Questions tagged [watchman]
Questions about the file watching service from Facebook
watchman
196
questions
617
votes
37
answers
572k
views
React Native Error: ENOSPC: System limit for number of file watchers reached
I have setup a new blank react native app.
After installing few node modules I got this error.
Running application on PGN518.
internal/fs/watchers.js:173
throw error;
^
Error: ENOSPC: System ...
- 14.7k
78
votes
19
answers
77k
views
Watchman crawl failed. Retrying once with node crawler
Watchman crawl failed. Retrying once with node crawler. Usually this
happens when watchman isn't running. Create an empty .watchmanconfig
file in your project's root folder or initialize a git or ...
- 874
47
votes
1
answer
39k
views
How to fix `error: invalid command 'bdist_wheel'`?
I try to install watchman on Ubuntu 20.04.01:
guettli@yoga15:~/tmp$ python3 -m venv pywatchman-test
guettli@yoga15:~/tmp$ cd pywatchman-test
guettli@yoga15:~/tmp/pywatchman-test$ . bin/activate
(...
- 27.7k
40
votes
8
answers
37k
views
Can't use Watchman: "Operation not permitted"
Since updating Watchman recently (with Homebrew) I can no longer use it to watch projects. I get
{
"version": "2022.05.30.00",
"error": "std::__1::...
- 47.6k
40
votes
10
answers
54k
views
How to install Watchman on Windows (win10)?
I am trying to install Watchman to my computer for npm for React Native. I opened the docs http://facebook.github.io/watchman/docs/install.html and can't understand how it should be done.
Could you ...
- 513
34
votes
1
answer
45k
views
what is the use of watchman for react native?
Can anybody describe clearly what the use of watchman available in npm library?
----Details I found---
npm - npm is the largest NodeJS package manager
NodeJS - Server-side Javascript runtime
...
- 1,067
25
votes
4
answers
12k
views
Can't find "Python.h" file while installing Watchman
I use Linux Mint 17 'Quiana' and I want to install Watchman to use later Ember.js. Here were my steps:
$ git clone https://github.com/facebook/watchman.git
then
$ cd watchman
$ ./autogen.sh
$ ./...
- 1,199
23
votes
10
answers
22k
views
Error when running watchman
When I run react-native start, I am getting the following message
Error: A non-recoverable condition has triggered. Watchman needs your help!
The triggering condition was at timestamp=1489123194: ...
- 1,993
22
votes
14
answers
41k
views
Why "Watchman crawl failed" error in react-native immediately after updating to macOS catalina?
Trying to run react-native run-ios or build RN project from xcode, as soon as metro bundler starts, this error appears in the terminal:
Loading dependency graph...jest-haste-map: Watchman crawl ...
- 2,242
19
votes
5
answers
11k
views
Serving Firebase Functions doesn't hot reload on Windows
Serving Firebase Functions locally with the firebase serve command is supposed to enable hot reloading but this doesn't seem to work on windows, even with watchman installed. Is there a better ...
- 8,565
18
votes
6
answers
10k
views
React Native STUCK starting packager
For some reason when I want to start my React Native project, it's stucks at 'Starting Packager...' part. I tried to delete the node packages, and reinstall them, intall them via yarn, npm, but no ...
- 1,675
17
votes
4
answers
11k
views
How to install facebook watchman on ubuntu?
I got watchman from github link https://github.com/facebook/watchman.git, then I got watchman folder and tried this
./autogen.sh
./autogen.sh: 9: ./autogen.sh: aclocal: not found
./autogen.sh: 10:...
- 2,259
17
votes
1
answer
12k
views
warning: Watchman `watch-project` returned a warning: Recrawled this watch X times, most recently because
warning: Watchman `watch-project` returned a warning: Recrawled this watch 11 times, most recently because:
MustScanSubDirs UserDroppedTo resolve, please review the information on
https://facebook....
- 34.4k
15
votes
2
answers
7k
views
Can't link pcre thru brew in max os yosemite
When I install watchman using brew install watchman, it got this Error: You must brew link pcre before watchman can be installed. So I try brew link pcre and brew link --overwrite pcre, I just got
...
- 786
14
votes
1
answer
18k
views
Homebrew Permissions for Watchman on Multi-user Mac
I have two users on my Macbook Pro running macOS Mojave 10.14.2 - one for work and one for personal.
I set up React Native on both users installing the react native cli & watchman:
brew install ...
- 1,946
10
votes
6
answers
11k
views
jest-haste-map: Watchman crawl failed. Retrying once with node crawler
I just found an error while running the metro of react native
it came after upgrading the os
the error was
jest-haste-map: Watchman crawl failed. Retrying once with node crawler.
Usually this ...
