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Add Support for Jackson 3 (#742)

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This change adds Jackson 3 support and aligns package naming in the existing Jackson 2 module.

Specific changes:
* Deprecated classes for removal in `io.modelcontextprotocol.json.jackson`/`io.modelcontextprotocol.json.schema.jackson`
* Copied the above to `io.modelcontextprotocol.json.jackson2`/`io.modelcontextprotocol.json.schema.jackson2` in non-deprecated form.
* Added tests for the default McpJsonMapper and JsonSchemaValidator
This commit is contained in:
Filip Hrisafov 2026-01-26 11:43:35 +01:00 • committed by GitHub
commit 2456a0e433
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1 changed files with 2487 additions and 21 deletions
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6
mcp-json-jackson2/pom.xml
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@ -11,7 +11,7 @@
<artifactId>mcp-json-jackson2</artifactId>
<packaging>jar</packaging>
<name>Java MCP SDK JSON Jackson</name>
<description>Java MCP SDK JSON implementation based on Jackson</description>
<description>Java MCP SDK JSON implementation based on Jackson 2</description>
<url>https://github.com/modelcontextprotocol/java-sdk</url>
<scm>
<url>https://github.com/modelcontextprotocol/java-sdk</url>
@ -42,12 +42,12 @@
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
<version>${jackson2.version}</version>
</dependency>
<dependency>
<groupId>com.networknt</groupId>
<artifactId>json-schema-validator</artifactId>
<version>${json-schema-validator.version}</version>
<version>${json-schema-validator-jackson2.version}</version>
</dependency>
<dependency>