{
    "timestamp": "2026-09-24 08:20:27",
    "level": "WARNING",
    "data": {
        "action": "processSessionSubmit_ems_status_false",
        "message": "EMS submit trả về thất bại.",
        "idHistoryContest": "6ab47a3ec5e863e5d778accd",
        "response": {
            "status": false,
            "code": 404,
            "message": "Có lỗi xảy ra, vui lòng thử lại sau.",
            "error": {
                "status": false,
                "message": "HistoryContest đã finish"
            }
        }
    }
}
{
    "timestamp": "2026-09-24 08:20:27",
    "level": "INFO",
    "data": {
        "action": "handleEmsSubmissionFailure_completed",
        "message": "Đã xử lý fallback khi EMS submit thất bại: fe_submission_status = 2, checkSubmissionDeadline, score_processing_status = 1, is_deadline_checked = 1.",
        "idHistoryContest": "6ab47a3ec5e863e5d778accd",
        "tenantConnection": "lms_tenant_icc",
        "student_score_id": 6029
    }
}
{
    "timestamp": "2026-09-24 08:49:47",
    "level": "INFO",
    "data": {
        "action": "backfill_student_exam_histories",
        "id": 9641,
        "idHistoryContest": "6ab47e0b697585f62f1a9339",
        "skill": 13,
        "task_number": null,
        "idbaikiemtra": 10902
    }
}
{
    "timestamp": "2026-09-24 08:49:47",
    "level": "INFO",
    "data": {
        "action": "backfill_student_exam_histories",
        "id": 9642,
        "idHistoryContest": "6ab481bb697585f62f1a9364",
        "skill": 14,
        "task_number": null,
        "idbaikiemtra": 10903
    }
}
{
    "timestamp": "2026-09-24 08:49:47",
    "level": "INFO",
    "data": {
        "action": "backfill_student_exam_histories",
        "id": 9643,
        "idHistoryContest": "6ab481bb697585f62f1a936e",
        "skill": 15,
        "task_number": 8,
        "idbaikiemtra": 10904
    }
}
{
    "timestamp": "2026-09-24 08:49:47",
    "level": "INFO",
    "data": {
        "action": "backfill_student_exam_histories",
        "id": 9644,
        "idHistoryContest": "6ab481bb697585f62f1a936e",
        "skill": 15,
        "task_number": 9,
        "idbaikiemtra": 10904
    }
}
{
    "timestamp": "2026-09-24 08:49:47",
    "level": "INFO",
    "data": {
        "action": "backfill_student_exam_histories",
        "id": 9645,
        "idHistoryContest": "6ab481bb697585f62f1a9378",
        "skill": 16,
        "task_number": null,
        "idbaikiemtra": 10905
    }
}
{
    "timestamp": "2026-09-24 08:49:47",
    "level": "INFO",
    "data": {
        "action": "processSessionSubmit_success",
        "message": "Submit mock contest session thành công",
        "idHistoryContest": "6ab47e08697585f62f1a932c",
        "timeTotal": 0.3417398929595947
    }
}