When attempting to use Ajax, the operation fails; however, if I directly access the URL,

When using firebug, I attempted to make the following AJAX call:

var rootUrl = 'http://172.24.105.22:8080/geoserver/Chennai_Sub/ows';

var defaultParameters = {
    service: 'WFS',
    version: '1.0.0',
    request: 'GetFeature',
    typeName: 'Chennai_Sub:Link',
    maxFeatures: 200,
    outputFormat: 'application/json',
    format_options: 'callback: getJson'

};

$.ajax({
    url: rootUrl,
    data: defaultParameters,
    success: function () {
        console.log("victory");
    },
    error: function (XMLHttpRequest, textStatus, errorThrown) {
        console.log(textStatus);
    }
});

The AJAX call failed with a response object containing these details:

readyState  4
status  404
statusText  "error"

Surprisingly, when manually entering the URL (

http://172.24.105.22:8080/geoserver/Chennai_Sub/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=Chennai_Sub%3ALink&maxFeatures=200&outputFormat=application%2Fjson&format_options=callback%3A+getJson
) in my browser, I receive a clean JSON response. Can anyone pinpoint what might be wrong here?

(It's worth noting that I ran the firebug session on this URL as well: http://172.24.105.22:3000/layer, so CORS issues are ruled out.)

Answer №1

It's possible that the solution provided may not be correct, however, I suspect that using different ports could lead to this issue.

As mentioned in a previous comment:

AJAX requests are only permitted within the same domain, protocol, and port as per the Same Origin Policy.

For more information on this topic, refer to Wikipedia: http://en.wikipedia.org/wiki/Same-origin_policy

Answer №2

It seems like the URLs provided are inaccessible. Your server might be having trouble accessing them as well, even though your local computer could potentially reach them. Double-check to ensure that the target URL is reachable from your website. One alternative is to use a relative URL instead of an absolute one if you're making AJAX requests from the same server.

If the above solution doesn't resolve the issue, consider using $.get in jQuery rather than $.ajax.

$.get('http://172.24.105.22:8080/geoserver/Chennai_Sub/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=Chennai_Sub%3ALink&maxFeatures=200&outputFormat=application%2Fjson&format_options=callback%3A+getJson', function(response) {
console.log(response);
})

Alternatively

$.get('http://172.24.105.22:8080/geoserver/Chennai_Sub/ows', defaultParameters, function(response) {
console.log(response);
})

Answer №3

At first glance, it appears that a 404 error occurred, indicating the client successfully connected to the server but couldn't locate the requested content. It would be wise to ensure there is a proper route configured for the rootURL in order to resolve this issue.

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