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Knowledge Base & Operational DocumentationWhy Does a Website Return 502 Errors Only During Deployments?
11/10/2026
A 502 during release usually means the proxy cannot get a healthy response from the new application process.
Checks to make
Compare proxy, application, and process-manager timestamps; check health checks, startup time, socket permissions, and worker overlap.
When to get help
A staged deployment and monitored rollback can reduce customer impact. Informatix Systems can assess the symptoms, evidence, and next steps. Contact Informatix Systems to discuss this issue.