[$250] iOS - Track expense - App crashes after deleting expense offline

[IuliiaHerets]

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Version Number: 9.0.25.11
Reproducible in staging?: Y
Reproducible in production?: N
Issue reported by: Applause Internal Team

Action Performed:

1. Open the app and log in
2. Navigate to self-DM
3. Tap + > Track expense > Manual
4. Create an expense
5. Disable the internet connection
6. Long tap the expense > Delete expense

Expected Result:

The expense is greyed out, the amount is crossed out

Actual Result:

The app crashes

Workaround:

Unknown

Platforms:

• Android: Native
• Android: mWeb Chrome
• iOS: Native
• iOS: mWeb Safari
• MacOS: Chrome / Safari
• MacOS: Desktop

Screenshots/Videos

Bug6585585_1724865546739.IMG_9404.mp4

2808.txt

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• Upwork Job URL: https://www.upwork.com/jobs/~013b920bb98479136b
• Upwork Job ID: 1828958726626801528
• Last Price Increase: 2024-08-29
• Automatic offers:
• jjcoffee | Contributor | 103818924

Issue Owner

Current Issue Owner: @jjcoffee

[melvin-bot]

Triggered auto assignment to @VictoriaExpensify (Bug), see https://stackoverflow.com/c/expensify/questions/14418 for more details. Please add this bug to a GH project, as outlined in the SO.

[IuliiaHerets]

We think that this bug might be related to #wave-collect - Release 1

[stitesExpensify]

Switching this to deployblockercash since this is iOS only

[melvin-bot]

Triggered auto assignment to @chiragsalian (DeployBlockerCash), see https://stackoverflowteams.com/c/expensify/questions/9980/ for more details.

[github-actions]

👋 Friendly reminder that deploy blockers are time-sensitive ⏱ issues! Check out the open `StagingDeployCash` deploy checklist to see the list of PRs included in this release, then work quickly to do one of the following:

1. Identify the pull request that introduced this issue and revert it.
2. Find someone who can quickly fix the issue.
3. Fix the issue yourself.

[melvin-bot]

Job added to Upwork: https://www.upwork.com/jobs/~013b920bb98479136b

[melvin-bot]

Triggered auto assignment to Contributor-plus team member for initial proposal review - @suneox (External)

[suneox]

This issue look like can not reproduce on the latest main due to context menu doesn't show delete option

Screen.Recording.2024-08-29.at.11.17.36.mp4

[NJ-2020]

@suneox I think you need to turn off the wifi before deleting the expense and if it still didn't work i think you can try using staging server

[NJ-2020]

Yes issue are not reproducible from both non-staging and staging server

[tsa321]

To test, should set the USE_REACT_STRICT_MODE to false to display the context menu properly.
I can reproduce the crash issue in main.

[chiragsalian]

Given this is an edge case and we're having a bit of a difficult time solving this immediately, we'll be demoting it to daily, removing blocker and requesting help with this.

[hannojg]

cc @kirillzyusko can you comment here so you can be assigned?

[kirillzyusko]

Sure, feel free to assign this on me 🙌

[suneox]

@kirillzyusko will work on this issue, so I’d like to self-unassign.​

[kirillzyusko]

Few things that I spotted:

• the crash happens because we are trying to unmount a component that already has been unmounted;
• the component that triggers a crash is Paragraph (i. e. Text)
• if I remove all Text elements in MoneyRequestPreviewContent component then crash goes away;
• if I clean-up the logic in OfflineWithFeedback:

<View style={style}>
    {!hideChildren && (
        children
    )}
    {shouldShowErrorMessages && (
        <ErrorMessageRow
            errors={errors}
            errorRowStyles={errorRowStyles}
            onClose={onClose}
            canDismissError={canDismissError}
        />
    )}
</View>

then crash also goes away.

I think the problem is hidden somewhere in this code:

<View
    style={[needsOpacity ? styles.offlineFeedback.pending : {}, contentContainerStyle]}
    needsOffscreenAlphaCompositing={shouldRenderOffscreen ? needsOpacity && needsOffscreenAlphaCompositing : undefined}
>

Because as soon as I remove it the crash is not happening anymore.

I'll continue my investigation tomorrow and hopefully will provide a fix!

[kirillzyusko]

I opened a PR with a fix here: #48474

[jjcoffee]

@chiragsalian Can you assign me here as I've been auto-assigned for reviewing the PR? Thanks! 🙏

[melvin-bot]

📣 @jjcoffee 🎉 An offer has been automatically sent to your Upwork account for the Contributor role 🎉 Thanks for contributing to the Expensify app!

Offer link
Upwork job
Please accept the offer and leave a comment on the Github issue letting us know when we can expect a PR to be ready for review 🧑‍💻
Keep in mind: Code of Conduct | Contributing 📖

[jjcoffee]

• The PR that introduced the bug has been identified. Link to the PR: N/A - not possible to determine
• The offending PR has been commented on, pointing out the bug it caused and why, so the author and reviewers can learn from the mistake. Link to comment: N/A
• A discussion in #expensify-bugs has been started about whether any other steps should be taken (e.g. updating the PR review checklist) in order to catch this type of bug sooner. Link to discussion: N/A
• Determine if we should create a regression test for this bug. Yes
• If we decide to create a regression test for the bug, please propose the regression test steps to ensure the same bug will not reach production again.

Regression Test Proposal

(Native mobile only)

1. Navigate to self-DM
2. Tap + > Track expense > Manual
3. Create an expense
4. Disable the internet connection
5. Long tap the expense > Delete expense
6. Verify that the app does not crash

Do we agree 👍 or 👎

[jjcoffee]

@VictoriaExpensify This was deployed Sept 12, so should be ready for payment now.

[jjcoffee]

@VictoriaExpensify Friendly bump for the payment on this. Thanks! 🙏

[VictoriaExpensify]

Payment summary:
Contributor: @kirillzyusko - agency
Contributor+: @jjcoffee paid $250 via Upwork