Merge branch '5.3.x' into main

spring-webflux/src/main/java/org/springframework/web/reactive/function/client/DefaultClientResponse.java

@@ -203,7 +203,7 @@ public Mono<WebClientResponseException> createException() {
 					return bytes;
 				})
 				.defaultIfEmpty(EMPTY)
-				.onErrorReturn(IllegalStateException.class::isInstance, EMPTY)
+				.onErrorReturn(ex -> !(ex instanceof Error), EMPTY)
 				.map(bodyBytes -> {
 					HttpRequest request = this.requestSupplier.get();
 					Charset charset = headers().contentType().map(MimeType::getCharset).orElse(null);

spring-webflux/src/main/java/org/springframework/web/reactive/function/client/DefaultWebClient.java

@@ -612,7 +612,9 @@ public <T> Mono<ResponseEntity<Flux<T>>> toEntityFlux(BodyExtractor<Flux<T>, ? s
 		public Mono<ResponseEntity<Void>> toBodilessEntity() {
 			return this.responseMono.flatMap(response ->
 					WebClientUtils.mapToEntity(response, handleBodyMono(response, Mono.<Void>empty()))
-							.flatMap(entity -> response.releaseBody().thenReturn(entity))
+							.flatMap(entity -> response.releaseBody()
+									.onErrorResume(WebClientUtils.WRAP_EXCEPTION_PREDICATE, exceptionWrappingFunction(response))
+									.thenReturn(entity))
 			);
 		}
 

spring-webflux/src/test/java/org/springframework/web/reactive/function/client/WebClientIntegrationTests.java

@@ -18,11 +18,15 @@
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.io.UncheckedIOException;
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
+import java.net.ServerSocket;
+import java.net.Socket;
 import java.net.URI;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
@@ -31,6 +35,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.function.Consumer;
+import java.util.function.Function;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -64,7 +69,9 @@
 import org.springframework.http.client.reactive.HttpComponentsClientHttpConnector;
 import org.springframework.http.client.reactive.JettyClientHttpConnector;
 import org.springframework.http.client.reactive.ReactorClientHttpConnector;
+import org.springframework.util.SocketUtils;
 import org.springframework.web.reactive.function.BodyExtractors;
+import org.springframework.web.reactive.function.client.WebClient.ResponseSpec;
 import org.springframework.web.testfixture.xml.Pojo;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -83,7 +90,7 @@ class WebClientIntegrationTests {
 
 	@Retention(RetentionPolicy.RUNTIME)
 	@Target(ElementType.METHOD)
-	@ParameterizedTest(name = "[{index}] webClient [{0}]")
+	@ParameterizedTest(name = "[{index}] {displayName} [{0}]")
 	@MethodSource("arguments")
 	@interface ParameterizedWebClientTest {
 	}
@@ -113,7 +120,9 @@ private void startServer(ClientHttpConnector connector) {
 
 	@AfterEach
 	void shutdown() throws IOException {
-		this.server.shutdown();
+		if (server != null) {
+			this.server.shutdown();
+		}
 	}
 
 
@@ -1209,6 +1218,65 @@ void invalidDomain(ClientHttpConnector connector) {
 				.verify();
 	}
 
+	@ParameterizedWebClientTest
+	void malformedResponseChunksOnBodilessEntity(ClientHttpConnector connector) {
+		Mono<?> result = doMalformedChunkedResponseTest(connector, ResponseSpec::toBodilessEntity);
+		StepVerifier.create(result)
+				.expectErrorSatisfies(throwable -> {
+					assertThat(throwable).isInstanceOf(WebClientException.class);
+					WebClientException ex = (WebClientException) throwable;
+					assertThat(ex.getCause()).isInstanceOf(IOException.class);
+				})
+				.verify();
+	}
+
+	@ParameterizedWebClientTest
+	void malformedResponseChunksOnEntityWithBody(ClientHttpConnector connector) {
+		Mono<?> result = doMalformedChunkedResponseTest(connector, spec -> spec.toEntity(String.class));
+		StepVerifier.create(result)
+				.expectErrorSatisfies(throwable -> {
+					assertThat(throwable).isInstanceOf(WebClientException.class);
+					WebClientException ex = (WebClientException) throwable;
+					assertThat(ex.getCause()).isInstanceOf(IOException.class);
+				})
+				.verify();
+	}
+
+	private <T> Mono<T> doMalformedChunkedResponseTest(
+			ClientHttpConnector connector, Function<ResponseSpec, Mono<T>> handler) {
+
+		int port = SocketUtils.findAvailableTcpPort();
+
+		Thread serverThread = new Thread(() -> {
+			// No way to simulate a malformed chunked response through MockWebServer.
+			try (ServerSocket serverSocket = new ServerSocket(port)) {
+				Socket socket = serverSocket.accept();
+				InputStream is = socket.getInputStream();
+
+				//noinspection ResultOfMethodCallIgnored
+				is.read(new byte[4096]);
+
+				OutputStream os = socket.getOutputStream();
+				os.write("HTTP/1.1 200 OK\r\n".getBytes(StandardCharsets.UTF_8));
+				os.write("Transfer-Encoding: chunked\r\n".getBytes(StandardCharsets.UTF_8));
+				os.write("\r\n".getBytes(StandardCharsets.UTF_8));
+				os.write("lskdu018973t09sylgasjkfg1][]'./.sdlv".getBytes(StandardCharsets.UTF_8));
+				socket.close();
+			}
+			catch (IOException ex) {
+				throw new RuntimeException(ex);
+			}
+		});
+
+		serverThread.start();
+
+		WebClient client = WebClient.builder()
+				.clientConnector(connector)
+				.baseUrl("http://localhost:" + port)
+				.build();
+
+		return handler.apply(client.post().retrieve());
+	}
 
 	private void prepareResponse(Consumer<MockResponse> consumer) {
 		MockResponse response = new MockResponse();
@@ -1252,5 +1320,4 @@ public void setContainerValue(T containerValue) {
 			this.containerValue = containerValue;
 		}
 	}
-
 }