- 103
10
votes
10
answers
34k
views
Hot Reload not working in react-native android
I tried it on windows 10 and Ubuntu 16.04. In both cases the Hot Reload only works with changes in jsx, but not, when I change a variabel or function or something else in javascript. The Hot Reload is ...
- 243
10
votes
3
answers
14k
views
Watchpack Error (watcher): Error: ENOSPC: System limit for number of file watchers reached
This morning when running npm start, I get the error:
System limit for number of file watchers reached
Because /proc/sys/fs/inotify/max_user_watches has returned to its initial value (8192)
(How to ...
- 270
10
votes
2
answers
5k
views
Wrong version of Watchman. Version found: 2021.09.06.00 Version supported: 4.x
After expo eject I run npx @react-native-community/cli doctor
It shows
✖ Watchman - Used for watching changes in the filesystem when in development mode
Version found: 2021.09.06.00
Version supported:...
- 101
9
votes
2
answers
2k
views
Watchman Error with ember-cli
I am trying to follow the examples in Ember 101. I have worked through this code once before without any issue. After reinstalling my ubuntu 14.04 for unrelated reasons I am getting an error [see ...
- 2,299
9
votes
0
answers
2k
views
react native ios build take long time
React native project I build in Xcode, always stuck on "Running 2 of 4 custom shell script" and take nearly 5 min to continue. After that the bundling process in react packager also take very long ...
- 2,959
8
votes
2
answers
10k
views
watchman.plist permission denied when running a react-native initial project
I'm start using react-native and I followed the tutorials on the website, but when running the example project, it returned some error messages on the terminal:
Looking for JS files in
/Users/...
- 117
8
votes
3
answers
17k
views
React Native `npm start` with watchman error
I was first getting this issue: https://github.com/facebook/react-native/issues/10088
Then I followed this solution to resolve for that issue: https://github.com/facebook/react-native/issues/910#...
- 2,505
8
votes
1
answer
11k
views
Do I need to keep .watchmanconfig file in react-native project
default react native project generates .watchmanconfig file that is simply empty object {}, can I safely delete this?
A subquestion would be: is there any watchman configuration I can do / refference ...
- 45.7k
8
votes
1
answer
12k
views
Error when starting watchman
hi when i want to start my app with 'react-native start', i get this error. Somebody know what to do? I tried to change the permission of the watchman folder and the project folder to chmod -R 777 '...
- 2,005
7
votes
2
answers
15k
views
watchman warning in react native app running through expo
While running react native app using expo, I am getting this warning on watchman.
watchman warning: opendir(/Users/saashwath/Library/Caches/CloudKit/com.apple.Safari) -> Operation not permitted. ...
7
votes
2
answers
4k
views
How to watch react-native node_modules changes
When I run react-native start or npm start the packager starts and prompts to be Looking for JS files in /Users/map/repos/myrepo/
I've got Hot reloading enabled. When I change a file located within /...
- 4,594
7
votes
1
answer
2k
views
Configuring watchman in ember-cli
In my ember-cli app, .watchman config file, I've mentioned what directories to ignore while watching, like "ignore_dirs": ["tmp"]. Now I want to watch files in a directory which is outside my app ...
7
votes
3
answers
721
views
Watcher took too long time to load(NodeWatcher) - React Native
I am trying to run already built application in my mobile. When i start the app with "react-native start" code, it returns the following error message after some time
ERROR Watcher took too long to ...
- 1,642
7
votes
2
answers
2k
views
ember cli could not find watchman on ubuntu, there is only solution for mac not for ubuntu
ember -v
version: 2.3.0
Could not start watchman; falling back to NodeWatcher for file system events.
Visit http://www.ember-cli.com/user-guide/#watchman for more info.
node: 5.0.0
os: linux x64
...
- 477
7
votes
0
answers
2k
views
How can I resolve "Unable to talk to your watchman" errors
I created an issue with Facebook/react-native a couple of days ago, but I have yet to receive a response. In order to try to get me up and running I'm going to ask here as well. issue link
I checked ...
- 71
6
votes
1
answer
3k
views
FSEvents error when running create-react-native-app tests
I am getting the following errors when running yarn run test on a create-react-native-app:
$ yarn run test
yarn run v1.0.1
$ node node_modules/jest/bin/jest.js --watch
2017-09-13 14:53 node[2839] (...
- 1,025
6
votes
1
answer
2k
views
How can I direct output of watchman trigger to terminal on OS X instead of watchman log file
I am using the following line to watch a directory and run a script on changes:
watchman -- trigger my_directory runTransitionChecker '*' -- ruby ./my_script.rb
Everything works as I expect except ...
