Issue: SPR-14509
(cherry picked from commit 64595597)

Issue: SPR-14500
(cherry picked from commit 8ccfdbbc)

Issue: SPR-14444

(cherry picked from commit afe106e2)

(cherry picked from commit 69dd40ec)

Issue: SPR-10343
(cherry picked from commit 9e934038)

Issue: SPR-14468
(cherry picked from commit 4ea5f070)

Issue: SPR-14462
(cherry picked from commit da59b4da)

Issue: SPR-14465
(cherry picked from commit 0065a160)

Issue: SPR-14457
(cherry picked from commit 52f46c7f)

Issue: SPR-14452
(cherry picked from commit f0a826ec)

This commit also aligns ResourceUrlProvider's and RequestMappingInfo's UrlPathHelper setter/getter signatures.

Issue: SPR-14454
(cherry picked from commit 5c3c0f73)

(cherry picked from commit be0b71ce)

Issue: SPR-14427
(cherry picked from commit a1b58ee6)

(cherry picked from commit e3042905)

(cherry picked from commit 92d78c10)

Issue: SPR-14433
(cherry picked from commit 52065a73)

Issue: SPR-14177

(cherry picked from commit e5122d08)

(cherry picked from commit e7a53e37)

Issue: SPR-14423
(cherry picked from commit cfc560c4)

Closes gh-1097
(cherry picked from commit 037746da)

Issue: SPR-14420
(cherry picked from commit 66ec1c16)

(cherry picked from commit 232cfe5e)

The `CacheResolver` and `ErrorHandler` features introduced in 4.1 were
not properly enabled in AspectJ mode. This commit adds more tests from
the regular proxy-based mode and align the AspectJ caching configuration.

Issue: SPR-14413
(cherry picked from commit 6cd85ddd)

Issue: SPR-14394
(cherry picked from commit f5282bc1)

Issue: SPR-14388
(cherry picked from commit fd9d518c)

Issue: SPR-14399
(cherry picked from commit 4102c627)

Issue: SPR-14385