gistfile1.js

var [..]

tw.stream('statuses/filter', {track: 'JavaScript,html5,angularjs,d3js,webdev'}, function (stream) {
    stream.on('data', function (data) {
        // big chunk of code that somewhere causes an error
    });
    stream.on('error', function (data) {
        debugger;
        console.log('ERR', util.inspect(data));
    });
});