Hot reloading error. (Unknown module "react-native")

Hot reloading is not working. #6722 was closed as a dup of #6640. #6640 was Unknown module "React", the error I am getting is "Unknown module "react-native"." I tried to debug, but this is day 1 for me with react, node etc.

If it truly is fixed, please explain how to used the fixed version. I am working with a first time fresh install of everything this morning to try react.

I saw this comment:

Should work now that we have released babel-preset-react-native@1.5.5. You'll have to upgrade from 1.5.4 to 1.5.5

As far as I can tell I am up to date using 1.5.5.

Thanks.

Having the same issue. Is there a way to disable hot reloading ?

@adrienbrault

@adrienbrault If you are on iOS device do ⌘ + D and click on Disable Hot Reloading

I'm not sure but for android I think it's ⌘ + M, if you are not on a mac try Control instead of ⌘

@adrienbrault

@adrienbrault Hot reloading should be an opt-in option. I too am having this problem with Hot Reloading, although on Android. However someone else I know on another project is having no problems at all, I fear it's something in the project itself that is causing the problems

+1

Same issue

@magrinj

@magrinj I don't have access to ⌘ + D menu since the app crash, is there another way to disable hot reload ?

@sylvainbaronnet

@sylvainbaronnet You can dismiss the error view with the button at the bottom left, after that try again with ⌘ + D, did you do that on an iOS simulator ?

Thanks !! It works again

@martinbigio

cc @martinbigio

Same error here. After many many try and errors I found that you should always use npm start -- --reset-cache when trying to "find" this issue.

Could reproduce this with a clean react-native init project without any additional dependency.

I found a local project that still works and created two npm-shrinkwrap files which shows that the problem doesn't happen with react 0.14.7 and happen with 0.14.8 (both times react-native 0.22.2).

You find both npm-shrinkwrap files and the npm install output after adding the "old" version and re-run it here: https://gist.github.com/jerolimov/85051d319b69ea6fe8dd24fa0f79f5f4

@cpojer

Hmm, mind trying with babel-preset-react-native@1.5.4. Looks like for some people we have problems resolved React and for other react-native.

@cpojer, @skevy has anything changed on node-haste that could explain this? This is where react-transform is configures to import React/react-native: https://github.com/facebook/react-native/blob/3a1634ec7b0dfa2b5d8890118565006d845e2039/babel-preset/configs/hmr.js#L28.

@davidaurelio

I haven't touched anything in node-haste for a while, might wanna ask @davidaurelio :)

react-native/Libraries/react-native/react-native.js

😂

The updated present is doing something different. I'm receiving now a tiny redbox in the upper left corner:

;)

The problem lies definitely in my app code.
Enabling hot reloading rendering only a simple view as follows works just fine.

     <View>
        <Text>
          Hello World
        </Text>
      </View>

I will try to find out how exactly I can reproduce this.

The issue persists for me, am using babel-preset-react-native@1.5.6.

@martinbigio

@martinbigio: Works for me after updating babel-preset-react-native with

npm install babel-preset-react-native@1.5.6

Thanks!

@pohy

@pohy as per your screenshot you're not using 1.5.6 because react-native was changed for the full path.

@gaearon

@gaearon this is only a temporary hack to fix the issue and unblock people. The underlying problem is not only affecting HMR but also assets, check #6638. We'll ask @davidaurelio to take a look next week when he comes back.

Interesting, npm ls babel-preset-react-native shows, that I have 1.5.6, and even after fully rebuilding the app, it still does fail with Requiring unknown module "react-native"...

make sure to reset the cache npm start -- --reset-cache

@pohy

@pohy: You could try to stop the gradle daemon (android/gradlew --stop works for me) and rebuild with react-native run-android.
Just an idea

@martinbigio

@martinbigio Yes, resetting cache helped, thanks for the help and sorry for the hassle!

Use full path for react-native on HMR config

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Hot reloading error. (Unknown module "react-native") #6731

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Hot reloading error. (Unknown module "react-native") #6731

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adrienbrault commented on Mar 30, 2016

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