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503 Service temporary Unavailable

Troubleshooting


Problem

This technote address an issue that you may sometimes notice on the Nginx Ingress logs. An error "503 Service temporary Unavailable" is generated. See similar error below: 
 

Symptom

nginx-ingress-controller-sfjx2 nginx-ingress 2020/07/07 12:48:27 [error] 23665#23665: *1269455996 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 10.253.60.45, server: smartit360.ngc02.group.echonet, request: "GET /api/widget/29/summary/undefined?ByDelphesTeam=1&Equ=71027&Metier=ALL&dateNow=Tue%20Jul%2007%202020%2014:46:27%20GMT+0200%20(Paris,%20Madrid%20(heure%20d%E2%80%99%C3%A9t%C3%A9)) HTTP/1.1", upstream: "http://10.241.76.132:7500/api/widget/29/summary/undefined?ByDelphesTeam=1&Equ=71027&Metier=ALL&dateNow=Tue%20Jul%2007%202020%2014:46:27%20GMT+0200%20(Paris,%20Madrid%20(heure%20d%E2%80%99%C3%A9t%C3%A9))", host: "smartit360.ngc02.group.echonet", referrer: "https://smartit360.ngc02.group.echonet/"
nginx-ingress-controller-sfjx2 nginx-ingress 2020/07/07 12:48:27 [error] 23665#23665: *1269456001 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 10.253.60.45, server: smartit360.ngc02.group.echonet, request: "GET /api/widget/30/summary/undefined?ByDelphesTeam=1&Equ=71027&Metier=ALL&dateNow=Tue%20Jul%2007%202020%2014:46:27%20GMT+0200%20(Paris,%20Madrid%20(heure%20d%E2%80%99%C3%A9t%C3%A9)) HTTP/1.1", upstream: "http://10.241.76.132:7500/api/widget/30/summary/undefined?ByDelphesTeam=1&Equ=71027&Metier=ALL&dateNow=Tue%20Jul%2007%202020%2014:46:27%20GMT+0200%20(Paris,%20Madrid%20(heure%20d%E2%80%99%C3%A9t%C3%A9))", host: "smartit360.ngc02.group.echonet", referrer: "https://smartit360.ngc02.group.echonet/"
nginx-ingress-controller-sfjx2 nginx-ingress 2020/07/07 12:48:27 [error] 23665#23665: *1269456009 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 10.253.60.45, server: smartit360.ngc02.group.echonet, request: "GET /api/widget/39/summary/undefined?ByDelphesTeam=1&Equ=71027&Metier=ALL&dateNow=Tue%20Jul%2007%202020%2014:46:27%20GMT+0200%20(Paris,%20Madrid%20(heure%20d%E2%80%99%C3%A9t%C3%A9)) HTTP/1.1", upstream: "http://10.241.76.132:7500/api/widget/39/summary/undefined?ByDelphesTeam=1&Equ=71027&Metier=ALL&dateNow=Tue%20Jul%2007%202020%2014:46:27%20GMT+0200%20(Paris,%20Madrid%20(heure%20d%E2%80%99%C3%A9t%C3%A9))", host: "smartit360.ngc02.group.echonet", referrer: "https://smartit360.ngc02.group.echonet/"
nginx-ingress-controller-sfjx2 nginx-ingress 2020/07/07 12:48:27 [error] 23666#23666: *1269455995 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 10.253.60.45, server: smartit360.ngc02.group.echonet, request: "GET /api/widget/8/summary/undefined?ByDelphesTeam=1&Equ=71027&Metier=ALL&dateNow=Tue%20Jul%2007%202020%2014:46:27%20GMT+0200%20(Paris,%20Madrid%20(heure%20d%E2%80%99%C3%A9t%C3%A9)) HTTP/1.1", upstream: "http://10.241.76.132:7500/api/widget/8/summary/undefined?ByDelphesTeam=1&Equ=71027&Metier=ALL&dateNow=Tue%20Jul%2007%202020%2014:46:27%20GMT+0200%20(Paris,%20Madrid%20(heure%20d%E2%80%99%C3%A9t%C3%A9))", host: "smartit360.ngc02.group.echonet", referrer: "https://smartit360.ngc02.group.echonet/"
nginx-ingress-controller-sfjx2 nginx-ingress 2020/07/07 12:48:33 [error] 23665#23665: *1269466634 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 10.253.60.45, server: smartit360.ngc02.group.echonet, request: "POST /api/widget/46/summary_post/undefined HTTP/1.1", upstream: "http://10.241.76.132:7500/api/widget/46/summary_post/undefined", host: "smartit360.ngc02.group.echonet", referrer: "https://smartit360.ngc02.group.echonet/"
nginx-ingress-controller-sfjx2 nginx-ingress 2020/07/07 12:48:41 [error] 23666#23666: *1269458188 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 159.50.228.30, server: smartit360.ngc02.group.echonet, request: "GET /api/widget/8/summary/DP12E?ByDelphesTeam=1&Equ=71948&Metier=ALL&dateNow=Tue%20Jul%2007%202020%2014:44:40%20GMT+0200 HTTP/1.1", upstream: "http://10.241.76.132:7500/api/widget/8/summary/DP12E?ByDelphesTeam=1&Equ=71948&Metier=ALL&dateNow=Tue%20Jul%2007%202020%2014:44:40%20GMT+0200", host: "smartit360.ngc02.group.echonet", referrer: "https://smartit360.ngc02.group.echonet/"
nginx-ingress-controller-sfjx2 nginx-ingress 2020/07/07 12:50:14 [error] 23665#23665: *1269491093 upstream timed out (110: Connection timed out) while SSL handshaking to upstream, client: 127.0.0.1, server: omc-odm.group.echonet, request: "GET / HTTP/1.1", upstream: "https://10.241.65.177:9443/", host: "omc-odm.group.echonet"
nginx-ingress-controller-sfjx2 nginx-ingress 2020/07/07 12:50:14 [error] 23665#23665: *1269491139 upstream timed out (110: Connection timed out) while SSL handshaking to upstream, client: 127.0.0.1, server: omc-odm.group.echonet, request: "GET / HTTP/1.1", upstream: "https://10.241.65.177:9443/", host: "omc-odm.group.echonet"
nginx-ingress-controller-sfjx2 nginx-ingress 2020/07/07 12:50:15 [error] 23666#23666: *1269491247 upstream timed out (110: Connection timed out) while SSL handshaking to upstream, client: 127.0.0.1, server: omc-odm.group.echonet, request: "GET / HTTP/1.1", upstream: "https://10.241.65.177:9443/", host: "omc-odm.group.echonet"
nginx-ingress-controller-sfjx2 nginx-ingress 2020/07/07 12:55:53 [error] 23665#23665: *1269538704 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 159.50.228.31, server: smartit360.ngc02.group.echonet, request: "POST /auth/logout HTTP/1.1", upstream: "http://10.241.76.132:7500/auth/logout", host: "smartit360.ngc02.group.echonet", referrer: "https://smartit360.ngc02.group.echonet/"

Document Location

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Document Information

Modified date:
24 July 2020

UID

ibm16252789