Bug 222993 – REGRESSION (r274109?): Catalina Perf tests failing due to unexpected output

• Component: New Bugs
• Status: RESOLVED FIXED

[Robert Jenner]

It looks like the Catalina Perf is failing due to unexpected output 

Running 206 tests
Running Animation/balls.html (1 of 206)
error: Animation/balls.html
2021-03-08 17:09:25.226 com.apple.WebKit.WebContent.Development[63077:5238896] -[NSURL init] called; this results in an NSURL instance with an empty URL string. Please use one of the documented NSURL initialization methods instead (initWithString:, initFileURLWithPath:, etc.). This message shown only once.
2021-03-08 17:09:25.227 WebKitTestRunner[63073:5238814] -[NSURL init] called; this results in an NSURL instance with an empty URL string. Please use one of the documented NSURL initialization methods instead (initWithString:, initFileURLWithPath:, etc.). This message shown only once.

https://build.webkit.org/#/builders/20/builds/283/steps/9/logs/stdio

[Radar WebKit Bug Importer]

<rdar://problem/75235585>

[Robert Jenner]

This did not occur on a run with https://trac.webkit.org/changeset/274100/webkit. but it did with https://trac.webkit.org/changeset/274117/webkit

It appears related to
REGRESSION (r273541): Payloads requiring NSURL in serialization fail
https://bugs.webkit.org/show_bug.cgi?id=222856
https://trac.webkit.org/changeset/274109/webkit

[Ryan Haddad]

FWIW this output is showing up in stderr for some layout tests, too:
https://build.webkit.org/results/Apple-BigSur-Release-WK2-Tests/r274168%20(842)/results.html

[Brent Fulgham]

Created attachment 422782 [details]
Patch

[EWS]

Committed r274191: <https://commits.webkit.org/r274191>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 422782 [details].