Fixed license header

application/src/main/java/org/thingsboard/server/service/edge/rpc/fetch/AdminSettingsEdgeEventFetcher.java

@@ -1,12 +1,12 @@
 /**
  * Copyright © 2016-2023 The Thingsboard Authors
- * <p>
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * <p>
- * http://www.apache.org/licenses/LICENSE-2.0
- * <p>
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -55,8 +55,10 @@ public class AdminSettingsEdgeEventFetcher implements EdgeEventFetcher {
         List<EdgeEvent> result = new ArrayList<>();
         for (String key : keys) {
             AdminSettings adminSettings = adminSettingsService.findAdminSettingsByKey(TenantId.SYS_TENANT_ID, key);
-            result.add(EdgeUtils.constructEdgeEvent(tenantId, edgeId, EdgeEventType.ADMIN_SETTINGS,
-                    EdgeEventActionType.UPDATED, null, JacksonUtil.valueToTree(adminSettings)));
+            if (adminSettings != null) {
+                result.add(EdgeUtils.constructEdgeEvent(tenantId, edgeId, EdgeEventType.ADMIN_SETTINGS,
+                        EdgeEventActionType.UPDATED, null, JacksonUtil.valueToTree(adminSettings)));
+            }
         }
         return result;
     }