There's nothing wrong with the json itself, as you can see here http://jsbin.com/uwebe/edit
i'd take a guess that the content type of the result is all wrong, it should be: application/json text/plain works as well make sure it's not "text/html" or something else that the browser could interpret as something else On Nov 18, 8:32 am, sportfantasy <luca.santanie...@email.it> wrote: > Hi, > > I using ajax method with json dataType. > > My application run but mozilla js console print error message: > > Errore: non well-formed > ... > > My json string is: > > {"XMax":16.04849609375,"XMin":10.55533203125,"YMax":45.16953125,"YMin": > 39.6763671875} > > I generate it using json-lib for java language. > > Help me please. > > Thanks