Merge branch '3.3.x' into 3.4.x

Closes gh-44630

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/docker/transport/HttpClientTransportTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2025 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.
@@ -57,6 +57,7 @@ import static org.mockito.BDDMockito.then;
  * @author Phillip Webb
  * @author Mike Smithson
  * @author Scott Frederick
+ * @author Moritz Halbritter
  */
 @ExtendWith(MockitoExtension.class)
 class HttpClientTransportTests {
@@ -309,6 +310,18 @@ class HttpClientTransportTests {
 			});
 	}
 
+	@Test
+	void shouldReturnErrorsAndMessage() throws IOException {
+		givenClientWillReturnResponse();
+		given(this.entity.getContent()).willReturn(getClass().getResourceAsStream("message-and-errors.json"));
+		given(this.response.getCode()).willReturn(404);
+		assertThatExceptionOfType(DockerEngineException.class).isThrownBy(() -> this.http.get(this.uri))
+			.satisfies((ex) -> {
+				assertThat(ex.getErrors()).hasSize(2);
+				assertThat(ex.getResponseMessage().getMessage()).contains("test message");
+			});
+	}
+
 	@Test
 	void executeWhenClientThrowsIOExceptionRethrowsAsDockerException() throws IOException {
 		given(this.client.executeOpen(any(HttpHost.class), any(HttpUriRequest.class), isNull()))

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/resources/org/springframework/boot/buildpack/platform/docker/transport/message-and-errors.json

@@ -0,0 +1,15 @@
+{
+  "message": "test message",
+  "errors": [
+    {
+      "code": "TEST1",
+      "message": "Test One",
+      "detail": 123
+    },
+    {
+      "code": "TEST2",
+      "message": "Test Two",
+      "detail": "fail"
+    }
+  ]
+}