On Sun, Nov 18, 2012 at 7:02 PM, Érick Lavoie <erick.lav...@gmail.com> wrote:
> Hi,
>
> I am trying to update the server code while it is running. If my
> understanding is correct, I should first close the http server and once the
> close operation has been performed, I can create another HttpServer
> listening to the same port and host with the new code.
>
> However, on Node 0.8.14, closing the server inside a request, like in the
> following example:
>
> var http = require('http');
>
> server = http.createServer(function (req, res) {
> res.writeHead(200, {'Content-Type': 'text/plain'});
> res.end('Hello World\n');
> server.close();
> });
> server.listen(8080, function () {
> console.log('Server running at http://localhost:8080/');
> });
>
> throws the following exception:
>
> net.js:1046
> throw new Error('Not running');
> ^
> Error: Not running
> at Server.close (net.js:1046:11)
> at Server.<anonymous>
> (/Users/erick/Documents/UdeM/Recherche/distributed-js/hello.js:6:12)
> at Server.EventEmitter.emit (events.js:99:17)
> at HTTPParser.parser.onIncoming (http.js:1807:12)
> at HTTPParser.parserOnHeadersComplete [as onHeadersComplete]
> (http.js:111:23)
> at Socket.socket.ondata (http.js:1704:22)
> at TCP.onread (net.js:403:27)
>
> Surprisingly, closing the server in the listening callback does work. Is
> there a way to do it while processing a request or is there some policy
> preventing it from being done?
I wager you're testing it with a browser.
What happens is that you call server.close() twice because your
browser makes two requests, one for / and one for /favicon.ico. Make
the request with curl and you'll find that the server shuts down
gracefully.
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