[Bug] Unbound Breakpoint #1456

leobragatti · 2020-11-10T17:09:52Z

🐛 What is the bug? How can we reproduce it?

I'm just trying to debug my app, but all breakpoints show the message "Unbound breakpoint"
I've already tried all the solutions I've saw on the internet, but still I have this problems

Expected behavior

When I start the debugger, it should stop on the breakpoints

Debug output

Debug Console


[Debug] Begin to activate...

[Debug] Extension version: 1.1.1

[Debug] Projects found: 1

[Debug] Add project: /home/leonardo/Programming/repos/JavaScript/fieldlink.react

[Debug] React Native version: 0.63.2

[Debug] 'react-native' package with value '^0.63.2' is found in 'dependencies' section of package.json

[Info] Starting Packager

[Debug] Executing command: /home/leonardo/Programming/repos/JavaScript/fieldlink.react/node_modules/.bin/react-native start --port 8081

                                                          
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            ##          ###    ###          ##            
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            ##           ##    ##           ##            
            ##         ###      ###         ##            
             ##  ########################  ##             
          ######    ###            ###    ######          
      ###     ##    ##              ##    ##     ###      
   ###         ## ###      ####      ### ##         ###   
  ##           ####      ########      ####           ##  
 ##             ###     ##########     ###             ## 
  ##           ####      ########      ####           ##  
   ###         ## ###      ####      ### ##         ###   
      ###     ##    ##              ##    ##     ###      
          ######    ###            ###    ######          
             ##  ########################  ##             
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               ######                ######               
                                                          
                 Welcome to React Native!
                Learn once, write anywhere


[Info] Packager started.

[Info] Prewarming bundle cache. This may take a while ...

[Info] About to get: http://localhost:8081/index.bundle?platform=android

[Tue Nov 10 2020 11:36:16.955]  BUNDLE  ./index.js 

[Warning] The Bundle Cache was prewarmed.

[Info] Building and running application.

[Info] Enable JS Debugging

[Info] Packager is already running.

info Starting custom debugger by executing:, echo A debugger is not needed:  "/files/Programming/repos/JavaScript/fieldlink.react"
[Tue Nov 10 2020 11:36:38.137]  BUNDLE  ./index.js 

[Tue Nov 10 2020 11:36:38.585]  MAP  ./index.js 

[Tue Nov 10 2020 11:36:41.959]  LOG      JavaScript logs will appear in your environment console

React Native output channel


PASTE OUTPUT OF REACT-NATIVE OUTPUT CHANNEL (View -> Toggle Output -> Select React-Native in ListBox)

Developer Tools console


TMScopeRegistry.ts:45 Overwriting grammar scope name to file mapping for scope source.yaml.
Old grammar file: file:///usr/share/code/resources/app/extensions/yaml/syntaxes/yaml.tmLanguage.json.
New grammar file: file:///home/leonardo/.vscode/extensions/redhat.vscode-yaml-0.12.0/syntaxes/yaml.tmLanguage.json
register @ TMScopeRegistry.ts:43
console.ts:137 [Extension Host] (node:249721) [DEP0005] DeprecationWarning: Buffer() is deprecated due to security and usability issues. Please use the Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() methods instead.
t.log @ console.ts:140
console.ts:137 [Extension Host] process Array(1)
log.ts:197   ERR loadedSources not supported: Error: loadedSources not supported
    at t.RawDebugSession.loadedSources (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:3336:860)
    at N.getLoadedSources (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:6207:316)
    at file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:7167:180
    at file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:7167:240
    at Array.forEach (<anonymous>)
    at V.renderBody (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:7167:131)
    at V.render (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:1035:770)
    at V.render (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:6942:800)
    at M.onDidAddViewDescriptors (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:6964:560)
    at file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:6959:377
    at c.fire (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:99:67)
    at b.onDidChangeContext (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:6355:152)
    at file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:6348:480
    at c.fire (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:99:67)
    at file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:94:782
    at t.PauseableEmitter.fire (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:99:67)
    at t.PauseableEmitter.resume (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:99:628)
    at _.bufferChangeEvents (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:1932:431)
    at t.ViewModel.setFocus (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:3342:724)
    at Y.focusStackFrame (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:6232:980)
    at Y.launchOrAttachToSession (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:6227:964)
    at async Y.doCreateSession (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:6226:616)
    at async Y.startDebugging (file:///usr/share/code/resources/app/out/vs/workbench/workbench.desktop.main.js:6223:924)
console.ts:137 [Extension Host] (node:249721) [DEP0022] DeprecationWarning: os.tmpDir() is deprecated. Use os.tmpdir() instead.
t.log @ console.ts:140

Environment

Please tell us about your system and your project:

npx react-native doctor or npx expo doctor if your project is using Expo:

Common
 ✓ Node.js
 ✓ npm

Android
 ✓ JDK
 ✓ Android Studio - Required for building and installing your app on Android
 ✓ Android SDK - Required for building and installing your app on Android
 ✓ ANDROID_HOME

