public OneTimeTaskBuilder<T> onFailure(FailureHandler<T> failureHandler) {
      this.onFailure = failureHandler;
      return this;
    }
Disable 'scheduleOnStartup' to get control over when and show the executions is scheduled.
Schedules will not be updated etc, so not really recommended.
db-scheduler/src/main/java/com/github/kagkarlsson/scheduler/task/helper/Tasks.java