Metro Bundler immediately closes after react-native run-android #484

thecodrr · 2019-07-05T14:04:42Z

Environment

System:
    OS: Windows 10
    CPU: (8) x64 Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
    Memory: 8.99 GB / 15.89 GB
  Binaries:
    Node: 10.16.0 - C:\Program Files\nodejs\node.EXE
    Yarn: 1.16.0 - C:\Program Files (x86)\Yarn\bin\yarn.CMD
    npm: 6.9.0 - C:\Program Files\nodejs\npm.CMD
  SDKs:
    Android SDK:
      Android NDK: 18.1.5063045
  IDEs:
    Android Studio: Version  3.3.0.0 AI-182.5107.16.33.5264788

react-native-cli: 2.0.1
react-native: 0.60.0

Description

Doing yarn react-native run-android opens the metro bundler but it immediately closes. Don't know if its a bug with the cli or the metro itself. This only happens on Windows, I think.

Things I have tried:

Restarting my system
Clearing cache etc.

Reproducible Demo

Create a new project using react-native init
Run yarn react-native run-android

The text was updated successfully, but these errors were encountered:

thymikee · 2019-07-05T14:24:53Z

We'll need help debugging what's causing this. What does it mean that "it closes"? Can you share more details?

thecodrr · 2019-07-05T14:27:50Z

@thymikee well I can't see the error on it as it only blinks. How can I debug it?

Edit: after looking really closely, the Metro Bundler window is completely empty when it closes, so no error there.

thymikee · 2019-07-05T14:30:13Z

Can you post a video? :D Set up some console.logs in commands/server/runServer.js

thecodrr · 2019-07-05T14:52:16Z

@thymikee runServer gives nothing so it's not even getting there.

thymikee · 2019-07-05T14:56:16Z

Btw, does running yarn react-native start works without issues? If so, check files related to this diff: #310

thecodrr · 2019-07-05T14:56:35Z

Running launchPackager.bat directly gives this error:
error: unknown option --projectRoot'`

thecodrr · 2019-07-05T15:03:11Z

Doing yarn react-native start gives me the console.logs I had set so I am guessing, runServer is getting called in that case.

thecodrr · 2019-07-05T15:04:27Z

Running node .\node_modules\react-native\cli.js --projectRoot also gives this error:
error: unknown option `--projectRoot'

thymikee · 2019-07-05T15:05:12Z

Yea, because we removed this option. It's not necessary now. Can you remove it from https://github.com/facebook/react-native/blob/master/scripts/launchPackager.bat and see if that works?

thecodrr · 2019-07-05T15:06:24Z

@thymikee yup. Working without a hitch.

thymikee · 2019-07-05T15:07:23Z

Yea, can you send a PR to RN? The patch release make take a while (cc @kelset). I think we should own these files, but that may be a bit bigger change.

thecodrr · 2019-07-05T15:08:00Z

@thymikee okay, I will do that.

zenz · 2019-07-05T15:09:42Z

removing node_modules/react-native/scripts/launchPackager.bat then even the splash window of Metro Bundler will not show, of course it's not running.

thymikee · 2019-07-05T15:11:05Z

@zenz it's not about rmeoving the file, but doing this diff:

-node "%~dp0..\cli.js" --projectRoot ../../../ start
+node "%~dp0..\cli.js" start

zenz · 2019-07-05T15:12:33Z

@thymikee oops... yes, it's working now.

thecodrr · 2019-07-05T15:12:55Z

@thymikee can't we ship a temporary fix with the cli until RN releases the fix?

thymikee · 2019-07-05T15:13:54Z

If you'd like to contribute this then of yea. I don't have too much bandwidth currently, just trying to be helpful.

zenz · 2019-07-05T15:18:42Z

It seems that another problem raised after modify this launchPackager.bat file. Metro Bundler tells me there's no index file
Error: Unable to resolve module ./indexfromC:\Users\zenz\programs\test_app\node_modules\react-native\scripts/.: The module ./indexcould not be found fromC:\Users\zenz\programs\test_app\node_modules\react-native\scripts/.. Indeed, none of these files exist:
But using react-native start to start the Metro Bundler is working correctly.