- 8,477
6
votes
0
answers
1k
views
cli : unable to talk to your watchman
I am new to React Native and I am trying to set up my development environment on Windows 8.1 as described in the official documentation.
But I have a problem
Steps :
react-native init ...
- 424
6
votes
0
answers
900
views
Watchman keep crashing when I developing react-native
OS:macOS 10.12.6
node -v 6.9.0 npm -v 3.10.8
watchman -v 4.9.0 installed via brew
create-react-native-app --version:1.0.
As I found, watchman fails to work after I change several files, although it ...
- 347
6
votes
0
answers
826
views
Expo watchman Hot reloading not detecting code change in Docker volume
We are currently building a react-native app with expo inside a Docker container. This Expo-app uses watchman to handle hot reloading.
Is there a polling mechanism which constantly polls the code in ...
- 79
5
votes
4
answers
10k
views
React-native Fast Refresh broken
recently my Fast Refresh stopped working across ALL of my react native projects, I have even tried init-ing a new project and it is not working there too
I have tried all the attempts below:
-. ...
- 5,266
5
votes
5
answers
11k
views
React-Native Failed to build DependencyGraph: Watchman error
I getting this error when I want to run my project on Android emulator.
[Hot Module Replacement] Server listening on /hot
React packager ready.
Failed to build DependencyGraph: Watchman error: ...
5
votes
4
answers
3k
views
Error received: "unable to resolve root". How to grant access to watchman?
I installed a react-native starter project and when running, it asked to grant permission to watchman to access my system's files. I naively declined, but now I get the following error whenever trying ...
- 634
5
votes
4
answers
2k
views
Installing watchman when having a non-standard homebrew install
I am using React Native which needs watchman. When running react-native run-ios, I see this error.
watchman --no-pretty get-sockname returned with exit code=1, signal=null,
stderr= 2017-05-05T08:17:...
- 5,039
5
votes
2
answers
2k
views
watchman: error while loading shared libraries: libpcre.so.1
I'm on Ubuntu 15.10 and I am developing an Android (SDK 23) app using react-native (0.20.0). I'm using node 5.6.0 and npm 3.6.0.
I encountered a watchman error when running react-native start
ERROR ...
- 53
5
votes
0
answers
1k
views
React Native javascript changes not reflecting in ios simulator
I'm building a React Native application, and the javascript code updates are not reflecting in the ios Simulator. I have restarted the development server with react-native start and react-native start ...
- 651
5
votes
0
answers
865
views
Watchman: failed to identify PDU: fill_buffer: EOF
I built a Android APP with React-Native. But when I run react-native run-android I got this error Watchman: failed to identify PDU: fill_buffer: EOF.
[3:42:00 PM] <END> Building Dependency ...
- 282
4
votes
4
answers
7k
views
Homebrew can't install Watchman: No similarly named formulae found | MacOS Big Sur
Homebrew error screen capture
Anybody know why my Homebrew can't install any packages and keep showing this error?
I've tried to install watchman but homebrew shows me this error, then I tried to ...
- 41
4
votes
1
answer
4k
views
ember CLI - "Could not find watchman, falling back to NodeWatcher for file system events installing"
While using ember CLI, I get this:
version: 0.1.5
Could not find watchman, falling back to NodeWatcher for file system events
I don't really care if it uses watchman or NodeWatcher ... - but I don't ...
- 8,994
4
votes
1
answer
1k
views
Cannot read property 'root' of null React Native iOS
I have been facing this issue since yesterday and am unable to resolve. I have gone through all github issues filed for react native and watchman, none helped to resolve the issue.
When I try to ...
- 13.5k
4
votes
2
answers
2k
views
when using Watchman's watch-make I want to access the name of the changed files
I am writing a watchman command with watchman-make and I'm at a loss when trying to access exactly what was changed in the directory. I want to run my upload.py script and inside the script I would ...
- 73
4
votes
1
answer
2k
views
"Error watching file for changes: EMFILE" when init a react-native project
I want to init a react-native project, and steps:
First react-native init testproject
then react-native run-ios
Error watching file for changes: EMFILE
{"code":"EMFILE","errno":"EMFILE","syscall":"...
- 61
4
votes
1
answer
2k
views
Problems trying to install watchman on xubuntu 22.10 (2 methods used- compling and using deb file)
I'm trying to set up my pc for some android app development with react native.
Following the react native docs, installing watchman is recommended: https://reactnative.dev/docs/environment-setup
I ...
- 53
4
votes
0
answers
5k
views
Installing watchman for Reach Native in Mac OS X Catalina
I'm having trouble getting the latest version of Watchman to install property on Mac OS X Catalina.
I am using Homebrew 2.2.1. I get this error when doing a clean install of brew install watchman.
==...
- 16.1k