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I get this error whenever I call the netlify function. sometimes it works and sometimes not and I get this back

Request from ::ffff:127.0.0.1: GET /.netlify/functions/getS3URL?reqType=get Response with status 200 in 2919 ms.

C:.…AppData\Roaming\npm\node_modules\netlify-cli\node_modules\netlify-redirector\lib\redirects.js:1…

TypeError: res.writeHead is not a function at ProxyServer. (AppData\Roaming\npm\node_modules\netlify-cli\src\utils\proxy.js:318:9) at ProxyServer.emit (Roaming\npm\node_modules\netlify-cli\node_modules\eventemitter3\index.js:204:33) at Socket.onOutgoingError (AppData\Roaming\npm\node_modules\netlify-cli\node_modules\http-proxy\lib\http-proxy\passes\ws-incoming.js:157:16) at Socket.emit (node:events:525:35) at Socket.emit (node:domain:489:12) at emitErrorNT (node:internal/streams/destroy:157:8) at emitErrorCloseNT (node:internal/streams/destroy:122:3) at processTicksAndRejections (node:internal/process/task_queues:83:21)

api.service:

getS3URL(){
let queryParams = new HttpParams();
return this.http.get(${baseUrl}getS3URL,{ params: queryParams }).pipe();
}

In the component:

getS3URL() {
if (this.product.images[0]) {
this.api.getS3URL().subscribe({
next: (value: any) => { console.log('resp: ',value)}
, error: (err) => { console.log(‘error’, err) }
})
}
}

Netlify function:

import dotenv from ‘dotenv’
import aws from ‘aws-sdk’
import crypto from ‘crypto’
import { promisify } from “util”
import { Response } from ‘@netlify/functions/dist/function/response’
dotenv.config()
const randomBytes = promisify(crypto.randomBytes)
const region = “us-east-1”
const bucketName = “-----”
const accessKeyId = process.env[‘AWS_ACCESS_KEY_ID’]
const secretAccessKey = process.env[‘AWS_SECRET_ACCESS_KEY’]
const s3 = new aws.S3({
region,
accessKeyId,
secretAccessKey,
signatureVersion: ‘v4’
})
exports.handler = async (event: any, context: any, callback: any) => {
let resp: Response
let putURL: string = ‘’
try {
const rawBytes = await randomBytes(16)
const imageName = rawBytes.toString()
var params = { Bucket: bucketName, Key: imageName, Expires: 60 };
var promise = await s3.getSignedUrlPromise(‘putObject’, params).then(value=>putURL=value)
resp = {
statusCode: 200,
body: JSON.stringify({
URL:putURL
})
}
} catch (err: any) {
console.log(err.stack)
resp = {
statusCode: 400,
body: err.stack
};
}
return resp
}

I’m using in my project other netlify functions to do some other api requests and they are working just fine. Used versions: angular 14 netlify: 12.0.1 netlify-cli: 12.0.11

Thanks

James Benki
  • 1

0 Answers0