[Fix] Regression where content type from swagger @RequestBody does not take precedence

springdoc-openapi-starter-common/src/main/java/org/springdoc/core/service/RequestBodyService.java

@@ -285,9 +285,11 @@ public void calculateRequestBodyInfo(Components components, MethodAttributes met
 	 * @param requestBodyInfo  the request body info
 	 * @return the request body
 	 */
-	private RequestBody buildRequestBody(io.swagger.v3.oas.annotations.parameters.RequestBody requestBodyDoc, Components components,
-			MethodAttributes methodAttributes,
-			ParameterInfo parameterInfo, RequestBodyInfo requestBodyInfo) {
+	private RequestBody buildRequestBody(io.swagger.v3.oas.annotations.parameters.RequestBody requestBodyDoc,
+										 Components components,
+										 MethodAttributes methodAttributes,
+										 ParameterInfo parameterInfo,
+										 RequestBodyInfo requestBodyInfo) {
 		RequestBody requestBody = requestBodyInfo.getRequestBody();
 		if (requestBody == null) {
 			requestBody = new RequestBody();
@@ -300,7 +302,9 @@ private RequestBody buildRequestBody(io.swagger.v3.oas.annotations.parameters.Re
 		Schema<?> schema = parameterBuilder.calculateSchema(components, parameterInfo, requestBodyInfo,
 				methodAttributes.getJsonViewAnnotationForRequestBody());
 		Map<String, Encoding> parameterEncoding = getParameterEncoding(parameterInfo);
-		buildContent(requestBody, methodAttributes, schema, parameterEncoding);
+		// If a content type is explicitly stated with a @RequestBody annotation, yield to that content type
+		if (!methodAttributes.isWithResponseBodySchemaDoc())
+			buildContent(requestBody, methodAttributes, schema, parameterEncoding);
 
 		// Add requestBody javadoc
 		if (StringUtils.isBlank(requestBody.getDescription()) && parameterBuilder.getJavadocProvider() != null

springdoc-openapi-starter-webmvc-api/src/test/java/test/org/springdoc/api/v30/app244/HelloController.java

@@ -0,0 +1,85 @@
+/*
+ *
+ *  *
+ *  *  *
+ *  *  *  *
+ *  *  *  *  *
+ *  *  *  *  *  * Copyright 2019-2025 the original author or authors.
+ *  *  *  *  *  *
+ *  *  *  *  *  * Licensed under the Apache License, Version 2.0 (the "License");
+ *  *  *  *  *  * you may not use this file except in compliance with the License.
+ *  *  *  *  *  * You may obtain a copy of the License at
+ *  *  *  *  *  *
+ *  *  *  *  *  *      https://www.apache.org/licenses/LICENSE-2.0
+ *  *  *  *  *  *
+ *  *  *  *  *  * Unless required by applicable law or agreed to in writing, software
+ *  *  *  *  *  * distributed under the License is distributed on an "AS IS" BASIS,
+ *  *  *  *  *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  *  *  *  *  * See the License for the specific language governing permissions and
+ *  *  *  *  *  * limitations under the License.
+ *  *  *  *  *
+ *  *  *  *
+ *  *  *
+ *  *
+ *
+ */
+
+package test.org.springdoc.api.v30.app244;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.parameters.RequestBody;
+import org.springdoc.core.annotations.ParameterObject;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HelloController {
+
+    public record Greeting(String hi, String bye) {
+    }
+
+    @PostMapping(value = "v1/greet", consumes = MediaType.APPLICATION_FORM_URLENCODED_VALUE)
+    public void endpoint(@RequestBody @ModelAttribute Greeting greeting) {
+
+    }
+
+    @PostMapping(value = "v2/greet")
+    public void endpoint2(@ParameterObject @ModelAttribute Greeting greeting) {
+
+    }
+
+    @PostMapping(value = "v3/greet")
+    @RequestBody(
+            content = @Content(
+                    mediaType = MediaType.APPLICATION_FORM_URLENCODED_VALUE,
+                    schema = @Schema(implementation = Greeting.class)
+            ))
+    public void endpoint3(Greeting greeting) {
+
+    }
+
+    @PostMapping(value = "v4/greet")
+    public void endpoint4(
+            @RequestBody(content = @Content(
+                    mediaType = MediaType.APPLICATION_FORM_URLENCODED_VALUE,
+                    schema = @Schema(implementation = Greeting.class)))
+            @ModelAttribute Greeting greeting) {
+
+    }
+
+    @PostMapping(value = "v5/greet")
+    @Operation(
+            requestBody = @RequestBody(content = @Content(
+                    mediaType = MediaType.APPLICATION_FORM_URLENCODED_VALUE,
+                    schema = @Schema(implementation = Greeting.class))
+            ))
+    public void endpoint5(@ModelAttribute Greeting greeting) {
+
+    }
+
+}
+

springdoc-openapi-starter-webmvc-api/src/test/java/test/org/springdoc/api/v30/app244/SpringDocApp244Test.java

