Source map file is missing debugId after upload

[rajatkantinandi]

OS:

• Windows
• MacOS
• Linux

Platform:

• iOS
• Android
• Web

SDK:

• @sentry/react-native (5.20.0)
• react-native-sentry (<= 0.43.2)

Expo SDK version: 50.0.17

react-native version: 0.73.6

@sentry/cli version: 2.31.2

Are you using Expo?

• Yes
• No

Are you using sentry.io or on-premise?

• sentry.io (SaaS)
• on-premise

If you are using sentry.io, please post a link to your issue so we can take a look:

Link to issue

Configuration:

(@sentry/react-native)

Sentry.init({
  dsn: 'https://...@sentry.io/...'
  environment: process.env.ENV,
  sendDefaultPii: false,
  ...(Platform.OS === 'web' ? { release: Constants.expoConfig?.version } : {}),
  beforeSend(event) {
      // docs.sentry.io/platforms/react-native/data-management/sensitive-data/#scrubbing-data
      if (event.contexts?.device?.name) {
        delete event.contexts.device.name;
      }

      return event;
    },
});

---

I have the following issue:

I am uploading sourcemaps after generating using expo command: expo export --source-maps --platform web.
Upload command:

cd dist && npx sentry-cli sourcemaps upload --org <org-name> --project <project-name> --release=<release> --dist=<environment> _expo/static/js/web/

Before and after upload I checked both the .js and .js.map file and both of them contains the same debugId.
But after uploading when I go to sentry release, I see that the .js file has the debugId but .js.map file does not have debugId. See the screenshot:

As a result, when an error happens on the frontend it show stack trace of minified code.

It also says: "No Source Map With Matching Debug ID"

I am not sure why the debug id is missing from the uploaded .map file but present before upload when I check it by opening the file.

Also, I saw in the documentation mentioning that the source map file should have a property debug_id but my source map file has a property debugId instead. Is that why this is happening? Do you know how the sourcemap will have debug_id instead of debugId?

Steps to reproduce:

• As described above.

Actual result:

Soucemap file is missing debugId and error shows minified code.

Expected result:

Soucemap file should have debugId and error should show the source code.

[krystofwoldrich]

Hi @rajatkantinandi,
you are correct the debugId and debug_id difference is the reason why the source map is missing the Debug ID.

You can use our built-in script for uploading Expo source maps which takes care of these differences.

https://docs.sentry.io/platforms/react-native/sourcemaps/uploading/expo/#upload-source-maps

SENTRY_PROJECT=android \
SENTRY_ORG=demo \
SENTRY_AUTH_TOKEN=Click to generate token \
npx sentry-expo-upload-sourcemaps dist

In case this has not helped, feel free to comment here and we can reopen the issue.

[rajatkantinandi]

Thanks for the response.
Looks like the script you mention internally does this:

    if (sourceMap.debugId) {
      sourceMap.debug_id = sourceMap.debugId;
    }

Any reason why it is implemented this way?
Also, running npx sentry-expo-upload-sourcemaps dist does not associate the build with a release. Is there a way to do that with that script?