Nginx ErrorsWarning
conflicting server nameconflicting server name — Duplicate Server Name
Two or more server blocks use the same server_name.
nginxserver
View details no live upstreams while connecting to upstreamAll upstream servers in the pool are marked as unavailable.
All servers in the upstream block have failed health checks or are returning errors.
Check the health of all upstream servers. Review max_fails and fail_timeout settings. Add backup servers to the upstream block.
conflicting server nameTwo or more server blocks use the same server_name.
rewrite or internal redirection cycleNginx detected an infinite redirect or rewrite loop.
host not found in upstreamNginx could not resolve the hostname specified in the upstream block.
open() failed (13: Permission denied)Nginx cannot read the file due to filesystem permissions.
497 HTTP to HTTPSA plain HTTP request was sent to the HTTPS port.
no resolver defined to resolveNginx needs to resolve a hostname but no DNS resolver is configured.