Jsonp always returns syntax error

Jsonp always returns syntax error

When doing a jsonp ajax call, i always receive the following error:
 
Syntax Error
?jsonpcallback=jQuery164020868876727150054_1366217925230&_=1366217925270, line 1 character 1
 
Here is my call:

$.ajax({ url:

"http://www.yahoo.com?jsonpcallback=?" ,

dataType:

"jsonp",

type: 'get', 

processData: false,

crossDomain: true,

ContentType:

"application/json" ,

success: result

});

function result(data) {

$(

'#jCFSIContent' ).text(data.message);

}