This commit changes the guard against multiple subscriptions, as the
previously used doOnSubscribe hook could not function as guard in
certain scenarios.
See gh-32727
Closes gh-32728
This commit refines the expressions for the scheme, user info, host and
port parts of the URL in UriComponentsBuilder to better conform to
RFC 3986.
Fixes gh-32618
Prior to this commit, MethodIntrospector failed to properly detect
bridge methods for subsequent invocations of selectMethods() with the
same targetType and MetadataLookup, if such subsequent invocations
occurred after the ApplicationContext had been refreshed.
The reason this occurs is due to the following.
- Class#getDeclaredMethods() always returns "child copies" of the
underlying Method instances -- which means that `equals()` should be
used instead of `==` whenever the compared Method instances can come
from different sources (such as the static caches mentioned below).
- BridgeMethodResolver caches resolved bridge methods in a static cache
-- which is never cleared.
- ReflectionUtils caches declared methods in a static cache
-- which gets cleared when an ApplicationContext is refreshed.
Consequently, if you attempt to load an ApplicationContext twice in the
same ClassLoader, the second attempt uses the existing, populated cache
for bridged methods but a cleared, empty cache for declared methods.
This results in new invocations of Class#getDeclaredMethods(), and
identity checks with `==` then fail to detect equivalent bridge methods.
This commit addresses this by additionally comparing bridge methods
using `equals()` in MethodIntrospector.selectMethods().
Note that the `==` checks remain in place as an optimization for when
`equals()` is unnecessary.
Closes gh-32586
(cherry picked from commit e702733c7b)
webmvc.fn now also uses the StandardServletAsyncWebRequest wrapped response
to enforce lifecycle rules from Servlet spec (section 2.3.3.4).
See gh-32342
Dispatching was prevented for disconnected client errors after
recent reports like #32042 when running on Tomcat, and the
async request was completed from the onError notification.
This has the side effect of not allowing exception resolvers
to take final action even if the response is not writeable.
After all updates for this issue, it appears the dispatch no
longer causes issues. Tomcat actually does not do the dispatch,
but it doesn't seem to cause any issues, and on other servers
like Jetty where the dispatch works, applications can have a
chance to handle the exception.
This change removes the disconnected client checks and allows
dispatching again. After the change DisconnectedClientHelper
is no longer needed in the 5.3.x branch.
See gh-32342
Arjen Poutsma
Brian Clozel
Juergen Hoeller
yhao3
Spring Builds
Stéphane Nicoll
Sam Brannen
rstoyanchev
Kasper Bisgaard
Sébastien Deleuze