The status of the Ajax response is non-existent

On my local server (jsboss), I have a resource located at:

Using the Mozilla RESTClient addon, when I access this URL, I receive the following response:

Status Code: 200 OK
Content-Length: 160
Content-Type: application/vnd.collection+json

Alternatively, if I open the same URL in a regular browser window, the response is saved as a file.

To further test this resource, I created a basic HTML file that makes an AJAX call to it:

var x = new XMLHttpRequest();
x.onreadystatechange = function() {
    if(x.readyState == 4 && x.status == 200) {
        alert(x.responseText);
    }
}
x.open("GET", "http://x.x.x.x:8080/webapis/", true);
x.setRequestHeader("Content-Type", "application/vnd.collection+json");
x.send();

However, upon executing this file, I encounter a status of 0 and empty response content. Can anyone assist me in identifying what might be causing this issue? Thank you in advance.

Answer №1

Remember to ensure that the open() method is invoked prior to making any alterations to an XMLHttpRequest object. Calling open resets the object, potentially removing any event handlers linked to the onreadystatechange property. This is why you may only observe a status value of 0.

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