Resolving the “spawnSync ./gradlew EACCES” Error When Running React Native Projects

Resolving the "spawnSync ./gradlew EACCES" Error When Running React Native Projects

17 December 2024 Stephan Petzl Leave a comment Tech-Help

When developing React Native applications, you may encounter the “spawnSync ./gradlew EACCES” error while attempting to run your project on an Android emulator. This issue is typically related to file permission settings that prevent the necessary scripts from executing properly. This guide will walk you through the steps to resolve this error efficiently.

Understanding the Error

The “spawnSync ./gradlew EACCES” error is a permission error that occurs because the Gradle wrapper script, gradlew, does not have the necessary execution permissions. Without these permissions, the script cannot be executed, leading to the error.

Solution: Adjusting File Permissions

To fix this error, you need to modify the permissions of the gradlew file. Follow these steps:

  1. Open your terminal and navigate to the root directory of your React Native project.
  2. Run the following command to update the file permissions:
    chmod 755 android/gradlew

    This command grants the user (owner) read, write, and execute permissions, and read and execute permissions to group and other users.

  3. Once the permissions are updated, you can proceed with running your application using:
    npx react-native run-android

Alternative Solutions

If the above solution does not resolve the issue, consider the following alternatives:

  • Use chmod +x android/gradlew to add execution permissions.
  • On systems requiring elevated permissions, prepend sudo to the command:
    sudo chmod 755 android/gradlew

Leveraging Automation with Repeato

Once your development environment is functioning smoothly, consider enhancing your workflow with automation tools like Repeato. Repeato is a no-code test automation tool that simplifies creating, running, and maintaining automated tests for your React Native apps. Its fast editing and execution capabilities are powered by computer vision and AI, making it an excellent choice for streamlining your testing process.

For more insights on React Native development, visit our blog for additional resources and best practices.

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