I am sending the directories then i got some wierd problem

Question

This is my code:-

const express = require("express");

const app = express();

app.get("/", function (req,res) {
   res.send("<h1>Hello World</h1>");
   res.send(__dirname + '\\index.html');
});
    
app.listen(3000, function () {
   console.log("Server is running on port 3000");
   
});

I was expecting to run code properly and the file properly send to given location

Welcome to Stack overflow - it's a great platform. Unfortunately this question is too generic, please make it more specific and update the title. — jburtondev, Apr 04 '23 at 07:37
[Please do not upload images of code/errors when asking a question.](//meta.stackoverflow.com/q/285551) — seenukarthi, Apr 04 '23 at 07:39
You are calling `res.send` twice but you cannot send two responses for one request. Remove the first `res.send` call and you should be fine. — Palladium02, Apr 04 '23 at 07:39
Does this answer your question? [Error: Can't set headers after they are sent to the client](https://stackoverflow.com/questions/7042340/error-cant-set-headers-after-they-are-sent-to-the-client) — seenukarthi, Apr 04 '23 at 07:40
@MonsterSkull What exactly did you try? Is the error the same or did it change? — Palladium02, Apr 04 '23 at 08:07
like Palladium02 said, remove the `res.send("
Hello World
");` — djolf, Apr 04 '23 at 08:25
@MonsterSkull you have 2 `.send` methods but you can only send 1 response — Aleksandar, Apr 04 '23 at 08:26

score 0 · Answer 1 · answered Apr 04 '23 at 10:16

Try removing the first res.send line

res.send("<h1>Hello World</h1>");

because the .send method sends an argument value, already held in memory, back to the browser, and you can't reply (send a response) to the same request twice. The error is generated for the second send and is worded "Cannot set headers after they are sent to the client".

Then change the second send to

res.sendFile(__dirname + '\\index.html');

to have Express read the index file and send it to the client using the sendFile method.

I recommend looking up and reading Express documentation when in doubt - take the link, select "response" in the left hand column and scroll down for res.send and res.sendFile entries.

I am sending the directories then i got some wierd problem

Hello World

1 Answers1