Steps to troubleshoot TypeScript NS_BINDING_ABORTED error when making POST requests

Recently, I implemented a basic functionality in my project that sends a POST-request to the backend using a common wrapper function. This function utilizes 'fetch' and is called within an async/await context.

The body of the request consists of static data, including an ID and two dates. It seems pretty straightforward, but the wrapper-function would trigger a failure if the body is not supplied properly.

However, I encountered a peculiar issue where the request consistently fails with an NS_BINDING_ABORTED error message (with only one or two successful attempts out of around 100 retries).

I did some research and found out that this error usually indicates a cached response causing the request to be canceled. Despite having disabled caching and setting appropriate Header-Vars, the problem persists. Even adding random parameters to the URL does not seem to help much (although sometimes the OPTIONS-call goes through, the POST itself still fails).

It's worth mentioning that most of the post-requests in this project are made using the same wrapper function.

If anyone has any insights or suggestions on how to troubleshoot this issue, I would greatly appreciate it!

Answer №1

It turns out that my request was not canceled due to a cache hit, but rather because of a page reload.

This reload happened as a result of a form being submitted after my onclick event triggered, but before my request could finish.

Important note: Make sure to always set the type property on your buttons.

I'm still unsure about how to troubleshoot this in general, but in my case, clearing the browser's network tab and seeing the reason for the subsequent request being "Initiator: document" should have been a clue. This indicates that it's not caused by JavaScript, but rather some HTML functionality.

For further reading:

  • NS_BINDING_ABORTED Javascript window.location.replace()
  • MDN Archive - Network Error Codes

Answer №2

We encountered a similar issue, primarily occurring in Firefox but also once on Chrome.

The root of our problem was a form being submitted simultaneously with the use of fetch() in JavaScript to access our API. The refresh triggered by the form submission was causing interference with the fetch().

To resolve this, we implemented preventDefault() at the beginning of the function calling the API and included window.location.reload() at the end of the function to ensure the page still refreshed properly.

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