fix: handle resource not found according to spec#567
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tzolov merged 1 commit intomodelcontextprotocol:mainmodelcontextprotocol/java-sdk:mainfrom Sep 22, 2025
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fix: handle resource not found according to spec#567tzolov merged 1 commit intomodelcontextprotocol:mainmodelcontextprotocol/java-sdk:mainfrom sdelamo:resource-not-found-errorsdelamo/java-sdk:resource-not-found-errorCopy head branch name to clipboard
tzolov merged 1 commit intomodelcontextprotocol:mainmodelcontextprotocol/java-sdk:mainfrom
sdelamo:resource-not-found-errorsdelamo/java-sdk:resource-not-found-errorCopy head branch name to clipboard
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see: https://modelcontextprotocol.io/specification/2025-06-18/server/resources#error-handling Resource not found should send a JSON RPC response such as: ```json { "jsonrpc": "2.0", "id": 5, "error": { "code": -32002, "message": "Resource not found", "data": { "uri": "file:///nonexistent.txt" } } } ``` This PR also changes some instances where a `McpError` was thrown instead of being passed in the reactive chain with `Mono.error` functional style
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tzolov
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see: https://modelcontextprotocol.io/specification/2025-06-18/server/resources#error-handling Resource not found should send a JSON RPC response such as: ```json { "jsonrpc": "2.0", "id": 5, "error": { "code": -32002, "message": "Resource not found", "data": { "uri": "file:///nonexistent.txt" } } } ``` This PR also changes some instances where a `McpError` was thrown instead of being passed in the reactive chain with `Mono.error` functional style
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Motivation and Context
This pull-request fixes the handling of resource not found to be as described in the specification.
see: https://modelcontextprotocol.io/specification/2025-06-18/server/resources#error-handling
Resource not found should send a JSON RPC response such as:
{ "jsonrpc": "2.0", "id": 5, "error": { "code": -32002, "message": "Resource not found", "data": { "uri": "file:///nonexistent.txt" } } }How Has This Been Tested?
I added a unit tests.
Breaking Changes
This is not a breaking change but bug fix.
Types of changes
Checklist
Additional context
This PR also changes some instances where a
McpErrorwas thrown instead of being passed in the reactive chain withMono.error