var net = require('net');
var http = require('http');

var server = net.createServer(function(socket) {
  socket.write('HTTP/1.1 204 No Content\r\n\r\nNo Content');
}).listen(3000, function() {
  var req = http.get({port: 3000}, function(res) {
    console.log('got response', res.statusCode);
    res.on('end', function() {
      console.log('end response');
    });
    res.on('error', function(err) {
      console.log('could not catch here, because this response is ended', err);
    });
  });
  req.on('error', function(err) {
    console.log('could not catch here, because this request is ended', err);
  });
});

process.on('uncaughtException', function(err) {
  console.log('we can catch error here', err);
  server.close();
});