jquery - Ajax call SyntaxError: JSON.parse: unexpected end of data at line 1 column 1 of the JSON data -


i trying make ajax call using jquery , setting session variables using coldfusion 10. error receiving:
syntaxerror: json.parse: unexpected end of data @ line 1 column 1 of json data

enter image description here

am overlooking something?

$('#tooltables_processing_1').on('click', function () {     $.ajax({         // location of cfc run         url: "redirects/selectedrows.cfm",         // send http operation         type: "post",         // tell jquery we're getting json         datatype: "json",         // send data cfc          data: $('#form').serialize(),         // gets data returned on success         success: function (data) {             console.log(data);             window.location = 'forms/exitinterviewpdf.cfm';         },          // runs if error         error: function (xhr, textstatus, errorthrown) {             // show error             console.log(errorthrown);         }     }); });

if take out datatype: json empty string. enter image description here

selectedrows.cfm

<cfset session.exitinterview.selected.selectedrowname = form.selectedrowname > <cfset session.exitinterview.selected.selectedrowtodaydate = form.selectedrowtodaydate > <cfset session.exitinterview.selected.selectedrowtitle = form.selectedrowtitle > <cfset session.exitinterview.selected.selectedrowdepartment = form.selectedrowdepartment > <cfset session.exitinterview.selected.selectedrowhiredate = form.selectedrowhiredate > <cfset session.exitinterview.selected.selectedrowterminationdate = form.selectedrowterminationdate > <cfset session.exitinterview.selected.selectedrowreasonleaving = form.selectedrowreasonleaving > <cfset session.exitinterview.selected.selectedrowfeelpay = form.selectedrowfeelpay > <cfset session.exitinterview.selected.selectedrowprogresshere = form.selectedrowprogresshere > <cfset session.exitinterview.selected.selectedrowanotherjob = form.selectedrowanotherjob > <cfset session.exitinterview.selected.selectedrowcomparewith = form.selectedrowcomparewith > <cfset session.exitinterview.selected.selectedrowhighersalary = form.selectedrowhighersalary > <cfset session.exitinterview.selected.selectedrowpreventleaving = form.selectedrowpreventleaving > <cfset session.exitinterview.selected.selectedrowclearlyexplained = form.selectedrowclearlyexplained > <cfset session.exitinterview.selected.selectedrowbywhom = form.selectedrowbywhom > <cfset session.exitinterview.selected.selectedrowadequatetraining = form.selectedrowadequatetraining > <cfset session.exitinterview.selected.selectedrowworkperform = form.selectedrowworkperform > <cfset session.exitinterview.selected.selectedrowworkingcondition = form.selectedrowworkingcondition > <cfset session.exitinterview.selected.selectedrowsalary = form.selectedrowsalary > <cfset session.exitinterview.selected.selectedrowretirement = form.selectedrowretirement > <cfset session.exitinterview.selected.selectedrowhealthplan = form.selectedrowhealthplan > <cfset session.exitinterview.selected.selectedrowtuition = form.selectedrowtuition > <cfset session.exitinterview.selected.selectedrowunileave = form.selectedrowunileave > <cfset session.exitinterview.selected.selectedrowcoworkers = form.selectedrowcoworkers > <cfset session.exitinterview.selected.selectedrowsupervisionreceived = form.selectedrowsupervisionreceived > <cfset session.exitinterview.selected.selectedrowneededhelp = form.selectedrowneededhelp > <cfset session.exitinterview.selected.selectedrowmanagerrespond = form.selectedrowmanagerrespond > <cfset session.exitinterview.selected.selectedrowsuggestionsbetterplace = form.selectedrowsuggestionsbetterplace > <cfset session.exitinterview.selected.selectedrowrealreasonforleaving = form.selectedrowrealreasonforleaving > <cfset session.exitinterview.selected.selectedrowcomments = form.selectedrowcomments >  <cfoutput>#serializejson(session.exitinterview.selected)#</cfoutput>

