginx编译加入nginx_upstream_check_module后访问时报错500 Internal Server Error

 查看配置过程都正常，后来发现是upstream里没有加入check参数

upstream shopping{
  server 192.168.26.180:9700;
  server 192.168.26.181:9700;
  check interval=3000 rise=2 fall=5 timeout=1000 type=tcp;
}

# 重新加载配置文件
service nginx reload

如果不加check参数，查看访问日志发现有报错500或403，如下

# 报错500
IP - - [04/Jan/2021:10:22:29 +0800] "GET /nstatus HTTP/1.1" 500 572 "-" "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.106 Safari/537.36" "-" "-" "-" "-" "-" "-" | "-"

# 报错403
IP - - [04/Jan/2021:10:33:54 +0800] "GET /favicon.ico HTTP/1.1" 403 548 "http://192.168.26.180/nstatus" "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.106 Safari/537.36" "-" "-" "-" "-" "-" "-" | "-"

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