All Questions
22 questions
2
votes
2
answers
7k
views
How to debug node process that exits unexpectedly with code 1, but no apparent error message, and unpredictably
I already have handlers for uncaughtException and unhandledRejection and I am thinking that this isn't a js error at all, as it happens at several different points in the code, and other times does ...
- 8,180
2
votes
1
answer
2k
views
see execution time of javascript code next to each call
Is it possible to see execution time like the image bellow, but in Node without the gibberish in vscode javascript debugger or without using the console.time('debug') and console.timeEnd('debug') ...
1
vote
1
answer
203
views
Are method entries and exits in NodeJS/V8 traceable through debugging APIs?
I'd like to know if it's possible to trace method entries and exits in NodeJS/V8.
Context
I know that NodeJS has some profiling options for Heap statistics and CPU usage.
However I'm not interested ...
- 1,131
0
votes
1
answer
475
views
Logging currently executing line of code in node
Is there a way to run a node script and log each executing line of code without modifying the script code?
For example, given a simple script.js file with this content:
const a = 1
const b = 2
a + b
...
- 1,196
8
votes
1
answer
3k
views
Specifications of V8 snapshot binaries / debugging
I stumbled with NW and it's ability to load "compiled javascript binary files". After further reading (first I thought that would be just some minified javascript) I discovered that the docs were ...
- 15.1k
0
votes
0
answers
195
views
How do I get the console to output in Chrome 60+ V8 debugger?
For instance:
When I press enter (after typing childLogger at the bottom) nothing happens. There's no output. There's no output in my terminal either. I'm used to being able to use the console to see ...
- 46.7k
2
votes
1
answer
121
views
Node.js stacktraces don't include user code
When debugging Node.js code I often encounter call stacks that do not include my program's code in them, only node_modules/non-user code, despite the current line of execution being at a location in ...
- 1,647
2
votes
1
answer
3k
views
Is there a way to get chrome-devtools (--inspect) to automatically detach from a process that has ended?
The process, as it is:
start code with --debug --inspect:
"debug": "node --max-old-space-size=8192 --debug=5567 --inspect dist/index.js",
Open devtools with url provided, something like:
chrome-...
- 46.7k
3
votes
2
answers
1k
views
Node.js: breakpoints in setInterval
I am debugging a node.js (Node version 6.2.1) program with setInterval() in it. The code is very simple:
const log = console.log;
let cnt = 0;
const inc = () => {
const beforeDebug = Date.now(...
- 5,141
0
votes
0
answers
343
views
Objects losing value after function return in node.js
I have some code that is structured like this for part of a routing application in node.js:
module.exports = function Router(){
var self = this;`
var ROUTES = {
"GET": {},
"...
1
vote
2
answers
541
views
Running and debugging node project in Eclipse
I want to run a node.js project locally and create a debugging session.
Normally, this would be accomplished by running "debug as" a node project in Eclipse.
However, when I run the debugging session, ...
- 101k
1
vote
1
answer
3k
views
How do I change the port in debug mode in Eclipse?
I am trying to debug a node.js project in Eclipse, running the code locally.
I choose "debug as node.js project", but I cannot seem to change the port from the default.
In other words I want to run ...
- 101k
2
votes
2
answers
2k
views
Nodeclipse debugger ignoring breakpoints
I'm using Nodeclipse 0.10 with nodemon, but when I try to debug my script it doesn't stop at any of my breakpoints. I've already seen this and this answer but it hasn't helped.
Occasionally, it will ...
- 2,124
0
votes
1
answer
71
views
Weird Bug in my Javascript Scope
I Have run across a weird bug, where an exported function completely ignores the passed parameter and instead generates its own parameter.
My code is as follows:
exports.returnThumbs = function(req, ...
- 278
0
votes
2
answers
329
views
V8 JavaScript stack trace, what do the trailing numbers mean?
Alright, so this might be a quick one... I am working in Node.js
I can't seem to figure out what do the trailing numbers in a stack trace mean.
at Function.findById (/home/.../node_modules/mongoose/...
- 2,435