Hello team, I have some services and kong is reporting 502 errors in POST request, it is a random issue, the services are working normally and randomly appears a 502… Do you know why is that? Kong version 2.1.3 regards

Hi, 502 is usually the result of a bad response from an upstream server. Do you know which Kong service it is associated with? You can try to add the header “Kong-Debug: 1” to see which route/service it is hitting and you can then try to hit that upstream service directly to see if it can be repro…

Hello Joedas, Thank you so much for your response. Regarding your questions, Yes, I know the service associated to kong, and it’s quite strange, so for instance, it receives 1.5k request responding with a 200 and randomly during these 1.5k give 20 502… What I don’t know if the issue can come fro…

more info: We have more than one upstream in the end, we are using services and routes (kong 2.1.3) and this is happening in almost all of them. we have a a front ahead of the services and there we cannot see the 502 error, we detected in the kong side.

Looks like we have the same issue: [image] 502 & Keepalive connection closed, AWS/CloudFront + classic LB + Kong (K8s) How can I disable keepalive functionality in Kong? It’s not clear to me from the description whether this will solve your problem, but to your specific…

Hello, We have been sniffing traffic in the kong pods and we cannot see any 502, we only can see error 500 and we have detect some 502 checking the time and comparing it in the data captured… Do you have any idea why I cannot see any 502? Also, we have reduced the values to the next ones: keepal…

[image] 502 & Keepalive connection closed, AWS/CloudFront + classic LB + Kong (K8s) An HTTP 502 error means that a server received an invalid response from another server. In this case, Kong received an invalid response from your upstream. It is all explained in the log r…

Random 502 in POST request

Robert.Kapala November 13, 2020, 11:11am 5

Looks like we have the same issue:

Did not found solution for it. Disabling keepalive feature on Kong did not help.

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Random 502 in POST request

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