JQuery AJAX returns Error always

Question

I have a jsp page which simply prints {"result" : "success"} and there is a php page which calls this jsp with JQUery AJAJAX as below

$(document).ready(function (){ $.ajax({ url: 'index.jsp', data: 'id=test', dataType: 'json', cache: false, async:true, success: function(data) { alert(data); }, error: function(xhr, ajaxOptions, thrownError) { alert('Error ' + xhr.statusText + xhr.responseText); } }); });

If I put url in browser it works fine . But this ajax request always goes to error block .

Is there any argument in ajax call wrong ? I get alert 'Error ' no other resoibse text or error code.

I have another exactly same call from a jsp page which worked fine !

Use Firefox + Firebug - open the "NET" tab and you can see the response from the server directly. — Diodeus - James MacFarlane
– Diodeus - James MacFarlane, Commented Aug 25, 2011 at 17:03
what happens if you replace "alert(data)" with "alert(data.result)" or "console.log(data)" ? — roselan
– roselan, Commented Aug 25, 2011 at 17:20

Pit Digger · Accepted Answer · 2011-08-26 13:26:13Z

1

I figured it out that it was a cross domain call which was causing issue . I had to use jsonp and add a callback function in order for it to work .

answered Aug 26, 2011 at 13:26

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3 Comments

Fraggle Over a year ago

This is probably the best answer (not the selected one on this page). Had the same issue and running the file on my server instead of locally fixed it. Definitely a cross domain security thing which strangely jquery doesn't give specific error message for.

dewd Over a year ago

This answer isn't good enough. It does not show what is meant by "use jsonp and add a callback function".

Harry Boy Over a year ago

This is unclear: "use jsonp and add a callback function"

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