Error: Ensure condition failed: IsInFailureContext() - Trying to emit a failure jump outside of a failure context!

General Issues and Bug Reporting
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1

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Verse

What Type of Bug are you experiencing?

Verse

Summary

For loops inside class instance constructors does not create a failure context - thus crashes UEFN if one is required.

Steps to Reproduce

test_class:=class:
    Arr: []int
#...
test_class{
    Arr := for(X:=0..1, true?){
        1
    }
}

Expected Result

This should work fine.

Observed Result

The expression inside the braces of for(X:=0..1, true?) leads to a crash, because Solaris does not create a failure context (even tho it should). Thus true? crashes UEFN.

[2024.01.20-17.24.32:467][359]LogOutputDevice: Error: === Handled ensure: ===
[2024.01.20-17.24.32:467][359]LogOutputDevice: Error: 
[2024.01.20-17.24.32:467][359]LogOutputDevice: Error: Ensure condition failed: IsInFailureContext()  [File:D:\build\++Fortnite\Sync\Engine\Restricted\NotForLicensees\Plugins\Solaris\Source\Solaris\Private\SolarisCodeGenerator.h] [Line: 398] 
[2024.01.20-17.24.32:467][359]LogOutputDevice: Error: Trying to emit a failure jump outside of a failure context!
[2024.01.20-17.24.32:467][359]LogOutputDevice: Error: Stack: 
...

Platform(s)

All

Feel free to hire me as QA :stuck_out_tongue:

2

UCB-1231 incident has been created. Status is ‘Awaiting Validation’.

3

Thanks for the report. I’ve reproduced and fixed the bug, although it will take some time for the fix to make it into a release.

1 Like