springdoc-openapi v2.3.0, "XXX PROPS " is displayed to standard error.

[namhokim]

Describe the bug

• When using springdoc-openapi v2.3.0, a message starting with "XXX PROPS " is displayed to standard error.

To Reproduce
Steps to reproduce the behavior:

• Use springdoc-openapi v2.3.0 version
• Request to server API_DOCS_URL (OpenApiWebMvcResource#openapiJson)

Expected behavior

• No System.err debugging message.

Screenshots

Additional context

• It is not springdoc bug, but swagger-core 2.2.19 on swagger-api/swagger-core@699f70e
• swagger-core 2.2.20 fix this problem on swagger-api/swagger-core@bfd25e2
• Thus It will be fix Upgrade swagger-core to 2.2.20, please.

[lbruun]

I would think this will be automatically fixed as a result of PR-2463 (already merged). However, you would have to wait for current project to publish a new release.

[bnasslahsen]

Should be fixed with swagger-core upgrade.