@@ -0,0 +1,34 @@
+/*
+ *
+ *  *
+ *  *  *
+ *  *  *  *
+ *  *  *  *  * Copyright 2025 the original author or authors.
+ *  *  *  *  *
+ *  *  *  *  * Licensed under the Apache License, Version 2.0 (the "License");
+ *  *  *  *  * you may not use this file except in compliance with the License.
+ *  *  *  *  * You may obtain a copy of the License at
+ *  *  *  *  *
+ *  *  *  *  *      https://www.apache.org/licenses/LICENSE-2.0
+ *  *  *  *  *
+ *  *  *  *  * Unless required by applicable law or agreed to in writing, software
+ *  *  *  *  * distributed under the License is distributed on an "AS IS" BASIS,
+ *  *  *  *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  *  *  *  * See the License for the specific language governing permissions and
+ *  *  *  *  * limitations under the License.
+ *  *  *  *
+ *  *  *
+ *  *
+ *
+ */
+
+package test.org.springdoc.api.v30.app244;
+
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import test.org.springdoc.api.v30.AbstractSpringDocV30Test;
+
+public class SpringDocApp244Test extends AbstractSpringDocV30Test {
+
+	@SpringBootApplication
+	static class SpringDocTestApp {}
+}

springdoc-openapi-starter-webmvc-api/src/test/resources/results/3.0.1/app244.json

@@ -0,0 +1,134 @@
+{
+  "openapi" : "3.0.1",
+  "info" : {
+    "title" : "OpenAPI definition",
+    "version" : "v0"
+  },
+  "servers" : [ {
+    "url" : "http://localhost",
+    "description" : "Generated server url"
+  } ],
+  "paths" : {
+    "/v5/greet" : {
+      "post" : {
+        "tags" : [ "hello-controller" ],
+        "operationId" : "endpoint5",
+        "requestBody" : {
+          "content" : {
+            "application/x-www-form-urlencoded" : {
+              "schema" : {
+                "$ref" : "#/components/schemas/Greeting"
+              }
+            }
+          }
+        },
+        "responses" : {
+          "200" : {
+            "description" : "OK"
+          }
+        }
+      }
+    },
+    "/v4/greet" : {
+      "post" : {
+        "tags" : [ "hello-controller" ],
+        "operationId" : "endpoint4",
+        "requestBody" : {
+          "content" : {
+            "application/x-www-form-urlencoded" : {
+              "schema" : {
+                "$ref" : "#/components/schemas/Greeting"
+              }
+            }
+          }
+        },
+        "responses" : {
+          "200" : {
+            "description" : "OK"
+          }
+        }
+      }
+    },
+    "/v3/greet" : {
+      "post" : {
+        "tags" : [ "hello-controller" ],
+        "operationId" : "endpoint3",
+        "requestBody" : {
+          "content" : {
+            "application/x-www-form-urlencoded" : {
+              "schema" : {
+                "$ref" : "#/components/schemas/Greeting"
+              }
+            }
+          }
+        },
+        "responses" : {
+          "200" : {
+            "description" : "OK"
+          }
+        }
+      }
+    },
+    "/v2/greet" : {
+      "post" : {
+        "tags" : [ "hello-controller" ],
+        "operationId" : "endpoint2",
+        "parameters" : [ {
+          "name" : "hi",
+          "in" : "query",
+          "required" : false,
+          "schema" : {
+            "type" : "string"
+          }
+        }, {
+          "name" : "bye",
+          "in" : "query",
+          "required" : false,
+          "schema" : {
+            "type" : "string"
+          }
+        } ],
+        "responses" : {
+          "200" : {
+            "description" : "OK"
+          }
+        }
+      }
+    },
+    "/v1/greet" : {
+      "post" : {
+        "tags" : [ "hello-controller" ],
+        "operationId" : "endpoint",
+        "requestBody" : {
+          "content" : {
+            "application/x-www-form-urlencoded" : {
+              "schema" : {
+                "$ref" : "#/components/schemas/Greeting"
+              }
+            }
+          }
+        },
+        "responses" : {
+          "200" : {
+            "description" : "OK"
+          }
+        }
+      }
+    }
+  },
+  "components" : {
+    "schemas" : {
+      "Greeting" : {
+        "type" : "object",
+        "properties" : {
+          "hi" : {
+            "type" : "string"
+          },
+          "bye" : {
+            "type" : "string"
+          }
+        }
+      }
+    }
+  }
+}