Добрый день. Подскажите как бороться с ошибкой резервного копирования курса. Если делать по частям (файлы, пользователи, элементы курса и т.д.) то копия создается. Но если делать копию всего курса то появляется ошибка:
Информация об отладке: MySQL server has gone away
SELECT count(r.repositoryid)
FROM mdl_files f
LEFT JOIN mdl_files_reference r
ON r.id = f.referencefileid
JOIN mdl_backup_ids_temp bi
ON f.id = bi.itemid
WHERE bi.backupid = ?
AND bi.itemname = 'filefinal'
[array (
0 => '17bd6efc3c5368d28a15d8c8e2d680d7',
)]
Error code: dmlreadexception
Трассировки стека:
- line 486 of /lib/dml/moodle_database.php: dml_read_exception thrown
- line 1273 of /lib/dml/mysqli_native_moodle_database.php: call to moodle_database->query_end()
- line 1671 of /lib/dml/moodle_database.php: call to mysqli_native_moodle_database->get_records_sql()
- line 1744 of /lib/dml/moodle_database.php: call to moodle_database->get_record_sql()
- line 1954 of /lib/dml/moodle_database.php: call to moodle_database->get_field_sql()
- line 522 of /backup/util/dbops/backup_controller_dbops.class.php: call to moodle_database->count_records_sql()
- line 2140 of /backup/moodle2/backup_stepslib.php: call to backup_controller_dbops::backup_includes_file_references()
- line 34 of /backup/util/plan/backup_execution_step.class.php: call to backup_store_backup_file->define_execution()
- line 181 of /backup/util/plan/base_task.class.php: call to backup_execution_step->execute()
- line 191 of /backup/util/plan/base_plan.class.php: call to base_task->execute()
- line 145 of /backup/util/plan/backup_plan.class.php: call to base_plan->execute()
- line 419 of /backup/controller/backup_controller.class.php: call to backup_plan->execute()
- line 136 of /backup/util/ui/backup_ui.class.php: call to backup_controller->execute_plan()
- line 175 of /backup/backup.php: call to backup_ui->execute()