No script URL provided. Make sure the packager is running or you have embedded a JS bundle in your application bundle. unsanitizedScriptURLString = (null) #49245

TonyFTannous-Byd · 2025-02-07T08:51:22Z

Description

I upgrade my react native app from 0.76.6 to 0.77.0. The build has successfully but i have the following error in ios platform (android go well)

No script URL provided. Make sure the packager is running or you have embedded a JS bundle in your application bundle.

unsanitizedScriptURLString = (null)

Steps to reproduce

install the repo
npm install
cd ios && pod install
npm run start:clean
npm run android:local (it work no problem)
npm run ios:local it build successfully but during the launching app, the screen crash with the following error:
No script URL provided. Make sure the packager is running or you have embedded a JS bundle in your application bundle.
unsanitizedScriptURLString = (null)

React Native Version

0.77.0

Affected Platforms

Runtime - iOS

Output of `npx react-native info`

System:
  OS: macOS 14.5
  CPU: (8) arm64 Apple M1
  Memory: 111.05 MB / 16.00 GB
  Shell:
    version: "5.9"
    path: /bin/zsh
Binaries:
  Node:
    version: 20.18.1
    path: ~/.nvm/versions/node/v20.18.1/bin/node
  Yarn: Not Found
  npm:
    version: 10.9.2
    path: ~/Documents/AccuV-Team/IDP.Mobile/node_modules/.bin/npm
  Watchman:
    version: 2024.01.22.00
    path: /opt/homebrew/bin/watchman
Managers:
  CocoaPods:
    version: 1.15.2
    path: /opt/homebrew/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:
    API Levels:
      - "28"
      - "29"
      - "31"
      - "33"
      - "34"
      - "35"
    Build Tools:
      - 29.0.2
      - 30.0.2
      - 30.0.3
      - 31.0.0
      - 33.0.0
      - 33.0.2
      - 33.0.3
      - 34.0.0
      - 35.0.0
    System Images:
      - android-31 | Google APIs ARM 64 v8a
      - android-33 | Google APIs ARM 64 v8a
      - android-34 | Google APIs ARM 64 v8a
      - android-34 | Google Play ARM 64 v8a
      - android-35 | Google APIs ARM 64 v8a
      - android-35 | Google Play ARM 64 v8a
    Android NDK: Not Found
IDEs:
  Android Studio: 2024.2 AI-242.23339.11.2421.12700392
  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":
    installed: 15.0.1
    wanted: 15.0.1
  react:
    installed: 18.3.1
    wanted: 18.3.1
  react-native:
    installed: 0.77.0
    wanted: ^0.77.0
  react-native-macos: Not Found
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: true
  newArchEnabled: true
iOS:
  hermesEnabled: true
  newArchEnabled: true

Stacktrace or Logs

No script URL provided. Make sure the packager is running or you have embedded a JS bundle in your application bundle.

unsanitizedScriptURLString = (null)

Reproducer

https://github.com/TonyFTannous-Byd/repo

Screenshots and Videos

The text was updated successfully, but these errors were encountered:

cipolleschi · 2025-02-07T16:52:46Z

I just tried with these instructions:

npx @react-native-community/cli init TestMetroConnection --version latest --skip-install
cd TestMetroConnection
yarn install
cd ios
bundle install
bundle exec pod install
cd ..
yarn ios

This:

creates a new RN app on 0.77, using the most basic vanilla setup,
installs JS dependencies,
installs ruby gems
installs pods
build and run the ios app, while also starting metro.

This works. So the problem is not in React Native, but in one of the tools you are using in your app.

What are you using for development?
I saw Reactatron and a bunch of environment files. They might change the setup. It could also be that one of those tools are not compatible with the Swift AppDelegate, but we do not maintain them, so I can't help you with that.

Can you try to open an issue in the Reactatron repo, instead?