victorwpbastos · 2019-07-05T15:21:15Z

@zenz same here. I changed lanchPackager.bat, Metro bundler shows up, but with this error.

victorwpbastos · 2019-07-05T15:22:12Z

Maybe projectRoot parameter is necessary after all.

zenz · 2019-07-05T15:22:22Z

modify it like this, solves the problem:

@echo off
title Metro Bundler
call .packager.bat
cd ../../../
node "%~dp0..\cli.js" start
pause
exit

hard coding it to swith to root directory.

thymikee · 2019-07-05T15:24:59Z

I think that makes sense, this is similar to what Linux script does: https://github.com/facebook/react-native/blob/master/scripts/launchPackager.command

thecodrr · 2019-07-05T15:26:57Z

@thymikee should I add it to the PR?

thymikee · 2019-07-05T15:27:31Z

Let's make sure it works as intended, and then yes

JindalPrashant · 2019-11-15T18:39:51Z

I was using node 12.13.0 and facing the same issue. Now I downgraded it to 10.15.0 and metro bundle is running without fail.

JindalPrashant · 2019-11-15T18:40:44Z

@naderabdalghani I suppose you use Node >=12.5, please downgrade to 12.4. See #485 (comment)

It worked for me. Thanks

rbalaga · 2019-11-20T16:28:00Z

@naderabdalghani I suppose you use Node >=12.5, please downgrade to 12.4. See #485 (comment)

It worked for me. Thanks

Thanks It worked for me. running 13.1.0 not worked. downgraded to 12.4.0 and it worked. :)

gBusato · 2019-11-23T09:54:49Z

I also downgraded to 12.4.0 and it worked

If you are using chocolatey on windows

choco uninstall nodejs
then
choco install nodejs --version 12.4.0

pjunior94 · 2019-11-23T13:02:04Z

Same here, downgrading node from v12.13.1 to 12.4.0 to work

hosseinalipour · 2019-11-28T11:19:14Z

I have the same issue with version 3.0.4, which is the latest right now, should I open a new issue?

feliperugai · 2019-12-03T17:33:37Z

I also downgraded to 12.4.0 and it worked

If you are using chocolatey on windows

choco uninstall nodejs
then
choco install nodejs --version 12.4.0

Confirmed that it's working aswell.

samdsg · 2020-01-01T16:57:43Z

@zenz it's not about rmeoving the file, but doing this diff:
-node "%~dp0..\cli.js" --projectRoot ../../../ start
+node "%~dp0..\cli.js" start

where can i find the file to modify

Pk1631037 · 2020-01-05T14:30:57Z

nodemodules/react-native/scripts/launchPackager.bat

cvallejoec · 2020-01-14T00:00:48Z

Actually, this work for me.
expo/expo-cli#1074 (comment)

MAsad-Nawaz · 2020-02-04T04:52:43Z

Environment
System:
    OS: Windows 10
    CPU: (8) x64 Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
    Memory: 8.99 GB / 15.89 GB
  Binaries:
    Node: 10.16.0 - C:\Program Files\nodejs\node.EXE
    Yarn: 1.16.0 - C:\Program Files (x86)\Yarn\bin\yarn.CMD
    npm: 6.9.0 - C:\Program Files\nodejs\npm.CMD
  SDKs:
    Android SDK:
      Android NDK: 18.1.5063045
  IDEs:
    Android Studio: Version  3.3.0.0 AI-182.5107.16.33.5264788
react-native-cli: 2.0.1
react-native: 0.60.0
Description

Doing yarn react-native run-android opens the metro bundler but it immediately closes. Don't know if its a bug with the cli or the metro itself. This only happens on Windows, I think.

Things I have tried:

Restarting my system

Clearing cache etc.

