http server returns 400 status code for valid request on keepalive connection after an error was caught by a domain #24953

'use strict';

var ed = require('domain');
var http = require('http');

var count = 0;

var server = http.createServer(function(request, response) {
	var d = ed.createDomain();
	d.on('error', function() {
		console.log("request", count++);
		response.statusCode = 500;
		response.end();
	}); 
	
	d.enter();
	throw new Error("Something wrong happened.");
	d.exit();
});
server.listen(8092, "127.0.0.1", function() {
	console.log("connected");
});

# curl -v 'http://127.0.0.1:8092' 'http://127.0.0.1:8092'
* About to connect() to 127.0.0.1 port 8092 (#0)
*   Trying 127.0.0.1...
* Connected to 127.0.0.1 (127.0.0.1) port 8092 (#0)
> GET / HTTP/1.1
> User-Agent: curl/7.29.0
> Host: 127.0.0.1:8092
> Accept: */*
>
< HTTP/1.1 500 Internal Server Error
< Date: Tue, 11 Dec 2018 09:49:43 GMT
< Connection: keep-alive
< Content-Length: 0
<
* Connection #0 to host 127.0.0.1 left intact
* Found bundle for host 127.0.0.1: 0x2283ec0
* Re-using existing connection! (#0) with host 127.0.0.1
* Connected to 127.0.0.1 (127.0.0.1) port 8092 (#0)
> GET / HTTP/1.1
> User-Agent: curl/7.29.0
> Host: 127.0.0.1:8092
> Accept: */*
>
< HTTP/1.1 400 Bad Request
* no chunk, no close, no size. Assume close to signal end
<
* Closing connection 0