Bonjour,
j'ai rencontré ce code erreur dmlreadexception lors d'une tentative de sauvegarde d'une activité base de données*.Pouvez-vous m'éclairer sur d'éventuelles causes SVP ?
Moodle 2.7.2 (Build: 20140908)
Debug info :
MySQL server has gone away
SELECT COUNT(*)
FROM mdl_backup_ids_temp b
JOIN mdl_user u ON u.id = b.itemid
WHERE b.backupid = ?
AND b.itemname = 'userfinal'
AND u.mnethostid != ?
[array (
0 => '6155ab95685c1fc2d95168a70677c77e',
1 => '1',
)]
Error code : dmlreadexception
Stack trace :
line 443 of /lib/dml/moodle_database.php: dml_read_exception thrown
line 1014 of /lib/dml/mysqli_native_moodle_database.php: call to moodle_database->query_end()
line 1476 of /lib/dml/moodle_database.php: call to mysqli_native_moodle_database->get_records_sql()
line 1549 of /lib/dml/moodle_database.php: call to moodle_database->get_record_sql()
line 1759 of /lib/dml/moodle_database.php: call to moodle_database->get_field_sql()
line 471 of /backup/util/dbops/backup_controller_dbops.class.php: call to moodle_database->count_records_sql()
line 1552 of /backup/moodle2/backup_stepslib.php: call to backup_controller_dbops::backup_includes_mnet_remote_users()
line 88 of /backup/util/plan/backup_structure_step.class.php: call to backup_main_structure_step->define_structure()
line 181 of /backup/util/plan/base_task.class.php: call to backup_structure_step->execute()
line 177 of /backup/util/plan/base_plan.class.php: call to base_task->execute()
line 120 of /backup/util/plan/backup_plan.class.php: call to base_plan->execute()
line 320 of /backup/controller/backup_controller.class.php: call to backup_plan->execute()
line 111 of /backup/util/ui/backup_ui.class.php: call to backup_controller->execute_plan()
line 131 of /backup/backup.php: call to backup_ui->execute()
Par avance merci