TonyFTannous-Byd · 2025-02-07T17:10:10Z

@cipolleschi
ok, i opened an issue in Reactotron (infinitered/reactotron#1539)

i know it work if i create a project from scratch. but i have a big application created already in react native 0.76.6, i upgrade it to 0.77.0. i remove AppDelegate.mm, AppDelegate.h and main.m and i replaced it by AppDelegate.swift (ios platform) as mention upgrade helper (https://react-native-community.github.io/upgrade-helper/)
after the upgrade complete android work properly, but ios has this issue
if i remove AppDelegate.swift and restore the objective C files AppDelegate.mm (with integration of RCTAppDependencyProvider) and AppDelegate.h and main.m IOS work again properly

gurbuzzomer · 2025-02-09T05:32:10Z

I am having the same problem with "react-native": "0.76.6" I don't fully understand the reason for the error, it sometimes occurs. To solve this, connect to the physical device with a cable and run "npx expo run ios --device " build again and you are at the place where you are installing it on my device.

note: @TonyFTannous-Byd I don't think reactotron is the cause of this error because I can't use it from the app

TonyFTannous-Byd · 2025-02-11T10:49:45Z

@gurbuzzomer
I believe my app includes libraries that contain modules written in C++, which prevents me from registering them in Swift as shown in the guide. My app works properly in React Native 0.76.6, but when I upgrade to 0.77—where switching AppDelegate from Objective-C to Swift is an option—I encounter issues. However, if I keep AppDelegate in Objective-C and implement RCTAppDependencyProvider, the app works properly.

cipolleschi · 2025-02-17T17:43:39Z

Yes, that could be the case. As mentioned in the blogpost and in the documentation:

If your app has some local modules that are written in C++, you would not be able to use the AppDelegate in Swift that we shipped in React Native 0.77.

You need to keep the Objective-C++ App Delegate

TonyFTannous-Byd · 2025-02-18T12:13:12Z

@cipolleschi

yes, and if you want to use swift file
(resolve by @OTitaev )

the problem is in DEBUG flag in AppDelegate.swift

override func bundleURL() -> URL? {
#if DEBUG
RCTBundleURLProvider.sharedSettings().jsBundleURL(forBundleRoot: "index")
#else
Bundle.main.url(forResource: "main", withExtension: "jsbundle")
#endif
}

You should add
SWIFT_ACTIVE_COMPILATION_CONDITIONS = "$(inherited) DEBUG";

Inside project.pbxproj in debug XCBuildConfiguration block

Should look like this

83CBBA201A601CBA00E9B192 /* Debug / = {
isa = XCBuildConfiguration;
buildSettings = {
ALWAYS_SEARCH_USER_PATHS = NO;
CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
CLANG_CXX_LANGUAGE_STANDARD = "c++20";
CLANG_CXX_LIBRARY = "libc++";
CLANG_ENABLE_MODULES = YES;
CLANG_ENABLE_OBJC_ARC = YES;
CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
CLANG_WARN_BOOL_CONVERSION = YES;
CLANG_WARN_COMMA = YES;
CLANG_WARN_CONSTANT_CONVERSION = YES;
CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
CLANG_WARN_EMPTY_BODY = YES;
CLANG_WARN_ENUM_CONVERSION = YES;
CLANG_WARN_INFINITE_RECURSION = YES;
CLANG_WARN_INT_CONVERSION = YES;
CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
CLANG_WARN_STRICT_PROTOTYPES = YES;
CLANG_WARN_SUSPICIOUS_MOVE = YES;
CLANG_WARN_UNREACHABLE_CODE = YES;
CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
"CODE_SIGN_IDENTITY[sdk=iphoneos]" = "iPhone Developer";
COPY_PHASE_STRIP = NO;
ENABLE_STRICT_OBJC_MSGSEND = YES;
ENABLE_TESTABILITY = YES;
"EXCLUDED_ARCHS[sdk=iphonesimulator*]" = "";
GCC_C_LANGUAGE_STANDARD = gnu99;
GCC_DYNAMIC_NO_PIC = NO;
GCC_NO_COMMON_BLOCKS = YES;
GCC_OPTIMIZATION_LEVEL = 0;
GCC_PREPROCESSOR_DEFINITIONS = (
"DEBUG=1",
"$(inherited)",
);
GCC_SYMBOLS_PRIVATE_EXTERN = NO;
GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
GCC_WARN_UNDECLARED_SELECTOR = YES;
GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
GCC_WARN_UNUSED_FUNCTION = YES;
GCC_WARN_UNUSED_VARIABLE = YES;
IPHONEOS_DEPLOYMENT_TARGET = 15.1;
LD_RUNPATH_SEARCH_PATHS = (
/usr/lib/swift,
"$(inherited)",
);
LIBRARY_SEARCH_PATHS = (
""$(SDKROOT)/usr/lib/swift"",
""$(TOOLCHAIN_DIR)/usr/lib/swift/$(PLATFORM_NAME)"",
""$(inherited)"",
);
MTL_ENABLE_DEBUG_INFO = YES;
ONLY_ACTIVE_ARCH = YES;
OTHER_CPLUSPLUSFLAGS = (
"$(OTHER_CFLAGS)",
"-DFOLLY_NO_CONFIG",
"-DFOLLY_MOBILE=1",
"-DFOLLY_USE_LIBCPP=1",
"-DFOLLY_CFG_NO_COROUTINES=1",
"-DFOLLY_HAVE_CLOCK_GETTIME=1",
);
OTHER_LDFLAGS = (
"$(inherited)",
" ",
);
REACT_NATIVE_PATH = "${PODS_ROOT}/../../node_modules/react-native";
SDKROOT = iphoneos;
SWIFT_ACTIVE_COMPILATION_CONDITIONS = "$(inherited) DEBUG";
USE_HERMES = true;
};
name = Debug;
};

