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Why am I getting a 'Failed to load resource: the server responded with a status of 500 ()' error

0 votes
asked Aug 22 by Michael Barham (120 points)

I ran the following code in Visual Studio Code...

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">


<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>JSON Giantess Data External</title>




#output {


        font-family:Arial, Helvetica, sans-serif;





    <div id="output" class="oput">Nothing</div>


    var myContainer = "";

    var a = new XMLHttpRequest();



    a.onreadystatechange = function () {

        if (this.readyState == 4) {

            var obj = JSON.parse(this.responseText);

            for (i=0;i<obj.length;i++) {


            myContainer += obj[i].giantess + " is growing to be " + obj[i].height + "!!!" + "<br>";

            } //end for loop

            document.getElementById("output").innerHTML = myContainer;


        }// end if

    }//end function





When I use the data.json file, I get the correct results(See line commented out).  However, when I try to call the external JSON file, https://api.jsonserve.com/Xljpml, I receive the following error messages...

AJAX_JSON.html:38     GET https://api.jsonserve.com/Xljpml 500
(anonymous) @ AJAX_JSON.html:38
VM123:1 Uncaught SyntaxError: Unexpected token 'I', "Internal S"... is not valid JSON
    at JSON.parse (<anonymous>)
    at a.onreadystatechange (AJAX_JSON.html:29:19)
a.onreadystatechange @ AJAX_JSON.html:29
XMLHttpRequest.send (async)
(anonymous) @ AJAX_JSON.html:38

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