Backport selected refinements from the nullability efforts in 5.0 [SPR-15656] #20215
Description
Juergen Hoeller opened SPR-15656 and commented
The efforts around #20099 and #20276 have uncovered minor issues like missing null handling and/or missing assertions in quite a few places. Let's selectively backport some of those refinements to 4.3.x along with 5.0 GA.
Affects: 4.3.9
Issue Links:
- Introduce null-safety of Spring Framework API [SPR-15540] #20099 Introduce null-safety of Spring Framework API
- Extend null-safety to field level [SPR-15720] #20276 Extend null-safety to field level
- SpelExpression throws NullPointerException instead of EvaluationException for primitives [SPR-16123] #20671 SpelExpression throws NullPointerException instead of EvaluationException for primitives
- setArguments(null) on MethodInvoker no longer coerces null to Object[0] [SPR-16075] #20624 setArguments(null) on MethodInvoker no longer coerces null to Object[0]