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我们在 android 和 iOS 上看到启动时发生的崩溃，这似乎与 scrollResonseHandleScroll 方法有关。看起来它非常随机，这就是我们无法重现它的原因，但它影响了我们的很多用户，并且每天都会发生。我们不确定这是我们这边的问题还是 react-native 的问题，但到目前为止，任何 react-native 更新都没有解决这个问题。我希望有人可以帮助我们。

这是我们看到的日志消息和堆栈之一：

Fatal Exception: com.facebook.react.common.JavascriptException
TypeError: undefined is not an object (evaluating 'n[0].section'), stack: onViewableItemsChanged@1616:8294 _onViewableItemsChanged@331:1909 value@317:3435 value@317:2836 <unknown>@270:22129 forEach@-1 value@270:22088 _onScroll@270:6507 scrollResponderHandleScroll@282:2289 scrollResponderHandleScroll@-1 _handleScroll@276:3286 p@95:384 b@95:527 T@95:581 w@95:876 ke@95:12621 _@95:2072 <unknown>@95:12968 xe@95:89207 Se@95:12419 Re@95:12808 receiveEvent@95:13217 value@40:3350 <unknown>@40:747 value@40:2610 value@40:719 value@-1

Fatal Exception: com.facebook.react.common.JavascriptException: TypeError: undefined is not an object (evaluating 'n[0].section'), stack:
onViewableItemsChanged@1616:8294
_onViewableItemsChanged@331:1909
value@317:3435
value@317:2836
<unknown>@270:22129
forEach@-1
value@270:22088
_onScroll@270:6507
scrollResponderHandleScroll@282:2289
scrollResponderHandleScroll@-1
_handleScroll@276:3286
p@95:384
b@95:527
T@95:581
w@95:876
ke@95:12621
_@95:2072
<unknown>@95:12968
xe@95:89207
Se@95:12419
Re@95:12808
receiveEvent@95:13217
value@40:3350
<unknown>@40:747
value@40:2610
value@40:719
value@-1

       at com.facebook.react.modules.core.ExceptionsManagerModule.reportException(ExceptionsManagerModule.java:83)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.facebook.react.bridge.JavaMethodWrapper.invoke(JavaMethodWrapper.java:372)
       at com.facebook.react.bridge.JavaModuleWrapper.invoke(JavaModuleWrapper.java:151)
       at com.facebook.react.bridge.queue.NativeRunnable.run(NativeRunnable.java)
       at android.os.Handler.handleCallback(Handler.java:900)
       at android.os.Handler.dispatchMessage(Handler.java:103)
       at com.facebook.react.bridge.queue.MessageQueueThreadHandler.dispatchMessage(MessageQueueThreadHandler.java:27)
       at android.os.Looper.loop(Looper.java:219)
       at com.facebook.react.bridge.queue.MessageQueueThreadImpl$4.run(MessageQueueThreadImpl.java:226)
       at java.lang.Thread.run(Thread.java:929)

如有必要，我非常乐意提供更多日志和设备信息。

React Native 版本信息：

System:
    OS: macOS 10.15.6
    CPU: (12) x64 Intel(R) Core(TM) i9-8950HK CPU @ 2.90GHz
    Memory: 1003.27 MB / 32.00 GB
    Shell: 5.8 - /usr/local/bin/zsh
  Binaries:
    Node: 14.7.0 - ~/.nvm/versions/node/v14.7.0/bin/node
    Yarn: 1.19.1 - ~/.yarn/bin/yarn
    npm: 6.14.7 - ~/.nvm/versions/node/v14.7.0/bin/npm
    Watchman: 4.9.0 - /usr/local/bin/watchman
  Managers:
    CocoaPods: 1.10.0. - /Users/benwunderlich/.rvm/gems/ruby-2.5.3/bin/pod
  SDKs:
    iOS SDK:
      Platforms: iOS 13.6, DriverKit 19.0, macOS 10.15, tvOS 13.4, watchOS 6.2
    Android SDK:
      API Levels: 23, 24, 27, 28, 29
      Build Tools: 28.0.2, 28.0.3, 29.0.2, 29.0.3
      System Images: android-24 | Google Play Intel x86 Atom, android-26 | Google APIs Intel x86 Atom, android-26 | Google Play Intel x86 Atom, android-27 | Google APIs Intel x86 Atom, android-28 | Google APIs Intel x86 Atom, android-28 | Google Play Intel x86 Atom, android-29 | Google Play Intel x86 Atom, android-R | Google APIs Intel x86 Atom, android-R | Google Play Intel x86 Atom
      Android NDK: Not Found
  IDEs:
    Android Studio: 4.0 AI-193.6911.18.40.6626763
    Xcode: 11.6/11E708 - /usr/bin/xcodebuild
  Languages:
    Java: 1.8.0_242-release - /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/javac
    Python: 3.7.0 - /Users/benwunderlich/.pyenv/shims/python
  npmPackages:
    @react-native-community/cli: Not Found
    react: 16.13.1 => 16.13.1 
    react-native: 0.63.2 => 0.63.2 
  npmGlobalPackages:
    *react-native*: Not Found

谢谢！

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