Date Without Example Rendered with Pattern as Example

[JinHo3ds]

Q&A (please complete the following information)

• OS: Windows
• Browser: Chrome
• Method of installation: spring-doc
• Swagger-UI version: 5.18.2
• Swagger/OpenAPI version: Swagger 2.2.28, OpenAPI 3.1.0

Content & configuration

The pattern for date-time is populated as the example instead of the current date-time in the previous OpenAPI version.

Example Swagger/OpenAPI definition:

{
  "openapi": "3.1.0",
  "info": {
    "title": "OpenAPI definition",
    "version": "v0"
  },
  "servers": [
    {
      "url": "http://localhost:8080",
      "description": "Generated server url"
    }
  ],
  "tags": [
    {
      "name": "Dummy",
      "description": "Dummy Controller"
    }
  ],
  "paths": {
    "/dummy/execute": {
      "post": {
        "tags": [
          "Dummy"
        ],
        "operationId": "run",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/DummyDTO"
              }
            }
          },
          "required": true
        },
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "*/*": {
                "schema": {
                  "type": "array",
                  "items": {
                    "type": "string"
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "DummyDTO": {
        "type": "object",
        "properties": {
          "dummyDate": {
            "type": "string",
            "format": "date-time",
            "description": "Some Dummy Date",
            "pattern": "Some Pattern Here"
          }
        }
      }
    }
  }
}

Describe the bug you're encountering

It is expected that the current date-time is populated as the example.

Expected behavior

{
  "openapi": "3.0.1",
  "info": {
    "title": "OpenAPI definition",
    "version": "v0"
  },
  "servers": [
    {
      "url": "http://localhost:8080",
      "description": "Generated server url"
    }
  ],
  "tags": [
    {
      "name": "Dummy",
      "description": "Dummy Controller"
    }
  ],
  "paths": {
    "/dummy/execute": {
      "post": {
        "tags": [
          "Dummy"
        ],
        "operationId": "run",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/DummyDTO"
              }
            }
          },
          "required": true
        },
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "*/*": {
                "schema": {
                  "type": "array",
                  "items": {
                    "type": "string"
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "DummyDTO": {
        "type": "object",
        "properties": {
          "dummyDate": {
            "pattern": "Some Pattern Here",
            "type": "string",
            "description": "Some Dummy Date",
            "format": "date-time"
          }
        }
      }
    }
  }
}

Example with 3.0.1

Screenshots

Example with 3.1.0