Reproducible Demo

Create a new project using react-native init

Run yarn react-native run-android

Open Your Project Folder in IDE like Visual Studio Code etc

Click on node_modules folder

Click on metro-config folder

Click on src folder

Click on default folder

Open blacklist.js file and replace the following code
var sharedBlacklist = [ /node_modules[/\\]react[/\\]dist[/\\].*/, /website\/node_modules\/.*/, /heapCapture\/bundle\.js/, /.*\/__tests__\/.*/ ];
With
var sharedBlacklist = [ /node_modules[\/\\]react[\/\\]dist[\/\\].*/, /website\/node_modules\/.*/, /heapCapture\/bundle\.js/, /.*\/__tests__\/.*/ ];

aamir-munir · 2020-05-19T08:43:53Z

guys any other solution?
I tried everything but my bundler close immediately and unable to run the app. it was working fine but I just reinstall window and below is the configuration:

System:
OS: Windows 10
Binaries:
Node: 12.4.0
npm: 6.9.0
react-native-cli: 2.0.1
react-native: 0.58.3

I really need this fix. Any quick help would appreciate it

netgfx · 2020-10-28T07:18:02Z

What is the status of this? I'm still experiencing this error, the metro bundle closing with running react-native run-android on node 12.9.1

whatdtech · 2020-10-31T09:18:29Z

In my case I intentionally uninstalled app from emulator and faced the issue. Tried all options but changing app name is the best option. Else reinstall android studio with a new emulator.

whatdtech · 2020-10-31T09:20:23Z

Try changing app name in app.Json, build.gradle, AndroidManifest.xml in both debug and main folders

engineerbaraazakariya · 2020-12-09T18:31:27Z

In mac env I also had the same issue and the solution was:
brew install nvm && brew unlink node && nvm install v10.23.0 && nvm use v10.23.0 && nvm alias default v10.23.0
then react-native run-android worked like a charm no single error.

charleston10 · 2021-06-22T18:22:47Z

Environment
System:
    OS: Windows 10
    CPU: (8) x64 Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
    Memory: 8.99 GB / 15.89 GB
  Binaries:
    Node: 10.16.0 - C:\Program Files\nodejs\node.EXE
    Yarn: 1.16.0 - C:\Program Files (x86)\Yarn\bin\yarn.CMD
    npm: 6.9.0 - C:\Program Files\nodejs\npm.CMD
  SDKs:
    Android SDK:
      Android NDK: 18.1.5063045
  IDEs:
    Android Studio: Version  3.3.0.0 AI-182.5107.16.33.5264788
react-native-cli: 2.0.1
react-native: 0.60.0
Description

Doing yarn react-native run-android opens the metro bundler but it immediately closes. Don't know if its a bug with the cli or the metro itself. This only happens on Windows, I think.
Things I have tried:

Restarting my system

Clearing cache etc.

Reproducible Demo

Create a new project using react-native init

Run yarn react-native run-android
Open Your Project Folder in IDE like Visual Studio Code etc

Click on node_modules folder

Click on metro-config folder

Click on src folder

Click on default folder

Open blacklist.js file and replace the following code
var sharedBlacklist = [ /node_modules[/\\]react[/\\]dist[/\\].*/, /website\/node_modules\/.*/, /heapCapture\/bundle\.js/, /.*\/__tests__\/.*/ ];
With
var sharedBlacklist = [ /node_modules[\/\\]react[\/\\]dist[\/\\].*/, /website\/node_modules\/.*/, /heapCapture\/bundle\.js/, /.*\/__tests__\/.*/ ];

I'm using node v16.3.0 and this adjustment you posted made it work.. tks

paulwongx · 2021-08-26T01:24:56Z

For me it was because I had "type": "module" in my package.json

ZECTBynmo · 2021-10-25T18:59:46Z

I was having this issue but wasn't able to resolve it with any of the earlier solutions. In the end it turned out my computer had a process binding the default port. Running with a custom port worked great until I restarted, then things were back to normal.

npx react-native run-android --port 8283 (random port)

cparello · 2021-11-05T18:40:32Z

i always this same problem and the error is usually some file in node_modules was unavailable, if i just continue to press play from android studio it eventually works but sometimes it takes up to 10 tries. any ideas ?

netgfx · 2021-11-05T20:47:45Z

@cparello Switch to Flutter for 100% guaranteed builds, Android and iOS, every single time!

I got bored to fight the compiler, did the switch and never looked back!

