Upgrade to Reactor-3.1.4, Reactor-Netty-0.7.4

* Fix `StompServerIntegrationTests` for disabling connection pool to
workaround the regression in the Reactor-Netty-0.7.4

Related to reactor/reactor-netty#290

Author: artembilan

build.gradle

@@ -125,8 +125,8 @@ subprojects { subproject ->
 		mysqlVersion = '6.0.6'
 		pahoMqttClientVersion = '1.2.0'
 		postgresVersion = '42.0.0'
-		reactorNettyVersion = '0.7.3.RELEASE'
-		reactorVersion = '3.1.3.RELEASE'
+		reactorNettyVersion = '0.7.4.RELEASE'
+		reactorVersion = '3.1.4.RELEASE'
 		romeToolsVersion = '1.8.0'
 		servletApiVersion = '4.0.0'
 		smackVersion = '4.2.2'

spring-integration-stomp/src/test/java/org/springframework/integration/stomp/client/StompServerIntegrationTests.java

@@ -60,7 +60,9 @@
 import org.springframework.messaging.PollableChannel;
 import org.springframework.messaging.simp.stomp.ReactorNettyTcpStompClient;
 import org.springframework.messaging.simp.stomp.StompCommand;
+import org.springframework.messaging.simp.stomp.StompReactorNettyCodec;
 import org.springframework.messaging.support.GenericMessage;
+import org.springframework.messaging.tcp.reactor.ReactorNettyTcpClient;
 import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
 import org.springframework.util.SocketUtils;
 
@@ -96,7 +98,12 @@ public static void setup() throws Exception {
 		activeMQBroker.getSystemUsage().getTempUsage().setLimit(1024 * 1024 * 5);
 		activeMQBroker.start();
 
-		stompClient = new ReactorNettyTcpStompClient("127.0.0.1", port);
+
+// 	TODO until Reactor Bismuth-SR7	stompClient = new ReactorNettyTcpStompClient("127.0.0.1", port);
+		stompClient = new ReactorNettyTcpStompClient(
+				new ReactorNettyTcpClient<>(options -> options.disablePool().host("127.0.0.1").port(port),
+						new StompReactorNettyCodec()));
+
 		stompClient.setMessageConverter(new PassThruMessageConverter());
 		ThreadPoolTaskScheduler taskScheduler = new ThreadPoolTaskScheduler();
 		taskScheduler.afterPropertiesSet();