`ReactNoCrashSoftException: "Cannot find EventEmitter for receivedTouches"` warning in Android Native UI Component
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Nobody has claimed this yet.
Issue: Author Provided Repro
Needs: Author Feedback
Platform: Android
- Dominant language
- C++
- Stars
- 127k
- Forks
- 25.3k
- Avg merge
- 1d 23h
- Merged PRs (30d)
- 4
Description
Description
We are creating an Android Native UI Component consisting of ViewPager2 and RecyclerView.
When a touch occurs in RecyclerView, the following error occurs.
Steps to reproduce
- Run the project.
- Scroll through the thumbnail list.
React Native Version
0.75.3
Affected Platforms
Runtime - Android
Output of npx react-native info
System:
OS: macOS 14.1
CPU: (12) arm64 Apple M2 Pro
Memory: 96.50 MB / 32.00 GB
Shell:
version: "5.9"
path: /bin/zsh
Binaries:
Node:
version: 20.11.1
path: ~/.nvm/versions/node/v20.11.1/bin/node
Yarn: Not Found
npm:
version: 10.2.4
path: ~/.nvm/versions/node/v20.11.1/bin/npm
Watchman:
version: 2023.10.23.00
path: /usr/local/bin/watchman
Managers:
CocoaPods:
version: 1.14.3
path: /usr/local/bin/pod
SDKs:
iOS SDK:
Platforms:
- DriverKit 23.4
- iOS 17.4
- macOS 14.4
- tvOS 17.4
- visionOS 1.1
- watchOS 10.4
Android SDK: Not Found
IDEs:
Android Studio: 2024.1 AI-241.18034.62.2412.12266719
Xcode:
version: 15.3/15E204a
path: /usr/bin/xcodebuild
Languages:
Java:
version: 17.0.11
path: /usr/bin/javac
Ruby:
version: 2.6.10
path: /usr/bin/ruby
npmPackages:
"@react-native-community/cli": Not Found
react:
installed: 18.3.1
wanted: 18.3.1
react-native:
installed: 0.75.3
wanted: 0.75.3
react-native-macos: Not Found
npmGlobalPackages:
"*react-native*": Not Found
Android:
hermesEnabled: true
newArchEnabled: false
iOS:
hermesEnabled: Not found
newArchEnabled: false
Stacktrace or Logs
Unhandled SoftException
com.facebook.react.bridge.ReactNoCrashSoftException: Cannot find EventEmitter for receivedTouches: ReactTag[2131230852] UIManagerType[2] EventName[topTouchStart]
at com.facebook.react.uimanager.events.ReactEventEmitter.receiveTouches(ReactEventEmitter.java:102)
at com.facebook.react.uimanager.events.TouchEvent.dispatchModern(TouchEvent.kt:124)
at com.facebook.react.uimanager.events.EventDispatcherImpl$DispatchEventsRunnable.run(EventDispatcherImpl.java:376)
at android.os.Handler.handleCallback(Handler.java:958)
at android.os.Handler.dispatchMessage(Handler.java:99)
at com.facebook.react.bridge.queue.MessageQueueThreadHandler.dispatchMessage(MessageQueueThreadHandler.java:27)
at android.os.Looper.loopOnce(Looper.java:230)
at android.os.Looper.loop(Looper.java:319)
at com.facebook.react.bridge.queue.MessageQueueThreadImpl$4.run(MessageQueueThreadImpl.java:235)
at java.lang.Thread.run(Thread.java:1012)
Unhandled SoftException
com.facebook.react.bridge.ReactNoCrashSoftException: Cannot find EventEmitter for receivedTouches: ReactTag[2131230852] UIManagerType[2] EventName[topTouchMove]
at com.facebook.react.uimanager.events.ReactEventEmitter.receiveTouches(ReactEventEmitter.java:102)
at com.facebook.react.uimanager.events.TouchEvent.dispatchModern(TouchEvent.kt:124)
at com.facebook.react.uimanager.events.EventDispatcherImpl$DispatchEventsRunnable.run(EventDispatcherImpl.java:376)
at android.os.Handler.handleCallback(Handler.java:958)
at android.os.Handler.dispatchMessage(Handler.java:99)
at com.facebook.react.bridge.queue.MessageQueueThreadHandler.dispatchMessage(MessageQueueThreadHandler.java:27)
at android.os.Looper.loopOnce(Looper.java:230)
at android.os.Looper.loop(Looper.java:319)
at com.facebook.react.bridge.queue.MessageQueueThreadImpl$4.run(MessageQueueThreadImpl.java:235)
at java.lang.Thread.run(Thread.java:1012)
Unhandled SoftException
com.facebook.react.bridge.ReactNoCrashSoftException: Cannot find EventEmitter for receivedTouches: ReactTag[2131230852] UIManagerType[2] EventName[topTouchEnd]
at com.facebook.react.uimanager.events.ReactEventEmitter.receiveTouches(ReactEventEmitter.java:102)
at com.facebook.react.uimanager.events.TouchEvent.dispatchModern(TouchEvent.kt:124)
at com.facebook.react.uimanager.events.EventDispatcherImpl$DispatchEventsRunnable.run(EventDispatcherImpl.java:376)
at android.os.Handler.handleCallback(Handler.java:958)
at android.os.Handler.dispatchMessage(Handler.java:99)
at com.facebook.react.bridge.queue.MessageQueueThreadHandler.dispatchMessage(MessageQueueThreadHandler.java:27)
at android.os.Looper.loopOnce(Looper.java:230)
at android.os.Looper.loop(Looper.java:319)
at com.facebook.react.bridge.queue.MessageQueueThreadImpl$4.run(MessageQueueThreadImpl.java:235)
at java.lang.Thread.run(Thread.java:1012)
Reproducer
https://github.com/dekim1028/error
Screenshots and Videos
https://github.com/user-attachments/assets/86d636c7-4ecc-4666-a49e-208b88e701af
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Run the linked reproducer and scroll through its thumbnail list to confirm the warning. Start by tracing the reported path through ReactEventEmitter.java, TouchEvent.kt, and EventDispatcherImpl.java; done means the Android UI component no longer emits the reported receivedTouches warnings during scrolling.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- android, react-native
- Domain
- mobile
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 30/100