[MapServer-users] Mapserver on k8s weird behaviour

[Lime, Steve D (MNIT)]

Hi Marcin: Are you using FastCGI? Which version of MapServer? We ran into something similar w/FastCGI and version 8 during development where you'd see the first instance of an error message but then the server error subsequently. It was consistent on some setups but never happened on others. You could try applying the fix (see https://github.com/MapServer/MapServer/pull/6577) locally and see if that fixes things. It will be backported to the 7.6 branch in the near future.

--Steve

From: MapServer-users <mapserver-users-bounces at lists.osgeo.org> On Behalf Of Marcin Niemyjski via MapServer-users
Sent: Friday, December 2, 2022 8:46 AM
To: Marcin Niemyjski via MapServer-users <mapserver-users at lists.osgeo.org>
Subject: [MapServer-users] Mapserver on k8s weird behaviour

Hello,

I am using Mapserver on Kubernetes (LoadBalancer). Everything works great -  GetMap, GetCapabilities, layers load correctly in QGIS and Leaflet.
However, what caught my attention is that when passing the mapfile's url using LoadBalancer/Kubernetes IP, only the first time the message is

msLoadMap(): Regular expression error. MS_DEFAULT_MAPFILE_PATTERN validation failed

and every time thereafter

Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.

By refreshing a few times, you may get the expected message again, but this is random. As I mentioned - layers and requests load correctly everywhere (also after repeated refreshing). Should I be concerned? I would love to understand why is this happening ^^

Sample mapfile (but problem occured on all those tested):
https://pastecode.io/s/pfaudfef<https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpastecode.io%2Fs%2Fpfaudfef&data=05%7C01%7Csteve.lime%40state.mn.us%7C7ceae57b709d4db0969008dad473fbd7%7Ceb14b04624c445198f26b89c2159828c%7C0%7C0%7C638055891860706259%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=yPm1t04H3cgSreLG0OEY6oAMeH8QfHooB0AOTPOfG4Y%3D&reserved=0>
As always - thank you,
Marcin


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