update

src/main/java/au/com/royalpay/payment/manage/task/CustomerImpressionTask.java

@@ -49,11 +49,5 @@ public class CustomerImpressionTask {
             });
             generatePool.execute(task);
         }
-        generatePool.shutdown();
-        try {
-            generatePool.awaitTermination(5, TimeUnit.HOURS);
-        } catch (InterruptedException e) {
-            e.printStackTrace();
-        }
     }
 }