From 8a5db20d32852093cae53e08ea62fabf4b22f22c Mon Sep 17 00:00:00 2001
From: Pavlov Aleksey <aleksey.pavlov8@wildberries.ru>
Date: Thu, 6 Aug 2020 18:04:04 +0300
Subject: [PATCH] fix nil node dereference when use RouteByLatency in cluster

---
 cluster.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cluster.go b/cluster.go
index 78d5def5..346d675f 100644
--- a/cluster.go
+++ b/cluster.go
@@ -564,7 +564,11 @@ func (c *clusterState) slotClosestNode(slot int) (*clusterNode, error) {
 			node = n
 		}
 	}
-	return node, nil
+	if node != nil {
+		return node, nil
+	}
+	// If all nodes are failing - return random node
+	return c.nodes.Random()
 }
 
 func (c *clusterState) slotRandomNode(slot int) (*clusterNode, error) {