Internal Server error 500 - posting ajax request to coldfusion page: Coldfusion v8, Ajax

Internal Server error 500 - posting ajax request to coldfusion page

Hi there

I have the following web page trying to do a ajax post to a coldfusion page which inserts data to a file:

dave.html:

<!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">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Untitled Document</title>
</head>

<script type="text/javascript" src="prototype.js">
</script>
<script type="text/javascript" src=
"scriptaculous.js">
</script>

<script type="text/javascript">

//new Ajax.Request('saveportal.cfm', {asynchronous:true});

function displaymessage()
{

var opt = {
// Use POST
method: 'post',
// Send this lovely data
postBody: escape('thisvar=true&thatvar=Howdy&theothervar=2112'),
// Handle successful response
onSuccess: function(t) {
alert(t.responseText);
},
// Handle 404
on404: function(t) {
alert('Error 404: location "' + t.statusText + '" was not found.');
},
// Handle other errors
onFailure: function(t) {
alert('Error ' + t.status + ' -- ' + t.statusText);
}
}
new Ajax.Request('http://10.5.0.2/saveportal.cfm', opt);
}

</script>
<body>
<input type="button" value="Click me!" onclick="displaymessage()" >
</body>
</html>

Coldfusion page saveportal.cfm:

<cffile action="write" addnewline="yes" file="c:\dave.txt" output="Page Hit" fixnewline="yes">

When I run dave.html, there is a slight pause and I get 500 -- Internal Server Error, i.e the failure function. I am new to Ajax and I have no idea what this could be, is the set up incorrect, do I need to do anything special in coldfusion etc etc??

Also if I open the coldfusion page by itself it works fine.

Any help would be much appreciated!

Thanks

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It looks like you have coldfusion 8, so I would use cfjaxproxy and point it to a CFC with a function to write the file. here is an example

dave.cfm
---------------------------------------------------
<!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">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Untitled Document</title>
<cfajaxproxy cfc="saveportal" jsclassname="CFCs.savePortal">
<script>
//error handler for CFC calls
errorHandler = function(statusCode,statusMsg) {
   alert(statusCode+': '+statusMsg)
}
//function that calls the CFC object
displayMessage = function(){
	thisVar=true;
	thatVar="Howdy";
	theOtherVar=2112;
	var Obj = new CFCs.savePortal();
		Obj.setErrorHandler(errorHandler);
		Obj.setCallbackHandler(function(res){alert(res);});
		Obj.save(thisVar,thatVar,theOtherVar);
}
</script>
</head>
<body>
<input type="button" value="Click me!" onclick="displayMessage()" >
</body>
</html>
 
 
saveportal.cfc
-----------------------------------------------------------
<cffunction name="save" returntype="boolean" access="remote">
	<cfargument name="thisVar" type="boolean" required="yes">
	<cfargument name="thatVar" type="string" required="Yes">
	<cfargument name="theOtherVar" type="numeric" required="Yes">
	<cffile action="write" addnewline="yes" file="c:\dave.txt" output="Page Hit" fixnewline="yes">
	<cfreturn true>
</cffunction>

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Internal Server error 500 - posting ajax request to coldfusion page

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Coldfusion v8, Ajax

ColdFusion Application Server

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