html5 - failed: Invalid UTF-8 sequence in header value, Tomcat server8 -

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i using tomcat 8.0 server websocket application. when try establish connection ws = new websocket(.....); throws following error: failed: invalid utf-8 sequence in header value

anybody has come around or knows how fix ??

ps using eclipse platform , chrome 33.0+ 

<html> <head> <meta http-equiv="content-type" content="text/html; charset=iso-8859-1"> <title>face detection</title>  <script     src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> </head> <body>      <div>         <video id="live" width="320" height="240" autoplay="autoplay"             style="display: inline;"></video>         <canvas width="320" id="canvas" height="240" style="display: inline;"></canvas>     </div>      <div>         <img id="target" style="display: inline;" />     </div>      <script type="text/javascript">         var video = $("#live").get()[0];         var canvas = $("#canvas");         var ctx = canvas.get()[0].getcontext('2d');         var options = {             "video" : true         };           var ws = new websocket("ws://localhost:8080/facedetection/livevideo");             ws.onopen = function () {                       console.log("openened connection websocket");             }              /**ws.onmessage = function(msg) {                 var target = document.getelementbyid("target");                 url = window.webkiturl.createobjecturl(msg.data);                 target.onload = function() {                     window.webkiturl.revokeobjecturl(url);                 };                 target.src = url;             }*/          // use chrome specific getusermedia function         navigator.webkitgetusermedia(options, function(stream) {             video.src = webkiturl.createobjecturl(stream);         }, function(err) {             console.log("unable video stream!")         })           timer = setinterval(             function () {                 ctx.drawimage(video, 0, 0, 320, 240);                 var data = canvas.get()[0].todataurl('image/jpeg', 1.0);                 newblob = datauritoblob(data);                 ws.send(newblob);             }, 150);      function datauritoblob(datauri) {                  var bytestring = atob(datauri.split(',')[1]);                  // separate out mime component                 var mimestring = datauri.split(',')[0].split(':')[1].split(';')[0]                  // write bytes of string arraybuffer                 var ab = new arraybuffer(bytestring.length);                 var ia = new uint8array(ab);                 (var = 0; < bytestring.length; i++) {                     ia[i] = bytestring.charcodeat(i);                 }              // write arraybuffer blob, , you're done             var bb = new blob([ab]);             //bb.append(ab);             return bb;         }      </script> </body> </html>

gettin error @ following line: var ws = new websocket("ws://localhost:8080/facedetection/livevideo");


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