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The "fd" argument must be of type number. Received null - Erroring in recent Node versions 20 and 21 #50979
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Activity
Can you share a minimal reproducible example without 3rd party libraries and a stacktrace?
Sure I'll create one in the next few hours. It was thrown in the dirty db implementation so it shouldn't be too hard to track that down.
@marco-ippolito Here is the example. I just put it into a test so I can easily start it from webstorm
import {describe, it} from "vitest"; import {TMP_PATH} from "./config"; import fs, {createWriteStream} from "fs"; describe('test-node-failure', () =>{ it('should allow .on load to chain to constructor', async function () { let path = "test.txt" let _writeStream = createWriteStream(path, { encoding: 'utf-8', flags: 'a', }); let _queue = new Map(); let key = 'key'; const cbs = _queue.get(key) || []; _queue.set(key, cbs); _writeStream.cork(); for (const [key, _] of _queue) { _queue.delete(key); const data = `${JSON.stringify({key, val: "test"})}\n`; _writeStream.write(data, (err) => { console.log(err) }); } _writeStream.uncork(); }); });
Stacktrace looks like this:
TypeError: The "fd" argument must be of type number. Received null at Object.write (node:fs:834:8) at WriteStream.writeAll (node:internal/fs/streams:418:13) at WriteStream._write (node:internal/fs/streams:477:12) at doWrite (node:internal/streams/writable:590:12) at clearBuffer (node:internal/streams/writable:773:7) at WriteStream.Writable.uncork (node:internal/streams/writable:523:7) at C:\Users\user\WebstormProjects\dirty_db\test\test-minimal.test.ts:25:22 at file:///C:/Users/user/WebstormProjects/dirty_db/node_modules/@vitest/runner/dist/index.js:135:14 at file:///C:/Users/user/WebstormProjects/dirty_db/node_modules/@vitest/runner/dist/index.js:58:26 at runTest (file:///C:/Users/user/WebstormProjects/dirty_db/node_modules/@vitest/runner/dist/index.js:663:17)- added a commit that references this issue
on Dec 7, 2023 - added a commit that references this issue
on Dec 15, 2023 - added a commit that references this issue
on Mar 25, 2024
Version
v21.2.0
Platform
Linux/MacOS/Windows - same error on all three platforms
Subsystem
No response
What steps will reproduce the bug?
git clone git@github.com:ether/ueberDB.git && git checkout fix/testsHow often does it reproduce? Is there a required condition?
Always
What is the expected behavior? Why is that the expected behavior?
It should run without a problem.
What do you see instead?
TypeError: The "fd" argument must be of type number. Received null
Additional information
No response