--- src/main/java/org/mariadb/jdbc/internal/util/scheduler/SchedulerServiceProviderHolder.java.orig	2017-09-05 16:23:26.000000000 +0200
+++ src/main/java/org/mariadb/jdbc/internal/util/scheduler/SchedulerServiceProviderHolder.java	2017-11-29 16:01:58.993415200 +0100
@@ -84,7 +84,7 @@
         @Override
         @SuppressWarnings("unchecked")
         public ThreadPoolExecutor getBulkScheduler() {
-            return new ThreadPoolExecutor(5, 100, 1, TimeUnit.MINUTES, new SynchronousQueue(), new MariaDbThreadFactory("bulk"));
+            return new ThreadPoolExecutor(5, 100, 1, TimeUnit.MINUTES, new SynchronousQueue(), new MariaDbThreadFactory("bulk"), new ThreadPoolExecutor.CallerRunsPolicy());
         }
 
     };