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POAJAX success handler not being invoked
 

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    <p>I am trying to perform an AJAX request to a Play application on Heroku from my local machine. Currently, the <code>'complete'</code> and <code>'error'</code> handlers are being invoke but not the <code>'success'</code>. In Opera and Firefox, my response headers are:</p> <pre><code>HTTP/1.1 200 OK Cache-Control: no-cache Content-Type: application/json; charset=utf-8 Server: Play! Framework;1.2.4;prod Set-Cookie: PLAY_FLASH=;Expires=Fri, 5-Oct-12 08:22:46 GMT;Path=/ Set-Cookie: PLAY_ERRORS=;Expires=Fri, 5-Oct-12 08:22:46 GMT;Path=/ Set-Cookie: PLAY_SESSION=;Expires=Fri, 5-Oct-12 08:22:46 GMT;Path=/ Content-Length: 2295 Connection: keep-alive </code></pre> <p>Opera also shows the returned JSON object</p> <p>Here is my code:</p> <pre><code>var url = "http://myurl.com" $.ajax({ 'complete': function (jqXHR, status) { console.log('Complete!'); console.log(status); console.log(jqXHR.getAllResponseHeaders()); }, 'dataType': "application/json", 'error': function (jqXHR, status, error) { console.log('Error!'); console.log(status); console.log(error); }, 'success': function (data, status, jqXHR) { console.log('Success!'); console.log(status); console.log(data); }, 'type': 'GET', 'url': url }); </code></pre> <p>Other similar questions suggested changing the datatype to text or removing it altogether: neither work. I have successfully validated the returned JSON object at <a href="http://jsonlint.com/" rel="nofollow">JSONLint</a>.</p> <p>The console log is:</p> <pre><code>Error! error Complete! error </code></pre> <p>I'm not sure if it is linked, but the <code>getAllResponseHeaders()</code> function is returning an empty string.</p> <p>Is this a cross domain error?</p> <p>Any help is welcome!</p> <p>Thanks</p>
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    1. CO`error` and `success` cannot happen together
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    2. COI'm not surprised, but why is the `'error'` handler being called when there is no obvious error?
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      1. USLuke
    3. COWhats the error you are getting ?
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