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HTTP 499 Error Code

There are numerous HTTP error codes out there, but let’s talk about the 499 error code. We can also refer to the 499 error code as HTTP code 499, or HTTP error 499. But whatever you call it, the 499 error code is something worth understanding. HTTP code 499 can happen anytime without you knowing, so let’s get started with getting to know HTTP error 499.

What is 499 Error Code?

The error 499 code was created by the minds behind NGINX, a high-performance web server. Being a prominent web server, NGINX created HTTP error 499 code to handle its specific error. For starters, HTTP error 499 part of a massive list of HTTP error codes, all pertaining to various requests done during online activity. Various entities connect to each other and request for certain data. HTTP error 499 basically means that the client, the request’s receiver, was not able to complete it. Compared to other error codes pertaining to forbidden requests or missing data, the 499 error code centers on errors pertaining to the client.

HTTP error 499 isn’t that specific. There are various reasons why the client wasn’t able to process the request, and ended up with a 499 error code. An example of an occurrence which led to HTTP code 499 is that the client got loaded up on data traffic, it had to shut down. For example, it’s highly possible that a content delivery network had to close the request because it is already loaded with other data-related concerns, like a high cache volume. HTTP error 499 happened because in the process of the request, the content delivery network had to attend to more internal problems, so as a client, it had to cancel the request.

Where does the 499 error code appear?

HTTP code 499 usually is seen in NGINX’s logs. Being a web server, NGINX 499 is able to identify that the problem is not in the server itself, or the entity which sent the request. HTTP error 499 simply means that the client shut off in the middle of processing the request through the server. The 499 error code puts better light that something happened with the client, that is why the request cannot be done. So don’t fret: HTTP response code 499 is not your fault at all.

What are other reasons why HTTP error 499 happened?

As established, HTTP code 499 is not the fault of the server or the requesting party, and maybe not even the fault of the client. HTTP code 499 can occur differently for various clients. It was established earlier that the client can be a website or an app, and these two experience errors differently. A website leading to HTTP code 499 may have been loaded with too much traffic, or the request was from faulty algorithms that created problems within the website. The HTTP error may also happen because of faulty programming. For example, some apps are cloud based, and the server will do the effort in reaching out to their cloud apps. However, there was a problem with the coding of the online app. HTTP error 499 appears because the app cannot process the request, due to faulty programming. This is another illustration of how the client, the online app, led to HTTP code 499.

More on Client Errors

HTTP code 499 is only one of many client-related error codes. In general, error codes are classified into five categories, labeled by the first number in their 3 digits. For codes 400-499, these are all client-based errors, meaning the server request cannot be completed at all because of problems on the side of the client. The most common of this group where HTTP error 499 belongs is the 404 error: File on Found. Unlike HTTP code 499, the 404 code is very straightforward and definite, whereas the 499 error code simply generalizes that the client cannot complete the request of the server.

If you are interested to know more about HTTP error 499 and other codes, it would be a good idea to study how server logs work and how you can make sense of the information stored in such logs. This will also give you more perspective in identifying specific clients, like apps and websites, that end up with HTTP code 499 the most, so that you can be more mindful of what apps and websites to visit. But in general, being familiar with the 499 error code and other codes will help you navigate the Web better.

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