Validate node configuration with static master replica

See gh-47401

Signed-off-by: NeatGuyCoding <[email protected]>

Author: NeatGuyCoding

module/spring-boot-data-redis/src/main/java/org/springframework/boot/data/redis/autoconfigure/DataRedisConnectionConfiguration.java

@@ -154,6 +154,7 @@ protected final RedisStandaloneConfiguration getStandaloneConfig() {
 		}
 		if (this.connectionDetails.getMasterReplica() != null) {
 			List<Node> nodes = this.connectionDetails.getMasterReplica().getNodes();
+			Assert.state(!nodes.isEmpty(), "At least one node is required for master-replica configuration");
 			RedisStaticMasterReplicaConfiguration config = new RedisStaticMasterReplicaConfiguration(
 					nodes.get(0).host(), nodes.get(0).port());
 			nodes.stream().skip(1).forEach((node) -> config.addNode(node.host(), node.port()));