DATAREDIS-465 - Guard lettuce client shutdown during ConnectionFactory.destroy.

We now guard and log errors during lettuce client shutdown when destroying the ConnectionFactory on ApplicationContext shutdown.

Author: christophstrobl

src/main/java/org/springframework/data/redis/connection/lettuce/LettuceConnectionFactory.java

@@ -40,6 +40,7 @@
 import org.springframework.data.redis.connection.RedisSentinelConfiguration;
 import org.springframework.data.redis.connection.RedisSentinelConnection;
 import org.springframework.util.Assert;
+import org.springframework.util.ClassUtils;
 import org.springframework.util.StringUtils;
 
 import com.lambdaworks.redis.AbstractRedisClient;
@@ -147,8 +148,18 @@ public void afterPropertiesSet() {
 	 * @see org.springframework.beans.factory.DisposableBean#destroy()
 	 */
 	public void destroy() {
+
 		resetConnection();
-		client.shutdown(shutdownTimeout, shutdownTimeout, TimeUnit.MILLISECONDS);
+
+		try {
+			client.shutdown(shutdownTimeout, shutdownTimeout, TimeUnit.MILLISECONDS);
+		} catch (Exception e) {
+
+			if (log.isWarnEnabled()) {
+				log.warn((client != null ? ClassUtils.getShortName(client.getClass()) : "LettuceClient")
+						+ " did not shut down gracefully.", e);
+			}
+		}
 
 		if (clusterCommandExecutor != null) {