Errors:   0
Warnings: 0
Common
 ✓ Node.js
 ✓ npm

Android
 ✓ JDK
 ✓ Android Studio - Required for building and installing your app on Android
 ✓ Android SDK - Required for building and installing your app on Android
 ✓ ANDROID_HOME

Errors:   0
Warnings: 0

envinfo:

  System:
    OS: Linux 5.4 Ubuntu 20.04.1 LTS (Focal Fossa)
    CPU: (4) x64 Intel(R) Core(TM) i7-7500U CPU @ 2.70GHz
    Memory: 4.00 GB / 15.54 GB
    Container: Yes
    Shell: 5.8 - /usr/bin/zsh
  Binaries:
    Node: 14.15.0 - /usr/bin/node
    npm: 6.14.8 - /usr/local/bin/npm
  Managers:
    Apt: 2.0.2 - /usr/bin/apt
    RubyGems: 3.1.2 - /usr/bin/gem
  Utilities:
    Make: 4.2.1 - /usr/bin/make
    GCC: 9.3.0 - /usr/bin/gcc
    Git: 2.25.1 - /usr/bin/git
    Mercurial: 5.3.1 - /usr/bin/hg
  Virtualization:
    Docker: 19.03.13 - /usr/bin/docker
  SDKs:
    Android SDK:
      API Levels: 26, 28, 29
      Build Tools: 28.0.3, 29.0.2, 29.0.3, 30.0.0, 30.0.0
      System Images: android-26 | Google Play Intel x86 Atom, android-28 | Google Play Intel x86 Atom, android-29 | Google APIs Intel x86 Atom, android-29 | Google Play Intel x86 Atom
  IDEs:
    Android Studio: 4.1 AI-201.8743.12.41.6858069
    Nano: 4.8 - /usr/bin/nano
    VSCode: 1.51.0 - /usr/bin/code
    Vim: 8.1 - /usr/bin/vim
  Languages:
    Bash: 5.0.17 - /usr/bin/bash
    Java: 14.0.1 - /usr/bin/javac
    Perl: 5.30.0 - /usr/bin/perl
    Python: 2.7.18 - /usr/bin/python
    Python3: 3.8.5 - /usr/bin/python3
    Ruby: 2.7.0 - /usr/bin/ruby
  Databases:
    SQLite: 3.32.2 - /files/Programming/Android/platform-tools/sqlite3
  Browsers:
    Firefox: 82.0.3

React Native Tools extension version: v1.1.1

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

SounD120 · 2020-11-11T08:37:16Z

Hi @leobragatti and thanks for reaching us. Could you please add more information about your project?

Does this project use Expo?
Which version of React Native is used in your application?
Can you please provide screenshots of breakpoints marked as unbound?

Also it will be great if you can provide a minimal demo application in which this issue is reproduced.

leobragatti · 2020-11-11T09:42:02Z

Hi @SounD120, thanks for the reply!
1.Does this project use Expo?
No

Which version of React Native is used in your application?
0.63.2

Can you please provide screenshots of breakpoints marked as unbound?

My current app now is complex, but I'll try to do a minimal app to reproduce this

SounD120 · 2020-11-11T09:47:29Z

@leobragatti Does this issue reproduce on React Native Tools v1.1.0? You can install it by using right click on the extension and selecting Install another version... as pointed on the screenshot below.

leobragatti · 2020-11-11T09:53:11Z

@SounD120 yes, the problem persists on React Native Tools v1.1.0

SounD120 · 2020-11-11T10:20:28Z

@leobragatti Could you please execute your debugging scenario with "trace": "verbose" argument in launch.json and attach here outputs from React Native Chrome Proxy output channel and debug console?

leobragatti · 2020-11-11T10:28:50Z

@SounD120 Here's the output
output.log

SounD120 · 2020-11-11T13:03:26Z

@leobragatti I inspected the logs and I don't even see any logs connected to the Login.js file. There are no commands that should place a breakpoint in this file, but I found an error about the require cycle that possibly might cause this. Did you put the breakpoint in the Login.js file when verbose logs are recorded?

Here is the exact error that I found:

"Require cycle: src/Screens/Common/NewAccount/index.js -> src/Screens/Common/NewAccount/NewAccount.js -> src/Screens/Common/AccountCreated/index.js -> src/Screens/Common/AccountCreated/AccountCreated.js -> src/Screens/Auth/Login/index.js -> src/Screens/Auth/Login/Login.js -> src/Screens/Common/NewAccount/index.js\n\nRequire cycles are allowed, but can result in uninitialized values. Consider refactoring to remove the need for a cycle."

leobragatti · 2020-11-11T14:18:21Z

@SounD120 I'll check it out and let you know. Thanks for the help!

leobragatti · 2020-11-11T14:28:17Z

@SounD120 Just to let you know, I tried to debug using WebStorm IDE and worked fine

SounD120 · 2020-11-11T14:30:42Z

@leobragatti Which version of VS Code do you use?

leobragatti · 2020-11-11T14:31:46Z

@SounD120

SounD120 · 2020-11-12T12:53:36Z

@leobragatti Basically this looks like a sourcemap problem.
This issue is also looks similar: microsoft/vscode-js-debug#845.
React Native Tools debugger uses https://github.com/microsoft/vscode-js-debug under the hood, so if it causes the problem it should be fixed there.
Could you please share your index.map file from the .vscode/.react folder? If it might content senstive data - please send it to my work email v-yuskor@microsoft.com.

