mcgilman commented on a change in pull request #4416:
URL: https://github.com/apache/nifi/pull/4416#discussion_r459640917



##########
File path: 
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/service/impl/StandardKeyService.java
##########
@@ -118,11 +118,16 @@ public void deleteKey(String identity) {
             transaction = transactionBuilder.start();
 
             // delete the keys
-            DeleteKeysAction deleteKeys = new DeleteKeysAction(identity);
-            transaction.execute(deleteKeys);
-
-            // commit the transaction
-            transaction.commit();
+            DeleteKeyAction deleteKey = new DeleteKeyAction(keyId);
+            Integer rowsDeleted = transaction.execute(deleteKey);
+
+            // commit the transaction if we found one and only one matching 
keyId/user identity
+            if (rowsDeleted == 1) {

Review comment:
       I believe that the identity is marked as unique [1]. What condition 
resulted in deleting multiple rows?
   
   [1] 
https://github.com/apache/nifi/blob/main/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-administration/src/main/java/org/apache/nifi/admin/KeyDataSourceFactoryBean.java#L47




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