“错误:套接字挂断"与快递 [英] "Error: socket hang up" with Express

问题描述

当客户端刷新同时仍在加载页面时，节点会不断退出(因此套接字被终止，而我仍在处理请求).错误:

Node keeps quitting on me when a client refreshes while still loading a page (so the socket gets terminated, while I am still processing the request). The error:

[ERROR] - Error: socket hang up
   at createHangUpError (http.js:1472:15)
   at Socket.socketCloseListener (http.js:1522:23)
   at Socket.EventEmitter.emit (events.js:95:17)
   at TCP.close (net.js:465:12) (at lib/Maintenance.js:38)

我尝试将 on('error', ... 附加到:

1. req 对象
2. listen的返回值(我用的是Express)
3. 我的 get、use 和 post 方法的返回值.

1. req objects
2. The return value of listen (I am using Express)
3. The return value of my get, use and post methods.

然而，我似乎无法捕捉到那个错误；它仍然被抛出，我的错误处理程序都没有反应.我可能会遗漏什么?

And yet, I cannot seem to catch that error; it still gets thrown and none of my error handlers react. What could I possibly be missing?

推荐答案

将错误侦听器附加到套接字对象

Attach error listeners to the socket objects

app.use(function(req, res, next) {
    req.socket.on("error", function() {

    });
    res.socket.on("error", function() {

    });
    next();
});

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