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Title: Bump json-schema-validator to 2.0.4 / 3.0.6, jackson to 2.21.1 / 3.1.4 by joaodinissf · Pull Request #1058 · modelcontextprotocol/java-sdk · GitHub

Open Graph Title: Bump json-schema-validator to 2.0.4 / 3.0.6, jackson to 2.21.1 / 3.1.4 by joaodinissf · Pull Request #1058 · modelcontextprotocol/java-sdk

X Title: Bump json-schema-validator to 2.0.4 / 3.0.6, jackson to 2.21.1 / 3.1.4 by joaodinissf · Pull Request #1058 · modelcontextprotocol/java-sdk

Description: Bumps json-schema-validator to 2.0.4 (Jackson 2) / 3.0.6 (Jackson 3) to adopt the OSGi class-loading fix, and moves the Jackson floors those releases require. Fixes #992 Motivation and Context DefaultJsonSchemaValidator eagerly loads the bundled Draft 2020-12 meta-schema, and json-schema-validator resolved it through the thread context class loader only — under OSGi that loader cannot see the validator's own jar, so every server failed at startup with FileNotFoundException: classpath:draft/2020-12/schema. Fixed upstream in networknt/json-schema-validator#1265 / networknt/json-schema-validator#1266, released as 3.0.6 / 2.0.4. json-schema-validator 3.0.6 is built against Jackson 3.1.4 and requires jackson-annotations 2.21, so those floors move with it; jackson-annotations is shared through mcp-core, so the Jackson 2 line is aligned to 2.21.1. How Has This Been Tested? Two ways, independently: I verified that this resolves an issue I encountered in an OSGi application — the same failure reported in #992. Separately, on a minimal embedded Apache Felix reproducer: with a thread context class loader that cannot see the bundled meta-schema, DefaultJsonSchemaValidator threw before this change and constructs cleanly after it, for both the Jackson 2 and Jackson 3 modules. Module test suites pass locally. Breaking Changes None in the SDK itself (pom-only). The validator patch releases include upstream validation bug fixes, and the transitive Jackson floor rises (Jackson 3 → 3.1.4, jackson-annotations → 2.21, Jackson 2 → 2.21.1) — consumers pinning older Jackson will need to match it. Types of changes Bug fix (non-breaking change which fixes an issue) New feature (non-breaking change which adds functionality) Breaking change (fix or feature that would cause existing functionality to change) Documentation update Checklist I have read the MCP Documentation My code follows the repository's style guidelines New and existing tests pass locally I have added appropriate error handling — n/a, dependency version bump only I have added or updated documentation as needed — n/a Additional context pom-only change (5 version properties). The upstream regression was introduced in the schema-retrieval refactor (networknt/json-schema-validator#931) and affected every 2.x/3.x release until 2.0.4 / 3.0.6.

Open Graph Description: Bumps json-schema-validator to 2.0.4 (Jackson 2) / 3.0.6 (Jackson 3) to adopt the OSGi class-loading fix, and moves the Jackson floors those releases require. Fixes #992 Motivation and Context Defa...

X Description: Bumps json-schema-validator to 2.0.4 (Jackson 2) / 3.0.6 (Jackson 3) to adopt the OSGi class-loading fix, and moves the Jackson floors those releases require. Fixes #992 Motivation and Context Defa...

Opengraph URL: https://github.com/modelcontextprotocol/java-sdk/pull/1058

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