jackson

Jackson library for JSON processing

Programming Fix Kotlin Deserialization Errors in Spring AI MCP Server

Resolve 'Cannot construct instance' deserialization errors for complex Kotlin data classes like List<Person> in Spring AI MCP Server with streamable-http. Configure jackson-module-kotlin, kotlin-reflect, and custom ObjectMapper bean using Jackson2ObjectMapperBuilder.

#spring-ai
#kotlin
#jackson
#mcp-server
#deserialization

1 answer• 1 view

12/27/2025, 10:17 AM