fix: read @ResponseStatus from the controller class

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

@@ -101,7 +101,7 @@
 /**
  * The type Generic response builder.
  *
- * @author bnasslahsen
+ * @author bnasslahsen, Max Freedom Pollard
  */
 public class GenericResponseService implements ApplicationContextAware {
 
@@ -450,7 +450,7 @@ private void buildGenericApiResponses(Components components, MethodParameter met
 		else {
 			// Use response parameters with no description filled - No documentation
 			// available
-			String httpCode = evaluateResponseStatus(methodParameter.getMethod(), Objects.requireNonNull(methodParameter.getMethod()).getClass(), true);
+			String httpCode = evaluateResponseStatus(methodParameter.getMethod(), methodParameter.getContainingClass(), true);
 			if (Objects.nonNull(httpCode)) {
 				apiResponse = methodAttributes.getGenericMapResponse().containsKey(httpCode) ? methodAttributes.getGenericMapResponse().get(httpCode)
 						: new ApiResponse();
@@ -491,16 +491,17 @@ private void buildApiResponses(Components components, MethodParameter methodPara
 					buildApiResponses(components, methodParameter, apiResponsesOp, methodAttributes, httpCode, apiResponse, false);
 				}
 			}
-			if (AnnotatedElementUtils.hasAnnotation(methodParameter.getMethod(), ResponseStatus.class)) {
+			if (AnnotatedElementUtils.hasAnnotation(methodParameter.getMethod(), ResponseStatus.class)
+					|| AnnotatedElementUtils.hasAnnotation(methodParameter.getContainingClass(), ResponseStatus.class)) {
 				// Handles the case with @ResponseStatus, if the specified response is not already handled explicitly
-				String httpCode = evaluateResponseStatus(methodParameter.getMethod(), Objects.requireNonNull(methodParameter.getMethod()).getClass(), false);
+				String httpCode = evaluateResponseStatus(methodParameter.getMethod(), methodParameter.getContainingClass(), false);
 				if (Objects.nonNull(httpCode) && !apiResponsesOp.containsKey(httpCode) && !apiResponsesOp.containsKey(ApiResponses.DEFAULT)) {
 					buildApiResponses(components, methodParameter, apiResponsesOp, methodAttributes, httpCode, new ApiResponse(), false);
 				}
 			}
 		}
 		else {
-			String httpCode = evaluateResponseStatus(methodParameter.getMethod(), Objects.requireNonNull(methodParameter.getMethod()).getClass(), false);
+			String httpCode = evaluateResponseStatus(methodParameter.getMethod(), methodParameter.getContainingClass(), false);
 			if (Objects.nonNull(httpCode))
 				buildApiResponses(components, methodParameter, apiResponsesOp, methodAttributes, httpCode, new ApiResponse(), false);
 		}
@@ -812,7 +813,7 @@ private boolean isValidHttpCode(String httpCode, MethodParameter methodParameter
 					if (isHttpCodePresent(httpCode, responseSet))
 						result = true;
 				}
-				if (httpCode.equals(evaluateResponseStatus(method, method.getClass(), false)))
+				if (httpCode.equals(evaluateResponseStatus(method, methodParameter.getContainingClass(), false)))
 					result = true;
 			}
 		}

springdoc-openapi-starter-webmvc-api/src/test/java/test/org/springdoc/api/v30/app273/HelloController.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2019-2026 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.app273;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * A controller that sets a status code for all of its handler methods, and one method that
+ * sets its own.
+ *
+ * @author Max Freedom Pollard
+ */
+@RestController
+@ResponseStatus(HttpStatus.CREATED)
+public class HelloController {
+
+	@PostMapping("/hello")
+	public String hello() {
+		return null;
+	}
+
+	@GetMapping("/bye")
+	@ResponseStatus(HttpStatus.ACCEPTED)
+	public String bye() {
+		return null;
+	}
+}

springdoc-openapi-starter-webmvc-api/src/test/java/test/org/springdoc/api/v30/app273/SpringDocApp273Test.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2019-2026 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.app273;
+
+import test.org.springdoc.api.v30.AbstractSpringDocV30Test;
+
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * A @ResponseStatus on the controller class applies to every handler method it declares.
+ *
+ * @author Max Freedom Pollard
+ */
+public class SpringDocApp273Test extends AbstractSpringDocV30Test {
+
+	@SpringBootApplication
+	static class SpringDocTestApp {
+	}
+}

springdoc-openapi-starter-webmvc-api/src/test/java/test/org/springdoc/api/v31/app273/HelloController.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2019-2026 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.v31.app273;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * A controller that sets a status code for all of its handler methods, and one method that
+ * sets its own.
+ *
+ * @author Max Freedom Pollard
+ */
+@RestController
+@ResponseStatus(HttpStatus.CREATED)
+public class HelloController {
+
+	@PostMapping("/hello")
+	public String hello() {
+		return null;
+	}
+
+	@GetMapping("/bye")
+	@ResponseStatus(HttpStatus.ACCEPTED)
+	public String bye() {
+		return null;
+	}
+}

springdoc-openapi-starter-webmvc-api/src/test/java/test/org/springdoc/api/v31/app273/SpringDocApp273Test.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2019-2026 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.v31.app273;
+
+import test.org.springdoc.api.v31.AbstractSpringDocTest;
+
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * A @ResponseStatus on the controller class applies to every handler method it declares.
+ *
+ * @author Max Freedom Pollard
+ */
+public class SpringDocApp273Test extends AbstractSpringDocTest {
+
+	@SpringBootApplication
+	static class SpringDocTestApp {
+	}
+}

springdoc-openapi-starter-webmvc-api/src/test/resources/results/3.0.1/app273.json

@@ -0,0 +1,50 @@
+{
+  "openapi" : "3.0.1",
+  "info" : {
+    "title" : "OpenAPI definition",
+    "version" : "v0"
+  },
+  "servers" : [ {
+    "url" : "http://localhost",
+    "description" : "Generated server url"
+  } ],
+  "paths" : {
+    "/hello" : {
+      "post" : {
+        "tags" : [ "hello-controller" ],
+        "operationId" : "hello",
+        "responses" : {
+          "201" : {
+            "description" : "Created",
+            "content" : {
+              "*/*" : {
+                "schema" : {
+                  "type" : "string"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/bye" : {
+      "get" : {
+        "tags" : [ "hello-controller" ],
+        "operationId" : "bye",
+        "responses" : {
+          "202" : {
+            "description" : "Accepted",
+            "content" : {
+              "*/*" : {
+                "schema" : {
+                  "type" : "string"
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  },
+  "components" : { }
+}

springdoc-openapi-starter-webmvc-api/src/test/resources/results/3.1.0/app273.json

@@ -0,0 +1,50 @@
+{
+  "openapi" : "3.1.0",
+  "info" : {
+    "title" : "OpenAPI definition",
+    "version" : "v0"
+  },
+  "servers" : [ {
+    "url" : "http://localhost",
+    "description" : "Generated server url"
+  } ],
+  "paths" : {
+    "/hello" : {
+      "post" : {
+        "tags" : [ "hello-controller" ],
+        "operationId" : "hello",
+        "responses" : {
+          "201" : {
+            "description" : "Created",
+            "content" : {
+              "*/*" : {
+                "schema" : {
+                  "type" : "string"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/bye" : {
+      "get" : {
+        "tags" : [ "hello-controller" ],
+        "operationId" : "bye",
+        "responses" : {
+          "202" : {
+            "description" : "Accepted",
+            "content" : {
+              "*/*" : {
+                "schema" : {
+                  "type" : "string"
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  },
+  "components" : { }
+}