Hello all,
I have an web application on GAE since 2019, working very well since the beginning, and well used 24/7 everyday by ~200 pro users with various devices/connections. 1 or 2 evolutions per year, last deploy was on may 2022.
It's a spring boot application with API linked to MYSQL, and with angular web site bundled inside.
This morning (20/4/2023), problems started with static ressources when lauching website from.. anywhere.
Randomly, static files were not served anymore.. sometime 1 js, sometime 2 js , etc... In web dev console, i only see HTTP 500 on these files. Next request, the concerned file is HTTP 200, but others are HTTP500, with this kind of http response :
":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 323
content-type: text/html; charset=UTF-8
date: Thu, 20 Apr 2023 16:36:34 GMT
server: Google Frontend
In google cloud console logs, i only see requests with HTTP 200, i cannot see requests of file with HTTP 500, .. like some kind of filter did'nt let them pass.
No load balancer configured, or firewall... and didn't find a "Google Frontend" service somewhere.
Anyway, i took back my source code to redeploy the same version of last year, without promote it.
First test ok, no more HTTP 500, so I promoted it on main hostname.. and no more HTTP 500 errors on static files. All is now ok.. but what was the cause of the problem ?
I found no errors anywhere in the google cloud console ... 😞
Any advices appreciated 🙂
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