应该是非空才循环，不然会导致在使用redis注册中心时消费者引用不到服务 (#3291)

it-zhouyu · beiwei30 · commit 58e35b29444b · 2019-01-29T14:14:42.000+08:00
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
@@ -408,7 +408,7 @@ 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.isEmptyMap(values)) {
                 for (Map.Entry<String, String> entry : values.entrySet()) {
                     URL u = URL.valueOf(entry.getKey());
                     if (!u.getParameter(Constants.DYNAMIC_KEY, true)

Original file line number	Diff line number	Diff line change
`@@ -408,7 +408,7 @@ private void doNotify(Jedis jedis, Collection<String> keys, URL url, Collection<`
`408`	`408`	`}`
`409`	`409`	`List<URL> urls = new ArrayList<>();`
`410`	`410`	`Map<String, String> values = jedis.hgetAll(key);`
`411`		`- if (CollectionUtils.isEmptyMap(values)) {`
	`411`	`+ if (!CollectionUtils.isEmptyMap(values)) {`
`412`	`412`	`for (Map.Entry<String, String> entry : values.entrySet()) {`
`413`	`413`	`URL u = URL.valueOf(entry.getKey());`
`414`	`414`	`if (!u.getParameter(Constants.DYNAMIC_KEY, true)`