![]() ![]() If we increase the time-out period to 40 seconds, the page will load adequately without any problems. We get a 504-gateway time-out error because the time-out period is 20 seconds. By default, the AAG request time-out period is 20 seconds.įor example, let’s say we are trying to retrieve data for a data grid control, and it takes 30 seconds to process this request. Since we are concentrating on an issue with the application code, we can address the time-out issue by increasing the AAG request time-out period gradually until we can use the application and perform the request successfully. The gateway waits for the response, and if it does not receive one within the time-out period, it throws the 504 error. The cause of this error is that AAG has not received a timely response from the application server. The issue in the browser looks like this: 504 Gateway Time-Out Error What does the 504 error look like, and what is its cause?Ī user receives a 504 error in their browser when there is a long-running request related to the site accessed or some action that the user has performed in the web application. Check the AAG overview documentation for detailed explanations of its other features. Secure sockets layer (SSL/TLS) terminationĪAG has proven very useful with the increased usage of Azure resources for applications.The following features of AAG make it a practical and universally available load balancer: Azure Application GatewayĪs per Microsoft, AAG is a web traffic load balancer enabling us to manage web application traffic. This blog will explain how to resolve a 504 gateway time-out error in Azure Application Gateway (AAG) caused by an application error or performance issues. One of our previous articles, 8 Common HTTP Error Codes and Their Possible Fixes, explains a 504 gateway time-out error, its causes, and possible fixes. This error might be temporary due to heavy traffic to the website, or it might be due to a resource or request taking too much time to load. An HTTP 504 error code is sent to the browser when the request takes too long to complete. When a browser attempts to load a website, a request is typically made to a web server. ![]() BoldDesk – Customer Service Software New.BoldSign – Electronic Signature Software.
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