в логах бекапа вот такая ошибка
"The backup to file '/var/atlassian/application-data/jira/export/
2019-мая-08--0500.zip' failed.
The backup file has been moved aside to '/var/atlassian/application-data/jira/export/corrupted'.
An exception stack trace follows:
com.atlassian.core.AtlassianCoreException: There was a problem backing up data for the null plugin.