errors breaking enter image description here

enter image description here

for vlad enter image description here

what when debugging large data sets narrow down problem. please try sample codes

 <!doctype html> <html> <head> <title>title of document</title> <meta http-equiv="x-ua-compatible" content="ie=edge,chrome=1"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> </head>  <body>  <form id="form" method="post" onsubmit="javascript:return(false)">      <input type="text" name="selectedrowname" id="selectedrowname" value="vlad" >        <input type="submit" id="tooltables_processing_1" value="save" >      </form>   <script type="text/javascript">  $(function(){      $('#tooltables_processing_1').on('click', function () {          $.ajax({             // location of cfc run             url: "redirects/selectedrows.cfm",             // send http operation             type: "post",             // tell jquery we're getting json             datatype: "json",             // send data cfc              data: $('#form').serialize(),             // gets data returned on success             success: function (data) {                 console.log(data);                 //window.location = 'forms/exitinterviewpdf.cfm';             },              // runs if error             error: function (xhr, textstatus, errorthrown) {                 // show error                 console.log(errorthrown);             }         });     }); });//doc ready  </script> </body>  </html>

selectedrows.cfm 

    <cfset session.exitinterview.selected.selectedrowname = form.selectedrowname > <!---<cfset session.exitinterview.selected.selectedrowtodaydate = form.selectedrowtodaydate > <cfset session.exitinterview.selected.selectedrowtitle = form.selectedrowtitle > <cfset session.exitinterview.selected.selectedrowdepartment = form.selectedrowdepartment > <cfset session.exitinterview.selected.selectedrowhiredate = form.selectedrowhiredate > <cfset session.exitinterview.selected.selectedrowterminationdate = form.selectedrowterminationdate > <cfset session.exitinterview.selected.selectedrowreasonleaving = form.selectedrowreasonleaving > <cfset session.exitinterview.selected.selectedrowfeelpay = form.selectedrowfeelpay > <cfset session.exitinterview.selected.selectedrowprogresshere = form.selectedrowprogresshere > <cfset session.exitinterview.selected.selectedrowanotherjob = form.selectedrowanotherjob > <cfset session.exitinterview.selected.selectedrowcomparewith = form.selectedrowcomparewith > <cfset session.exitinterview.selected.selectedrowhighersalary = form.selectedrowhighersalary > <cfset session.exitinterview.selected.selectedrowpreventleaving = form.selectedrowpreventleaving > <cfset session.exitinterview.selected.selectedrowclearlyexplained = form.selectedrowclearlyexplained > <cfset session.exitinterview.selected.selectedrowbywhom = form.selectedrowbywhom > <cfset session.exitinterview.selected.selectedrowadequatetraining = form.selectedrowadequatetraining > <cfset session.exitinterview.selected.selectedrowworkperform = form.selectedrowworkperform > <cfset session.exitinterview.selected.selectedrowworkingcondition = form.selectedrowworkingcondition > <cfset session.exitinterview.selected.selectedrowsalary = form.selectedrowsalary > <cfset session.exitinterview.selected.selectedrowretirement = form.selectedrowretirement > <cfset session.exitinterview.selected.selectedrowhealthplan = form.selectedrowhealthplan > <cfset session.exitinterview.selected.selectedrowtuition = form.selectedrowtuition > <cfset session.exitinterview.selected.selectedrowunileave = form.selectedrowunileave > <cfset session.exitinterview.selected.selectedrowcoworkers = form.selectedrowcoworkers > <cfset session.exitinterview.selected.selectedrowsupervisionreceived = form.selectedrowsupervisionreceived > <cfset session.exitinterview.selected.selectedrowneededhelp = form.selectedrowneededhelp > <cfset session.exitinterview.selected.selectedrowmanagerrespond = form.selectedrowmanagerrespond > <cfset session.exitinterview.selected.selectedrowsuggestionsbetterplace = form.selectedrowsuggestionsbetterplace > <cfset session.exitinterview.selected.selectedrowrealreasonforleaving = form.selectedrowrealreasonforleaving > <cfset session.exitinterview.selected.selectedrowcomments = form.selectedrowcomments >---> <cfsetting showdebugoutput="false"> <cfcontent reset="true" > <cfoutput>#serializejson(session.exitinterview.selected)#</cfoutput>

as others suggested can malformed json data , figured out code in application.cfc problem.


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