Loading captions

Everything loads up just not subtitles any reason why? jwplayer("playermjHxt2ExboEW").setup({playlist: [{image: "http://locahost/cometchat/plugins/filetransfer/download.php?file=HD.jpg",sources: [{file: "http://localhost:8082/test_vod/mp4:test.mp4/playlist.m3u8"}]}],width: "630",height: "360", autostart: "true",skin: "bekle", androidhls: true, fallback: "false",tracks: [{ file: "http://localhost/English.vtt", label: "English.vtt", kind: "captions", "default": true}] });