Node.js HTTP won't make connection with Unix Socket on Raspberry Pi

Question

So I have my Raspberry Pi currently running a unix socket with the library and if I make a simple get request in my browser like 10.0.0.200:2500 I get the response message I want (just a string of text). I also get the same result using PostMan so I KNOW the socket is working find.

The issue is when I am using Node.js to make this same request with

var options = {
  host: '10.0.0.200',
  port: 2500,
  path: '/'
};

http.get(options, function(res) {
  console.log("Got response: " + res.statusCode);
}).on('error', function(e) {
  console.log("Got error: " + e.message);
});

I keep getting a { [Error: Parse Error] bytesParsed: 0, code: 'HPE_INVALID_CONSTANT' } message in node

My socket is also showing

GET / HTTP/1.1
Host: 10.0.0.200:2500
Connection: close

So Idk why the conneciton is closed and I even tried sending a header with connection : keep-alive and that didn't help either

If you're specifying a host and port, you're not connecting over a unix socket, you're connecting over TCP. — mscdex
– mscdex, Commented Aug 7, 2016 at 8:24
Does the server app running on port 2500 return a proper HTTP response? If not, you don't want to use http, but net. — robertklep
– robertklep, Commented Aug 7, 2016 at 8:26
What is serving the responses? Is the source code available? Have you ran tcpdump to verify that the server is responding with a well-formed HTTP response? — mscdex
– mscdex, Commented Aug 7, 2016 at 8:27
@robertklep How would I used .net since I need to specify the IP, I am trying to connect from node on a different machine like I was with the other Get request — FrickeFresh
– FrickeFresh, Commented Aug 7, 2016 at 8:31

FrickeFresh · Accepted Answer · 2016-08-07 08:35:02Z

1

Thanks to @roberklep

I got it work using net.connect() and passing the options argument found here net.connect()

also another good source for example of use here

answered Aug 7, 2016 at 8:35

FrickeFresh

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1 Comment

m0tive Over a year ago

I had the same issue with another service. This helped me get net.connect() working. I also needed to write the correct HTTP request in the connect callback, following this example: github.com/nodejs/node-v0.x-archive/issues/…

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