File Not Found Reason- function onInitFs(fs) { fs.root.getFile("productinfo.xml", {}, function(fileEntry) { fileEntry.file(function(file) { var reader = new FileReader(); reader.onloadend = function(e) { . . . }; reader.readAsText(file); }, errorHandler); }, errorHandler); } window.requestFileSystem(window.TEMPORARY, 1024*1024, onInitFs, errorHandler);