SourceCipher · 2022-07-14T17:05:47Z

How is this still an issue? Its such a waste of time to compile the code from like 15th time because the metro keeps exiting when the build is at 95-99%. I updated the package but not fixed, tried various fixes from the comments above - nothing.

jmmwangi007 · 2022-08-09T08:35:52Z

I'm not too sure if this is the correct solution but opening an new console and running

npx react-native start

works for me.

khadeshyam · 2023-01-30T13:37:43Z

I had the same issue.The Metro runs on port 8081.But something else running was running on the port.I resolved by killing that process.refer https://reactnative.dev/docs/troubleshooting for more info

MattNic2 · 2023-07-20T00:59:28Z

Was a permanent fix ever found for this problem, I'm still experiencing it.
RN version : 0.71.8
RN CLI version: 2.0.1

szymonrybczak · 2023-07-20T05:46:26Z

Hey @MattNic2, mind upgarding to the latest version of RN? We fixed few things around starting packager in run-android.

bertdida · 2023-08-10T15:35:09Z

For me, quitting the Docker solves my issue.

thecodrr added the bug Something isn't working label Jul 5, 2019

thecodrr mentioned this issue Jul 5, 2019

Autolinking fails on Windows #470

Closed

thymikee added the platform: windows label Jul 5, 2019

thymikee added the help wanted label Jul 5, 2019

thymikee mentioned this issue Jul 5, 2019

Metro Bundler Not Working on 0.60 facebook/react-native#25509

Closed

thecodrr mentioned this issue Jul 5, 2019

Remove unnecessary flag when running JS server facebook/react-native#25517

Closed

thymikee added env: windows and removed platform: windows labels Oct 16, 2019

chrisglein mentioned this issue Mar 11, 2020

Not seeing metro bundler start up after executing npx react-native run-ios facebook/react-native#28281

Closed

Metro Bundler immediately closes after react-native run-android #484

Metro Bundler immediately closes after react-native run-android #484

Comments

thecodrr commented Jul 5, 2019

Environment

Description

Reproducible Demo

thymikee commented Jul 5, 2019

thecodrr commented Jul 5, 2019 • edited

thymikee commented Jul 5, 2019

thecodrr commented Jul 5, 2019

thymikee commented Jul 5, 2019

thecodrr commented Jul 5, 2019

thecodrr commented Jul 5, 2019

thecodrr commented Jul 5, 2019

thymikee commented Jul 5, 2019

thecodrr commented Jul 5, 2019

thymikee commented Jul 5, 2019

thecodrr commented Jul 5, 2019

zenz commented Jul 5, 2019

thymikee commented Jul 5, 2019

zenz commented Jul 5, 2019

thecodrr commented Jul 5, 2019

thymikee commented Jul 5, 2019

zenz commented Jul 5, 2019

victorwpbastos commented Jul 5, 2019

victorwpbastos commented Jul 5, 2019

zenz commented Jul 5, 2019 • edited

thymikee commented Jul 5, 2019

thecodrr commented Jul 5, 2019

thymikee commented Jul 5, 2019

JindalPrashant commented Nov 15, 2019

JindalPrashant commented Nov 15, 2019 • edited

rbalaga commented Nov 20, 2019

gBusato commented Nov 23, 2019

pjunior94 commented Nov 23, 2019

hosseinalipour commented Nov 28, 2019

feliperugai commented Dec 3, 2019

samdsg commented Jan 1, 2020

Pk1631037 commented Jan 5, 2020

cvallejoec commented Jan 14, 2020

MAsad-Nawaz commented Feb 4, 2020

Environment

Description

Reproducible Demo

aamir-munir commented May 19, 2020

netgfx commented Oct 28, 2020

whatdtech commented Oct 31, 2020

whatdtech commented Oct 31, 2020

engineerbaraazakariya commented Dec 9, 2020

charleston10 commented Jun 22, 2021

Environment

Description

Reproducible Demo

paulwongx commented Aug 26, 2021

ZECTBynmo commented Oct 25, 2021

cparello commented Nov 5, 2021

netgfx commented Nov 5, 2021

SourceCipher commented Jul 14, 2022 • edited

jmmwangi007 commented Aug 9, 2022

khadeshyam commented Jan 30, 2023

MattNic2 commented Jul 20, 2023

szymonrybczak commented Jul 20, 2023

bertdida commented Aug 10, 2023

thecodrr commented Jul 5, 2019 •

edited

zenz commented Jul 5, 2019 •

edited

JindalPrashant commented Nov 15, 2019 •

edited

SourceCipher commented Jul 14, 2022 •

edited