Update Master to 5.1.0.BUILD-SNAPSHOT

`JedisConnection.execute()` no longer accepts `null` arguments.

spring-projects/spring-data-redis@8adea79

* Spring Security 5.1; Reactor 3.2

Author: garyrussell

build.gradle

@@ -128,17 +128,17 @@ subprojects { subproject ->
 		mysqlVersion = '6.0.6'
 		pahoMqttClientVersion = '1.2.0'
 		postgresVersion = '42.0.0'
-		reactorNettyVersion = '0.7.5.RELEASE'
-		reactorVersion = '3.1.5.RELEASE'
+		reactorNettyVersion = '0.7.6.BUILD-SNAPSHOT'
+		reactorVersion = '3.2.0.BUILD-SNAPSHOT'
 		romeToolsVersion = '1.8.0'
 		servletApiVersion = '4.0.0'
 		smackVersion = '4.2.2'
 		springAmqpVersion = project.hasProperty('springAmqpVersion') ? project.springAmqpVersion : '2.0.2.RELEASE'
-		springDataJpaVersion = '2.0.5.RELEASE'
-		springDataMongoVersion = '2.0.5.RELEASE'
-		springDataRedisVersion = '2.0.5.RELEASE'
-		springGemfireVersion = '2.0.5.RELEASE'
-		springSecurityVersion = '5.0.3.RELEASE'
+		springDataJpaVersion = '2.1.0.BUILD-SNAPSHOT'
+		springDataMongoVersion = '2.1.0.BUILD-SNAPSHOT'
+		springDataRedisVersion = '2.1.0.BUILD-SNAPSHOT'
+		springGemfireVersion = '2.1.0.BUILD-SNAPSHOT'
+		springSecurityVersion = '5.1.0.BUILD-SNAPSHOT'
 		springSocialTwitterVersion = '1.1.2.RELEASE'
 		springRetryVersion = '1.2.2.RELEASE'
 		springVersion = project.hasProperty('springVersion') ? project.springVersion : '5.0.4.RELEASE'

gradle.properties

@@ -1 +1 @@
-version=5.0.4.BUILD-SNAPSHOT
+version=5.1.0.BUILD-SNAPSHOT

spring-integration-redis/src/main/java/org/springframework/integration/redis/outbound/RedisOutboundGateway.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2015 the original author or authors.
+ * Copyright 2014-2018 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.
@@ -35,12 +35,15 @@
  * The Gateway component implementation to perform Redis commands with provided arguments and to return command result.
  *
  * @author Artem Bilan
+ * @author Gary Russell
  * @since 4.0
  */
 public class RedisOutboundGateway extends AbstractReplyProducingMessageHandler {
 
 	private static final SpelExpressionParser PARSER = new SpelExpressionParser();
 
+	private static final byte[][] EMPTY_ARGS = new byte[0][];
+
 	private final RedisTemplate<?, ?> redisTemplate;
 
 	private EvaluationContext evaluationContext;
@@ -131,7 +134,7 @@ protected Object handleRequestMessage(Message<?> requestMessage) {
 			}
 		}
 
-		final byte[][] actualArgs = args;
+		final byte[][] actualArgs = args != null ? args : EMPTY_ARGS;
 
 		return this.redisTemplate.execute(
 				(RedisCallback<Object>) connection -> connection.execute(command, actualArgs));