fix ConcurrentHashSet compatibility problems (alibaba#5122)

harday · Mar 17, 2021 · 4029d32 · 4029d32
1 parent fd57e08
commit 4029d32
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/common/src/main/java/com/alibaba/nacos/common/utils/ConcurrentHashSet.java b/common/src/main/java/com/alibaba/nacos/common/utils/ConcurrentHashSet.java
@@ -17,7 +17,10 @@
 package com.alibaba.nacos.common.utils;
 
 import java.util.AbstractSet;
+import java.util.ArrayList;
 import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
 /**
@@ -46,7 +49,11 @@ public boolean contains(Object o) {
 
     @Override
     public Iterator<E> iterator() {
-        return map.keySet().iterator();
+        List<E> list = new ArrayList<E>();
+        for (Map.Entry<E, Boolean> entry : map.entrySet()) {
+            list.add(entry.getKey());
+        }
+        return list.iterator();
     }
 
     @Override