From 01fd5632e52104f7496f113548fdaec93d26294e Mon Sep 17 00:00:00 2001
From: Ian Luo <ian.luo@gmail.com>
Date: Tue, 29 Jan 2019 14:21:16 +0800
Subject: [PATCH] follow up for #3291

---
 .../java/org/apache/dubbo/registry/redis/RedisRegistry.java    | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/dubbo-registry/dubbo-registry-redis/src/main/java/org/apache/dubbo/registry/redis/RedisRegistry.java b/dubbo-registry/dubbo-registry-redis/src/main/java/org/apache/dubbo/registry/redis/RedisRegistry.java
index c958aa1d030..c2ce92b6582 100644
--- a/dubbo-registry/dubbo-registry-redis/src/main/java/org/apache/dubbo/registry/redis/RedisRegistry.java
+++ b/dubbo-registry/dubbo-registry-redis/src/main/java/org/apache/dubbo/registry/redis/RedisRegistry.java
@@ -25,7 +25,6 @@
 import org.apache.dubbo.common.utils.NamedThreadFactory;
 import org.apache.dubbo.common.utils.StringUtils;
 import org.apache.dubbo.common.utils.UrlUtils;
-import org.apache.dubbo.common.utils.CollectionUtils;
 import org.apache.dubbo.common.utils.ArrayUtils;
 import org.apache.dubbo.registry.NotifyListener;
 import org.apache.dubbo.registry.support.FailbackRegistry;
@@ -408,7 +407,7 @@ private void doNotify(Jedis jedis, Collection<String> keys, URL url, Collection<
             }
             List<URL> urls = new ArrayList<>();
             Map<String, String> values = jedis.hgetAll(key);
-            if (!CollectionUtils.isEmptyMap(values)) {
+            if (CollectionUtils.isNotEmptyMap(values)) {
                 for (Map.Entry<String, String> entry : values.entrySet()) {
                     URL u = URL.valueOf(entry.getKey());
                     if (!u.getParameter(Constants.DYNAMIC_KEY, true)