cipolleschi · 2025-02-21T13:19:34Z

@TonyFTannous-Byd our Cocoapods scripts should inject that flag for you: https://github.com/facebook/react-native/blob/main/packages/react-native/scripts/react_native_pods.rb#L422

Make sure to call the react_native_post_install! function in your post_install hook as shown here: https://github.com/react-native-community/template/blob/main/template/ios/Podfile#L28-L33

TonyFTannous-Byd · 2025-02-21T15:05:10Z

@cipolleschi
i already called react_native_post_install in my Podfile/post_install hook. but not resolve the issue
check my example: https://github.com/TonyFTannous-Byd/repo/blob/main/ios/Podfile

without adding SWIFT_ACTIVE_COMPILATION_CONDITIONS = "$(inherited) DEBUG"; Inside project.pbxproj in debug XCBuildConfiguration block the issue will not resolved

elStranger · 2025-02-22T15:19:10Z

I have the same issue, anyone found how to fix this ?

Osamasomy · 2025-02-26T07:12:43Z

Exact same problem! any solution?

wuduwawawei · 2025-02-27T06:26:10Z

When the error occurs, the node server is not started, so you can try the following two methods:

Use the command

yarn react-native run-ios

Start the node server first, then build it with Xcode.

# Start node server
yarn react-native start

I think this problem should be solved by injecting a script. I will add more details after I understand the specific method.

anujkumar09062001 · 2025-03-02T13:46:55Z

Update your physical ios device software to latest version.

TonyFTannous-Byd · 2025-03-04T08:25:36Z

@anujkumar09062001
My device is updated, same issue.

TonyFTannous-Byd · 2025-03-04T11:13:22Z

@cipolleschi

Hello,

@TonyFTannous-Byd our Cocoapods scripts should inject that flag for you: https://github.com/facebook/react-native/blob/main/packages/react-native/scripts/react_native_pods.rb#L422

