Basic server that body is undefined

server.js

//nodejs v0.4.13-pre
//express 2.4.7

var express = require('express'),
    server  = express.createServer(
        express.bodyParser(),
        express.methodOverride()
    );

server.post('/', function(req, res) {
    console.log(req.body); //undefined
    res.send(req.body);
});

server.listen(8080);