Failed to get the implementation on Spring MVC 5.3.18

[namtx]

Setup information

hikaku version: 3.3.0
specification converter: OpenApiConverter
implementation converter: SpringConverter
build tool and version: gradle 6.8.01
test framework: junit-pioneer 1.6.2

Describe the bug

SpringConverter fails to get the Application endpoints

Expected behavior

SpringConverter can get the Application endpoints

Code samples

Can you provide specification snippets or code snippets?

CODE HERE