As of Spring Framework 5.3, it is now possible to use `PathPatternParser`
to parse and match request mapping path patterns, as an alternative to
the current default `AntPathMatcher`.
This new implementation has been used for a while in Spring WebFlux and
it’s been designed for consistency and performance.
This commit introduces a new configuration property for opting-in this
new variant:
`spring.mvc.pathmatch.matching-strategy=path_pattern_parser`
The default option is still `ant_path_matcher` for now, but we might
change the default in future versions since Spring Framework considers
it the best choice for modern applications.
There are several behavior differences with this new variant:
* double wildcards `"**"` are rejected when used in the middle patterns,
this is only allowed as the last matching segment in a pattern.
* it is incompatible with some path matching options, like
suffix-pattern, registered-suffix-pattern or configuring a Servlet
prefix on the `DispatcherServlet` (`spring.mvc.servlet.path=/test`)
This commit introduces two `FailureAnalyzer` implementations to guide
developers when facing those issues.
Closes gh-21694
Previously, the configuration property table generation was reading
both the main metadata and the additional metadata from each project.
This was unnecessary as the annotation processor will have already
merged the additional metadata into the main metadata before writing
it to disk. Processing both the main and additional metadata led to
a clash as the metadata overlapped. When the entry in the additional
metadata won the clash, the resulting entry in the configuration
property table would lose any details that aren't contained in the
additional metadata.
This commit updates the property table generation code to only use
the main metadata files.
Fixes gh-21131
This commit mentions the `management.health.probes.enabled`
configuration property in the Kubernetes Probes section of the Actuator
chapter.
Enabling this property is required if we need to expose Kubernetes
Probes in a non-Kubernetes environment.
Fixes gh-21505
