Nginx Error Code 99 Address not available

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Intro Nginx Error Code 99 Address not available

這篇介紹Nginx Error Code 99 Address not available。

Nginx error log

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error log出現connect() to IP:PORT failed (99: Address not available) 
while connecting to upstream

檢查設定1:

server {
   	proxy_http_version 1.1;
   	proxy_set_header Connection "";
}

檢查設定2:

upstream abc {
	server IP:PPORT;
	keepalive 1000;
}