[Master Task] Print: Entry, ":CFBundleIdentifier", Does Not Exist
Problem
Please see #21303 to understand why you're running into this (_Edited by @hramos - the original issue text has been replaced with a description of the problem_) Description This issue describes a class of failures where the iOS build fails with the following output: [code block] This error message is a red herring as the problem is not actually caused by a missing `:CFBundleIdentifier` entry. What this output means is that your iOS project could not be built successfully. If you are encountering this issue, please try the following: 1. Upgrade to the latest React Native release. 2. Upgrade to the latest Xcode version. 3. Read through the Getting Started guide if you haven't in a while, and make sure your development environment is up to date. 4. Try building your project again. If none of these resolve your issue, please read through this thread to learn about what has worked for others. Please refrain from adding "me too" comments unless you have material information that contributes to others' solutions.
Error Output
error message is a red herring as the problem is not actually caused by a missing `:CFBundleIdentifier` entry. What this output means is that your iOS project could not be built successfully.
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1 Fix
Resolve iOS Build Failure Related to CFBundleIdentifier
The error message regarding ':CFBundleIdentifier' is misleading; the actual issue stems from an unsuccessful iOS project build, often due to outdated dependencies or misconfigurations in the development environment.
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- 1
Upgrade React Native
Ensure you are using the latest version of React Native to avoid compatibility issues. Run the following command to upgrade:
bashnpm install --save react-native@latest - 2
Upgrade Xcode
Check for updates to Xcode in the App Store or download the latest version from the Apple Developer website. This ensures compatibility with the latest iOS SDKs.
- 3
Update Development Environment
Review the Getting Started guide for React Native to ensure all tools and dependencies are up to date. This includes Node.js, Watchman, and any other required tools.
- 4
Clean Build Folder
Sometimes, residual files can cause build issues. Clean the build folder in Xcode by navigating to 'Product' > 'Clean Build Folder' or using the shortcut Shift + Command + K.
- 5
Rebuild the Project
After performing the above steps, attempt to rebuild your project in Xcode. This can be done by selecting 'Product' > 'Build' or using the shortcut Command + B.
Validation
To confirm the fix worked, check if the project builds successfully without the ':CFBundleIdentifier' error. Additionally, verify that the app runs on a simulator or device without issues.
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Environment
Submitted by
Alex Chen
2450 rep