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Thus, a server that is upstream is located higher in the overall server hierarchy than a server that is downstream. In general networking parlance, an upstream server is a server that provides a service to (i.e.
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Similar to the 502 Bad Gateway Error we’ve looked at in the past, a 504 Gateway Timeout Error indicates that something has gone wrong with a gateway or proxy server that is further upstream. Throughout this article we’ll examine the 504 Gateway Timeout Error by looking at a few troubleshooting tips and potential fixes for common problems that might be causing this issue, so let’s get started! The Problem is Server-SideĪll HTTP response status codes that are in the 5xx category are considered server error responses.
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There are dozens of possible HTTP status codes used to represent the complex relationship between the client, a web application, a web server, and often multiple third-party web services, so determining the cause of a particular status code can be a challenge, even under the best of circumstances. As with most HTTP response codes that indicate an error like this, it can be difficult to determine the exact cause of a 504 Gateway Timeout Error.
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A 504 Gateway Timeout Error is an HTTP response status code indicating that a server, which is currently acting as a gateway or proxy, did not receive a timely response from another server further upstream.
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