diff --git a/acl/src/main/java/org/apache/rocketmq/acl/plain/PlainPermissionManager.java b/acl/src/main/java/org/apache/rocketmq/acl/plain/PlainPermissionManager.java index 345aed06c5a..6a1d826837c 100644 --- a/acl/src/main/java/org/apache/rocketmq/acl/plain/PlainPermissionManager.java +++ b/acl/src/main/java/org/apache/rocketmq/acl/plain/PlainPermissionManager.java @@ -30,6 +30,7 @@ import java.util.List; import java.util.Map; import java.util.Set; +import java.util.concurrent.CopyOnWriteArrayList; import java.util.concurrent.atomic.AtomicLong; import org.apache.commons.lang3.StringUtils; import org.apache.rocketmq.acl.PermissionChecker; @@ -62,7 +63,7 @@ public class PlainPermissionManager { private Map accessKeyTable = new HashMap<>(); - private List globalWhiteRemoteAddressStrategy = new ArrayList<>(); + private List globalWhiteRemoteAddressStrategy = new CopyOnWriteArrayList<>(); private RemoteAddressStrategyFactory remoteAddressStrategyFactory = new RemoteAddressStrategyFactory(); @@ -115,7 +116,7 @@ public void load() { Map> aclPlainAccessResourceMap = new HashMap<>(); Map accessKeyTable = new HashMap<>(); - List globalWhiteRemoteAddressStrategy = new ArrayList<>(); + List globalWhiteRemoteAddressStrategy = new CopyOnWriteArrayList<>(); Map> globalWhiteRemoteAddressStrategyMap = new HashMap<>(); Map dataVersionMap = new HashMap<>();