HBASE-27282 CME in AuthManager causes region server crash (apache#4684)

Signed-off-by: Duo Zhang <[email protected]> (cherry picked from commit d664162) (cherry picked from commit ae8652c) Change-Id: Ib2416a3c13f73e2caedeb8ee04eb8457688e23ac
vinayakphegde · Aug 9, 2022 · 97a101c · 97a101c
1 parent c89c95a
commit 97a101c
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/AuthManager.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/AuthManager.java
@@ -19,7 +19,6 @@
 
 import java.io.IOException;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -66,7 +65,7 @@ private static class PermissionCache<T extends Permission> {
 
     void put(String name, T perm) {
       synchronized (mutex) {
-        Set<T> perms = cache.getOrDefault(name, new HashSet<>());
+        Set<T> perms = cache.getOrDefault(name, ConcurrentHashMap.newKeySet());
         perms.add(perm);
         cache.put(name, perms);
       }