NullPointerException calling bigquery listRoutines and listModels

[stephaniewang526]

Below snippet is returning null when there is no Routines in the dataset:

    // clean up stale test routines in the test dataset
    Page<Routine> routines =
        bigquery.listRoutines(BIGQUERY_DATASET_NAME, BigQuery.RoutineListOption.pageSize(1000));
    for (Routine routine : routines.getValues()) {
      String routineName = routine.getRoutineId().getRoutine();
      if (routineName.contains("MY_ROUTINE_NAME_TEST_") && routine.getCreationTime() > sixHourAgo) {
        System.out.format("\tDeleting Routine: %s\n", routineName);
        bigquery.delete(RoutineId.of(PROJECT_ID, BIGQUERY_DATASET_NAME, routineName));
      }
    }

When there are Routines in the dataset, nullpointer is not thrown on listRoutines method.