{"index":{"_index":"fess_config.scheduled_job","_id":"score_booster"}}

    // Test class that throws exception
    private static class ExceptionScoreBooster extends ScoreBooster {
        @Override
        public long process() {
            throw new RuntimeException("Test exception");
        }
    }

    // Test class with priority tracking
    private static class PriorityTrackingBooster extends ScoreBooster {
        private static List<Integer> executionOrder = new ArrayList<>();