Haproxy random and rare 503 and 504 error

@Amine97 wrote:

this is my Haproxy cfg,

sometimes i get randomly and rarely “503 service unavailable no server is available to handle this request” and rarely also “504 Gateway Time-out The server didn’t respond in time.”

in haproxy Logs:

1. stats stats/ 0/-1/-1/-1/0 503 212 - - SC-- 2/2/0/0/0 0/0 “GET /favicon.ico HTTP/1.1”

2. front_app~ back_app/srv_app 0/0/0/-1/60002 504 194 - - sH-- 4/3/0/0/0 0/0 “GET / HTTP/1.1”

once i reload the page it works …

any help please ?

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