Questions tagged [unhandled-promise-rejection]
84 questions
9
votes
3 answers
Can ESLint help you prevent Unhandled-Promise-Rejections?
Does eslint have any ability to warn about places to prevent Unhandled-Promise-Rejections?
Unhandled promise rejections are deprecated. In the future, promise
rejections that are not handled will terminate the Node.js process
with a non-zero exit…

Lonnie Best
- 9,936
- 10
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- 97
6
votes
0 answers
Why "unhandledrejection" can't caught an error from JSON.parse()?
I try to throw an error from JSON.parse(), and I expect the "unhandledrejection" event would catch it:
window.addEventListener('unhandledrejection', event => {
console.log('unhandledrejection:', event.reason?.message ||…

Coderbyte
- 61
- 1
4
votes
2 answers
How to resolve "Unhandled Promise Rejection: NotSupportedError: The operation is not supported." in Safari - Angular?
I'm getting the above error only in the Safari browser, which is not happening in my local machine to debug. I removed the minified version of the build while digging further and the error seems to be from Zone.js.
I'm unable to debug further and…

Balasubramani M
- 7,742
- 2
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- 47
3
votes
1 answer
How to disable react dev error panel which show 'Unhandled Rejection (Error):XXXXX'?
Unhandled Rejection (Error)
Unhandled Rejection (Error): User does not exist
(anonymous function)
src/service/index.ts:102
99 | if (customConfig.rawData) return res.data
100 | if (res.data.code != 0) {
101 | const message = res.data.msg ||…

Spray Lee
- 31
- 3
2
votes
1 answer
How to resolve the unhandled promise rejection? I am trying to write a automation test for microsoft login page, it re-directs to other origin
I am learning cypress automation tool and have knowledge about basic concepts. So I tried to automate the Microsoft outlook login page as like normal login page but I am getting an error of "unhandled promise rejection".
My code looks like…

Mr.Prasad J
- 75
- 7
2
votes
2 answers
Why are these promise rejections global?
We have a fairly complex code base in NodeJS that runs a lot of Promises synchronously. Some of them come from Firebase (firebase-admin), some from other Google Cloud libraries, some are local MongoDB requests. This code works mostly fine, millions…

Jonas Sourlier
- 13,684
- 16
- 77
- 148
2
votes
0 answers
Node throws unhandled promise rejection while using rejected promise as input parameter
I discovered a weird issue while trying to implement a function that awaits all promises of an array and catches all errors. This implementation led to a complete application crash caused by an unhandled promise rejection.
const completeAllPromises…

Patrick
- 67
- 1
- 9
2
votes
0 answers
Jest Fetch API call unit test - unhandledpromiserejection error
I have a fetch call and unit test for that fetch all. It was working, suddenly i see that unit test cases failed for API unit testing. Below is my code
React fetch call
export const getUser = async () => {
try {
const resp = await fetch(url);
…

DeDav
- 353
- 2
- 4
- 11
2
votes
0 answers
Process.on(unhandledRejection) log the actual promise instead of [Object Promise]
I feel there should be an easy answer to this I am missing. I rarely get unhandledRejections, however when I do, the reason from process.on('unhandledRejection', (reason, promise) => {...is not always enough to find the origination of the error. So…

ComicallyBad
- 31
- 5
2
votes
4 answers
Promise chain continues after rejection
I'm having trouble to properly catch an error/reject in a promise chain.
const p1 = () => {
return new Promise((resolve, reject) => {
console.log("P1");
resolve();
});
};
const p2 = () => {
return new Promise((resolve,…

Marc
- 2,920
- 3
- 14
- 30
2
votes
1 answer
How to resolve UnhandledPromiseRejectionWarning?
Hello and good day to you.
I have a problem. I can register a user, but when I log-in that user, it loads forever and displays an: "UnhandledPromiseRejectionWarning: ReferenceError: Invalid left-hand side in assignment"
So this is the content of my…

Star-Lord
- 73
- 1
- 8
2
votes
1 answer
Unhandled promise rejection | restart command
const { MessageEmbed, Guild } = require("discord.js");
const db = require('quick.db');
module.exports = {
config: {
name: "restart",
category: "moderation",
aliases: ["r"],
description: "restarts the bot",
…

1D8Dev
- 21
- 1
- 2
1
vote
1 answer
UnhandledPromiseRejection - sveltekit - +page.server.ts - load function
i add a load function in server side of sveltekit like this (+page.server.ts):
export const load: PageServerLoad = async ({ locals }) => {
const { data, error } = await locals.sb.auth.getSession()
if(data.session) {
throw…

Tymon tran
- 11
- 1
1
vote
0 answers
Printing in React-Native Expo
I am using expo and I want to convert a dynamic html into a pdf so that it can be printable.Here is my implementation
export const DynamicTable = () => { //my component
const { employeedata, business } = useContext(AuthContext); //some data i…

louis
- 422
- 1
- 4
- 14
1
vote
1 answer
Avoid uncaught exception when a promise gets rejected due to timeout?
I have a situation in my node.js program where I have an array of promises. I am prepared to wait a maximum of 200 ms for each promise in the array to get fulfilled, if it’s not fulfilled by then I want it to be rejected.
The code I have written for…

Petahanks
- 182
- 11