backend/src/main/java/core/services/ntfy/TaskSchedulingService.java

@@ -55,6 +55,7 @@ public class TaskSchedulingService {
     public void sendRunningTaskNotification(AbstractSchedule abstractSchedule) {
         HttpClient httpClient = HttpClient.newHttpClient();
         User user = abstractSchedule.getTask().getTaskgroup().getUser();
+        if(user.getNtfy_host() != null && user.getNtfy_topic() != null) {
             try {
                 HttpRequest request = HttpRequest.newBuilder()
                         .uri(new URI(user.getNtfy_host()+ "/" + user.getNtfy_topic()))
@@ -70,6 +71,8 @@ public class TaskSchedulingService {
             }
         }
 
+    }
+
     private static Date calculateDelayInMillis(LocalDateTime executionTime) {
         return  Date.from(executionTime.atZone(ZoneId.systemDefault()).toInstant());
     }