SounD120 · 2020-11-13T07:19:54Z

@leobragatti Can you please also share your debug scenario configuration from launch.json? Where is the .react folder in your project?

leobragatti · 2020-11-13T10:30:33Z

@SounD120 Here's the launch.json:

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Debug Android",
            "cwd": "${workspaceFolder}",
            "type": "reactnative",
            "request": "launch",
            "platform": "android",
            "trace": "verbose"
        },
        {
            "name": "Debug iOS",
            "cwd": "${workspaceFolder}",
            "type": "reactnative",
            "request": "launch",
            "platform": "ios"
        }
    ]
}

And here's how my folder structure:

SounD120 · 2020-11-13T10:49:23Z

@leobragatti I think I found the reason of problems with breakpoints. For some reason the path to the source file look incorrectly, for example for

Login.js -> "../../../../../../../../files/Programming/repos/JavaScript/<appname>/src/Screens/Auth/Login/Login.js"

This path is constructed relatively from <projectRoot>/.vscode/.react/index.map file.
It seems that there are unnecessary hierarchy climbs in the relative paths. I am starting to investigate what possibly might cause this.

SounD120 · 2020-11-16T11:39:08Z

@leobragatti Could you please try to replace .react in the name of your app to _react? I am suspecting that might be the core of the problem.

leobragatti · 2020-11-16T15:32:19Z

@SounD120 By that, you mean just rename the folder?

SounD120 · 2020-11-17T07:00:07Z

@leobragatti Yes, and after that try to debug your app.

leobragatti · 2020-11-17T10:33:50Z

@SounD120 still not working :(

Any more suggestions?

SounD120 · 2020-11-17T13:21:53Z

@leobragatti This problem will be faster to find with a repro demo, so could you please send us one? This will be very helpful, since this doesn't reproduce on basic template apps.

leobragatti · 2020-11-17T19:07:07Z

@SounD120 I've invited you to a repo to be able to reproduce the problem. I've noticed one thing: When I have . in the folder name, the breakpoints doesn't work. But if replace . with - on the name, it works fine

SounD120 · 2020-11-18T08:39:00Z

@leobragatti We have tested both versions of folder names with . and with - and they both work without problem on Windows 10, Linux and macOS. So, maybe we missed some repro steps? How does this reproduce in your case? Where you place breakpoints and when?

leobragatti · 2020-11-18T09:56:39Z

@SounD120 I've placed the breakpoint in the same line as you:

SounD120 · 2020-11-18T12:14:35Z

Hi @leobragatti. It seems that something goes wrong when the extension tries to transform your absolute paths to source file to relative for sourcemaps. In order to check this I prepared patched version of the extension which will write debug logs from this place in file.

So could you please do the following:

Remove your currently installed React Native Tools and fully relaunch VS Code.
Unzip and install the updated extension via VSIX(Extensions tab in VS Code -> ... -> Install from VSIX): vscode-react-native-1.1.1.zip
Launch debugging on your app in case when breakpoints doesn't work
Launch debugging on your app in case when breakpoints does work
Go to ~/.vscode/extensions/msjsdiag.vscode-react-native-1.1.1/dist and find debug.log file in there.
Attach this file to issue, or send it to my email v-yuskor@microsoft.com

Please take into account that this compiled VSIX version is for debugging purposes only, so after the test it is recommended to remove it, relaunch VS Code and install the extension from the Marketplace.

leobragatti · 2020-11-18T14:54:05Z

@SounD120 I've found the problem. I was using a symbolic link to the repo. When I started using the real path to the folder, the debugger worked. Really weird situation, though, because I have a lot of folders which are just symbolic links and don't have any problem with that

SounD120 · 2020-11-18T15:03:15Z

@leobragatti Really weird situation 😕 . I think we'll investigate the extension behavior with respect to the symbolic links and update the documentation to avoid such issues in future.

leobragatti · 2020-11-18T15:35:13Z

@SounD120 thanks so much for the help and attention!

leobragatti added the bug label Nov 10, 2020

SounD120 added need-more-info need-repro labels Nov 11, 2020

SounD120 added the investigating label Nov 11, 2020

SounD120 added configuration 📚 documentation and removed need-more-info need-repro labels Nov 18, 2020

SounD120 mentioned this issue Nov 19, 2020

Add mention for symbolic links in Linux and sourcemaps #1459

Merged

SounD120 closed this as completed in #1459 Nov 19, 2020

SounD120 added linux debugger question and removed investigating bug labels Nov 19, 2020

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[Bug] Unbound Breakpoint #1456

[Bug] Unbound Breakpoint #1456

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leobragatti commented Nov 18, 2020

[Bug] Unbound Breakpoint #1456

[Bug] Unbound Breakpoint #1456

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leobragatti commented Nov 10, 2020

🐛 What is the bug? How can we reproduce it?

Expected behavior

Debug output

Environment

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