Make sure to call the react_native_post_install! function in your post_install hook as shown here: https://github.com/react-native-community/template/blob/main/template/ios/Podfile#L28-L33

i already called eact_native_post_install as you mention, still same issue.
but i thing the problem is from the multi-configuration i am used (Local.Debug, Local.Release, Dev.Debug, Dev.Release, Production.Debug, Production.Release)

i resolve it by set programatly SWIFT_ACTIVE_COMPILATION_CONDITIONS = "$(inherited) DEBUG";
Inside project.pbxproj in debug XCBuildConfiguration block

post_install do |installer|
    # https://github.com/facebook/react-native/blob/main/packages/react-native/scripts/react_native_pods.rb#L197-L202
    react_native_post_install(
      installer,
      config[:reactNativePath],
      :mac_catalyst_enabled => false,
      # :ccache_enabled => true
    )

    installer.aggregate_targets.each do |aggregate_target|
       project = aggregate_target.user_project

      project.build_configurations.each do |config|
          # Ensure this is only applied to Debug configurations
          if config.name.downcase.include?("debug")
            config.build_settings['SWIFT_ACTIVE_COMPILATION_CONDITIONS'] ||= '$(inherited) DEBUG'
         end
      end
      project.save
   end
  end

after that cd ios & pod install
and the issue resolved

TonyFTannous-Byd added the Needs: Triage 🔍 label Feb 7, 2025

react-native-bot added the 📦Bundler label Feb 7, 2025

TonyFTannous-Byd mentioned this issue Feb 7, 2025

Metro Bundle Does not start automatically when run the ios build #48554

Closed

cipolleschi closed this as completed Feb 7, 2025

wuduwawawei mentioned this issue Feb 27, 2025

No script URL provided. Make sure the packager is running or you have embedded a JS bundle in your application bundle. #49173

Closed

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No script URL provided. Make sure the packager is running or you have embedded a JS bundle in your application bundle. unsanitizedScriptURLString = (null) #49245

No script URL provided. Make sure the packager is running or you have embedded a JS bundle in your application bundle. unsanitizedScriptURLString = (null) #49245

TonyFTannous-Byd commented Feb 7, 2025 •

edited

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cipolleschi commented Feb 7, 2025

TonyFTannous-Byd commented Feb 7, 2025 •

edited

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gurbuzzomer commented Feb 9, 2025

TonyFTannous-Byd commented Feb 11, 2025

cipolleschi commented Feb 17, 2025

TonyFTannous-Byd commented Feb 18, 2025 •

edited

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cipolleschi commented Feb 21, 2025

TonyFTannous-Byd commented Feb 21, 2025

elStranger commented Feb 22, 2025

Osamasomy commented Feb 26, 2025

wuduwawawei commented Feb 27, 2025 •

edited

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anujkumar09062001 commented Mar 2, 2025

TonyFTannous-Byd commented Mar 4, 2025

TonyFTannous-Byd commented Mar 4, 2025 •

edited

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No script URL provided. Make sure the packager is running or you have embedded a JS bundle in your application bundle. unsanitizedScriptURLString = (null) #49245

No script URL provided. Make sure the packager is running or you have embedded a JS bundle in your application bundle. unsanitizedScriptURLString = (null) #49245

Comments

TonyFTannous-Byd commented Feb 7, 2025 • edited Loading

Description

Steps to reproduce

React Native Version

Affected Platforms

Output of npx react-native info

Stacktrace or Logs

Reproducer

Screenshots and Videos

cipolleschi commented Feb 7, 2025

TonyFTannous-Byd commented Feb 7, 2025 • edited Loading

gurbuzzomer commented Feb 9, 2025

TonyFTannous-Byd commented Feb 11, 2025

cipolleschi commented Feb 17, 2025

TonyFTannous-Byd commented Feb 18, 2025 • edited Loading

cipolleschi commented Feb 21, 2025

TonyFTannous-Byd commented Feb 21, 2025

elStranger commented Feb 22, 2025

Osamasomy commented Feb 26, 2025

wuduwawawei commented Feb 27, 2025 • edited Loading

anujkumar09062001 commented Mar 2, 2025

TonyFTannous-Byd commented Mar 4, 2025

TonyFTannous-Byd commented Mar 4, 2025 • edited Loading

TonyFTannous-Byd commented Feb 7, 2025 •

edited

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Output of `npx react-native info`

TonyFTannous-Byd commented Feb 7, 2025 •

edited

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TonyFTannous-Byd commented Feb 18, 2025 •

edited

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wuduwawawei commented Feb 27, 2025 •

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TonyFTannous-Byd commented Mar 4, 2025 •

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