运行react native 报错，java_home 的问题

Question

问题遇到的现象和发生背景

运行react native 报错，java_home 的问题

**ERROR: JAVA_HOME is set to an invalid directory: D:\vscode\JDK11\bin**

Please set the JAVA_HOME variable in your environment to match the
location of your Java installation.

error Failed to install the app. Make sure you have the Android development environment set up: https://reactnative.dev/docs/environment-setup.
Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081

    at makeError (D:\vscode\React-Native\MyProject\node_modules\@react-native-community\cli-platform-android\node_modules\execa\index.js:174:9)
    at D:\vscode\React-Native\MyProject\node_modules\@react-native-community\cli-platform-android\node_modules\execa\index.js:278:16
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
    at async runOnAllDevices (D:\vscode\React-Native\MyProject\node_modules\@react-native-community\cli-platform-android\build\commands\runAndroid\runOnAllDevices.js:109:5)  
    at async Command.handleAction (D:\vscode\React-Native\MyProject\node_modules\@react-native-community\cli\build\index.js:192:9)
info Run CLI with --verbose flag for more details.
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

Answer 1

**ERROR: JAVA_HOME is set to an invalid directory: D:\vscode\JDK11\bin**

根据这个错误来看，是你设置的这个路径无效。
正常情况下设置

C:\Program Files\Java\jdk1.8.0_152\bin

你先看看D:\vscode\JDK11\bin这个路径是否存在，路径下是否有java.exe，jdk是否完整