Switch to lettuce Redis driver

See gh-124.

build.gradle

@@ -40,7 +40,9 @@ jar {
 dependencies {
 	compile('org.springframework.boot:spring-boot-starter-web')
 	compile('org.springframework.boot:spring-boot-starter-data-jpa')
-	compile('org.springframework.boot:spring-boot-starter-data-redis')
+	compile('org.springframework.boot:spring-boot-starter-data-redis') {
+		exclude module: 'jedis'
+	}
 	compile('org.springframework.boot:spring-boot-starter-thymeleaf')
 	compile('org.springframework.boot:spring-boot-starter-security')
 	compile('org.springframework.boot:spring-boot-actuator')
@@ -57,6 +59,7 @@ dependencies {
 	compile('org.projectlombok:lombok:1.16.8')
 	compile('org.flywaydb:flyway-core:4.0')
 	compile('mysql:mysql-connector-java:5.1.38')
+	compile('biz.paluch.redis:lettuce:3.5.0.Final')
 	testCompile('org.springframework.boot:spring-boot-configuration-processor')
 	testCompile('org.springframework.boot:spring-boot-devtools')
 	testCompile('org.springframework.security:spring-security-test')

src/main/java/io/pivotal/cla/config/SessionConfig.java

@@ -16,24 +16,48 @@
 
 package io.pivotal.cla.config;
 
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.boot.autoconfigure.data.redis.RedisProperties;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.cloud.Cloud;
 import org.springframework.cloud.CloudFactory;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Profile;
 import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
 
 /**
  * @author Mark Paluch
  */
 @Configuration
+@EnableConfigurationProperties(RedisProperties.class)
 public class SessionConfig {
 
 	@Profile(GitHubClaProfiles.CLOUDFOUNDRY)
 	@Bean
-	public RedisConnectionFactory redisConnectionFactory() {
+	public RedisConnectionFactory cloudRedisConnectionFactory() {
 		CloudFactory cloudFactory = new CloudFactory();
 		Cloud cloud = cloudFactory.getCloud();
-		return cloud.getSingletonServiceConnector(RedisConnectionFactory.class, null);
+		RedisConnectionFactory connectionFactory = cloud.getSingletonServiceConnector(RedisConnectionFactory.class, null);
+
+		if(connectionFactory instanceof LettuceConnectionFactory){
+			((LettuceConnectionFactory) connectionFactory).setShutdownTimeout(0);
+		}
+
+		return connectionFactory;
+	}
+
+	@Bean
+	@ConditionalOnMissingBean(RedisConnectionFactory.class)
+	public RedisConnectionFactory redisConnectionFactory(RedisProperties redisProperties) {
+
+		LettuceConnectionFactory connectionFactory = new LettuceConnectionFactory();
+		connectionFactory.setPort(redisProperties.getPort());
+		connectionFactory.setHostName(redisProperties.getHost());
+		connectionFactory.setPassword(redisProperties.getPassword());
+		connectionFactory.setShutdownTimeout(0);
+
+		return connectionFactory;
 	}
 }