DATAKV-63

+ reset the selected db when the connection is closed

spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/connection/jedis/JedisConnection.java

@@ -129,6 +129,11 @@ public class JedisConnection implements RedisConnection {
 					pool.returnBrokenResource(jedis);
 				}
 				else {
+					// reset the connection 
+					if (dbIndex > 0) {
+						select(0);
+					}
+
 					pool.returnResource(jedis);
 				}
 			}

spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/connection/rjc/RjcConnection.java

@@ -80,6 +80,11 @@ public class RjcConnection implements RedisConnection {
 	public void close() throws DataAccessException {
 		isClosed = true;
 
+		// reset the connection (in case a pool is being used)
+		if (dbIndex > 0) {
+			select(0);
+		}
+
 		try {
 			subscriber.close();
 			session.close();