[ruby-core:113173] [Ruby master Bug#19570] `Exception#full_message` raises an `EncodingError` if the exception contains UTF8 characters after a newline and `Exception#cause` contains UTF8 characters
From:
"nobu (Nobuyoshi Nakada) via ruby-core" <ruby-core@...>
Date:
2023-04-10 06:26:35 UTC
List:
ruby-core #113173
Issue #19570 has been updated by nobu (Nobuyoshi Nakada).
https://github.com/ruby/ruby/pull/7681
----------------------------------------
Bug #19570: `Exception#full_message` raises an `EncodingError` if the excep=
tion contains UTF8 characters after a newline and `Exception#cause` contain=
s UTF8 characters
https://bugs.ruby-lang.org/issues/19570#change-102710
* Author: timothy.willard (Timothy Willard)
* Status: Open
* Priority: Normal
* ruby -v: 3.2.1
* Backport: 2.7: DONTNEED, 3.0: DONTNEED, 3.1: DONTNEED, 3.2: UNKNOWN
----------------------------------------
```
e =3D begin
begin
raise "=DCbersicht"
rescue =3D> e
raise "\n#{e.message}"
end
rescue =3D> e
e
end
e.full_message
```
will reproduce the error with the exception `incompatible character encodin=
gs: ASCII-8BIT and UTF-8 (Encoding::CompatibilityError)`.=20
In this case, all of `e.message`, `e.cause.message` and `e.cause.detailed_m=
essage` have a UTF-8 encoding, but `e.detailed_message` has an ASCII-8BIT e=
ncoding. I think the issue is related to [this](https://github.com/ruby/rub=
y/blob/31819e82c88c6f8ecfaeb162519bfa26a14b21fd/eval_error.c#L158) line (po=
ssibly caused by the encoding differences between `write_warn2` used [here]=
(https://github.com/ruby/ruby/blob/31819e82c88c6f8ecfaeb162519bfa26a14b21fd=
/eval_error.c#LL159C17-L159C28) and [here](https://github.com/ruby/ruby/blo=
b/31819e82c88c6f8ecfaeb162519bfa26a14b21fd/eval_error.c#L189) in the newlin=
e case vs `write_warn_str` used [here](https://github.com/ruby/ruby/blob/31=
819e82c88c6f8ecfaeb162519bfa26a14b21fd/eval_error.c#L163) in the no-newline=
case.=20
--=20
https://bugs.ruby-lang.org/
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