Tests pass

For Tomcat, failures occur if HttpHandlerServlet buffer size is
significantly less than the Tomcat input buffer size.

Also on command line Jetty tests fail with port unavailable unless
the server from the Tomcat tests is also destroyed.

spring-web-reactive/src/main/java/org/springframework/reactive/web/servlet/HttpHandlerServlet.java

@@ -34,7 +34,7 @@ import org.springframework.reactive.web.HttpHandler;
 @WebServlet(asyncSupported = true )
 public class HttpHandlerServlet extends HttpServlet {
 
-	private static final int BUFFER_SIZE = 4096;
+	private static final int BUFFER_SIZE = 8192;
 
 	private HttpHandler handler;
 

spring-web-reactive/src/test/java/org/springframework/reactive/web/servlet/AbstractHttpHandlerServletIntegrationTestCase.java

@@ -21,7 +21,6 @@ import java.util.Random;
 
 import org.junit.Test;
 
-import org.springframework.http.HttpMethod;
 import org.springframework.http.RequestEntity;
 import org.springframework.http.ResponseEntity;
 import org.springframework.util.SocketUtils;
@@ -44,8 +43,7 @@ public abstract class AbstractHttpHandlerServletIntegrationTestCase {
 		RestTemplate restTemplate = new RestTemplate();
 
 		byte[] body = randomBytes();
-		RequestEntity<byte[]>
-				request = new RequestEntity<byte[]>(body, HttpMethod.POST, new URI(url()));
+		RequestEntity<byte[]> request = RequestEntity.post(new URI(url())).body(body);
 		ResponseEntity<byte[]> response = restTemplate.exchange(request, byte[].class);
 
 		assertArrayEquals(body, response.getBody());
@@ -56,7 +54,7 @@ public abstract class AbstractHttpHandlerServletIntegrationTestCase {
 		RestTemplate restTemplate = new RestTemplate();
 
 		String body = randomString();
-		RequestEntity<String> request = new RequestEntity<String>(body, HttpMethod.POST, new URI(url()));
+		RequestEntity<String> request = RequestEntity.post(new URI(url())).body(body);
 		ResponseEntity<String> response = restTemplate.exchange(request, String.class);
 
 		assertEquals(body, response.getBody());

spring-web-reactive/src/test/java/org/springframework/reactive/web/servlet/HttpHandlerServletJettyIntegrationTests.java

@@ -50,6 +50,7 @@ public class HttpHandlerServletJettyIntegrationTests
 	@AfterClass
 	public static void stopServer() throws Exception {
 		jettyServer.stop();
+		jettyServer.destroy();
 	}
 
 	public static void main(String[] args) throws Exception {

spring-web-reactive/src/test/java/org/springframework/reactive/web/servlet/HttpHandlerServletTomcatIntegrationTests.java

@@ -33,6 +33,7 @@ public class HttpHandlerServletTomcatIntegrationTests extends AbstractHttpHandle
 
 	private static Tomcat tomcatServer;
 
+
 	@BeforeClass
 	public static void startServer() throws LifecycleException, InterruptedException {
 		tomcatServer = new Tomcat();
@@ -43,15 +44,16 @@ public class HttpHandlerServletTomcatIntegrationTests extends AbstractHttpHandle
 		HttpHandlerServlet servlet = new HttpHandlerServlet();
 		servlet.setHandler(new EchoHandler());
 
-		tomcatServer.addServlet(rootCtx, "handlerServlet", servlet);
+		Tomcat.addServlet(rootCtx, "handlerServlet", servlet);
 		rootCtx.addServletMapping("/rx", "handlerServlet");
 
 		tomcatServer.start();
 	}
 
 	@AfterClass
-	public static void stopServer() throws LifecycleException {
+	public static void stopServer() throws Exception {
 		tomcatServer.stop();
+		tomcatServer.destroy();
 	}
 
 	public static void main(String[] args) throws Exception {