luigidemasi opened a new pull request, #24065:
URL: https://github.com/apache/camel/pull/24065
## Summary
Adds automatic discovery for YAML DSL `YamlDeserializerResolver`
implementations so optional modules can contribute custom YAML route step
deserializers when they are present on the classpath.
This change also defines and tests deterministic resolver precedence across
built-in, registry-provided, and classpath-discovered resolvers.
## Changes
- Discover resolver providers from
`META-INF/services/org/apache/camel/YamlDeserializerResolver`.
- Include Camel application/context classloaders when looking up resolver
service resources.
- Preserve built-in YAML DSL resolver behavior unless an external resolver
explicitly uses higher precedence.
- Apply deterministic ordering for registry and classpath resolvers,
including class-name and registry-name tie-breaks.
- Keep resolver loading fail-fast with clearer diagnostics for broken
provider entries.
- Clear cached constructors when resolver membership changes.
- Document the extension point, ordering rules, schema limitations, and
trusted-input expectations.
- Add tests for custom route steps, nested `steps`, route execution,
registry resolvers, Kamelets, parser usage, resolver collisions, ordering,
inline comments, and broken providers.
## Tests
- `mvn -pl
dsl/camel-yaml-dsl/camel-yaml-dsl-common,dsl/camel-yaml-dsl/camel-yaml-dsl
-DskipITs -Dtest=YamlDeserializerResolverDiscoveryTest test`
- `mvn -pl
dsl/camel-yaml-dsl/camel-yaml-dsl-common,dsl/camel-yaml-dsl/camel-yaml-dsl,dsl/camel-yaml-dsl/camel-yaml-dsl-validator
-DskipITs test`
- `mvn -pl dsl/camel-yaml-dsl/camel-yaml-dsl-validator-maven-plugin
-DskipTests install`
- `git diff --check`
_🤖 Generated with [Claude Code](https://claude.com/claude-code) on behalf of
Luigi De Masi._
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