From f4bd1b5f2cd54a7fd4944944f94d38bc5a2b1730 Mon Sep 17 00:00:00 2001
From: beiwei30 <ian.luo@gmail.com>
Date: Sun, 8 Apr 2018 10:30:00 +0800
Subject: [PATCH] supplementary change for pull request#1388

---
 .../java/com/alibaba/dubbo/rpc/cluster/merger/ArrayMerger.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/ArrayMerger.java b/dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/ArrayMerger.java
index 443a51f2b0..e75adcaac4 100644
--- a/dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/ArrayMerger.java
+++ b/dubbo-cluster/src/main/java/com/alibaba/dubbo/rpc/cluster/merger/ArrayMerger.java
@@ -34,7 +34,7 @@ public class ArrayMerger implements Merger<Object[]> {
             if (item != null && item.getClass().isArray()) {
                 totalLen += Array.getLength(item);
             } else {
-                throw new IllegalArgumentException(i + 1 + "th argument is not an array");
+                throw new IllegalArgumentException((i + 1) + "th argument is not an array");
             }
         }