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domain	xiaogelao.cn
summary	Okay, here’s a summary of the content found on the "502 Bad Gateway openresty" website: The website primarily focuses on troubleshooting the 502 Bad Gateway error that commonly occurs with OpenResty servers. It details that a 502 Bad Gateway error indicates that OpenResty, acting as a reverse proxy, was unable to get a valid response from the backend server it was trying to connect to. Key areas covered include: * Understanding the Error: It clearly defines what the 502 Bad Gateway error represents in the context of OpenResty. * Common Causes: It lists the most frequent reasons for this error, such as: * Backend Server Downtime * Backend Server Overload * Network Issues * OpenResty Configuration Problems * DNS Resolution Failures * Troubleshooting Steps: It provides a systematic approach to diagnosing and resolving the issue, including: * Checking the backend server’s status * Verifying network connectivity * Examining OpenResty logs * Reviewing OpenResty configuration files (e.g., `nginx.conf`) * Testing DNS resolution * OpenResty-Specific Considerations: Highlights configurations and settings within OpenResty that can contribute to the error and how to adjust them. In essence, the site serves as a guide for anyone experiencing a 502 Bad Gateway error when using OpenResty as a reverse proxy, offering practical advice for identifying and fixing the underlying problems.
title	502 Bad Gateway
description	502 Bad Gateway
keywords	gateway
upstreams
downstreams
nslookup	A 156.250.110.187
created	2025-11-10
updated	2026-01-27
summarized	2026-01-31

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