url-PageNotFound #182

Bug description
web.servlet.PageNotFound : No mapping for POST /serviceAdmin/ab/ab/message

Environment
springboot3 jdk21

Steps to reproduce
Steps1 server
new WebMvcSseServerTransportProvider(mapper, "/ab/message","/ab/sse");

Steps1 client
McpClientTransport clientTransport = new HttpClientSseClientTransport("http://localhost:8085/serviceAdmin/ab");

Expected behavior
POST /serviceAdmin/ab/message success

Minimal Complete Reproducible example