elastic / elastic/apm-agent-php
Getting 502 when using in combination with Azure Application Gateway
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agent-php
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Description
Hi there,
I was testing the extension with my PHP 7.3.14 (Ubuntu) which runs an Apache server. As load balancer solution we are using Azure Application Gateway. So basically the requests go first to Application Gateway and then it hits my Apache server.
Checking the logs I can see that my Apache is responding the requests with 200 but the application gateway is responding with 502. Disabling the APM extension everything starts working fine again. Even getting 502 I am able to see the traces being sent to APM dashboard.
Any thoughts on what can be the issue here?
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