OnCommand Unified Manager事件"Database Backup Failed"、"原因：无法使用mysql实用程序创建数据库备份"

适用场景

OnCommand Unified Manager 6.x

问题描述

OnCommand 统一管理器正在记录此事件：

 Event Name: Database Backup Failed Event Description: Backup creation status. Event Condition: Daily database backup 'UM_7.2_backup_unix_04-14-2018-12-15.7z' creation failed. Reason: Failed to create database backup using mysql utility.

计划备份失败、数据库备份期间出现以下错误：

' Daily database backup 'UM_7.0_backup_unix_.....7z' creation failed. Reason: Failed to create database backup using mysql utility.'

有关详细信息、请参见ocumserver-debug.log

mysqldump: Couldn't execute 'show fields from `dictionary`': SELECT command denied to user 'jboss'@'localhost' for table 'dictionary'

ERROR [oncommand] [taskScheduler-2] [Backup|ScheduleBackup] [c.n.d.i.backup.BackupRestoreManager] Error occured while taking mysql dump
mysqldump: Got error: 1049: Unknown database '#mysql50#<Unknown folder name>' when selecting the database