是heroku支持的dnode

当我尝试在heroku应用这个简单的节点应用程序时，我得到了错误:

no port or path provided

应用程序如下:

server.js

var express = require("express");
var app = express();
app.use(express.logger());
app.get('/', function(request, response) {
  response.send('Hello World!');
});
var port = process.env.PORT || 5000;
app.listen(port, function() {
  console.log("Listening on " + port);
});
var dnode = require('dnode');
var server = dnode({
    zing : function (n, cb) { cb(n * 100) }
});
server.listen(app);

这里是浏览器index.html

<html>
<head>
    <script src="/dnode.js" type="text/javascript"></script>
    <script type="text/javascript">
        window.onload = function () {
            DNode.connect(function (remote) {
                remote.zing(66, function (n) {
                    document.getElementById('result').innerHTML = n;
                });
            });
        };
    </script>
</head>
<body>
n = <span id="result">?</span>
</body>
</html>

then, heroku logs:

2013-05-28T18:38:55.246545+00:00 app[web.1]:         throw new Error('no port or path provided');
2013-05-28T18:38:55.249503+00:00 app[web.1]:     at D.dnode.listen (/app/node_modules/dnode/index.js:119:15)
2013-05-28T18:38:55.249503+00:00 app[web.1]:     at Object.<anonymous> (/app/app.js:20:8)
2013-05-28T18:38:55.246124+00:00 app[web.1]: /app/node_modules/dnode/index.js:119
2013-05-28T18:38:55.249503+00:00 app[web.1]:     at node.js:901:3
2013-05-28T18:38:55.249503+00:00 app[web.1]:     at Module._compile (module.js:456:26)
2013-05-28T18:38:55.249503+00:00 app[web.1]:     at Function.Module.runMain (module.js:497:10)
2013-05-28T18:38:55.246854+00:00 app[web.1]:               ^
2013-05-28T18:38:55.249503+00:00 app[web.1]:     at startup (node.js:119:16)
2013-05-28T18:38:55.249503+00:00 app[web.1]:     at Module.load (module.js:356:32)
2013-05-28T18:38:55.249503+00:00 app[web.1]: Error: no port or path provided
2013-05-28T18:38:55.249503+00:00 app[web.1]:     at Object.Module._extensions..js (module.js:474:10)
2013-05-28T
18:38:55.249503+00:00 app[web.1]:     at Function.Module._load (module.js:312:12)
2013-05-28T18:38:56.512438+00:00 heroku[web.1]: Process exited with status 8
2013-05-28T18:38:56.530982+00:00 heroku[web.1]: State changed from starting to crashed
2013-05-28T18:39:04.462914+00:00 heroku[web.1]: Stopping process with SIGKILL
2013-05-28T18:39:04.462914+00:00 heroku[web.1]: Error R99 (Platform error) -> Failed to launch the dyno within 10 seconds

有什么我错过了吗??

您正在使用旧版本的api (<1)。新版本只是一个流。查看当前的自述文件，了解如何将所有内容与新api一起管道化。

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