I tried restoring OnDemand backup on 5.2.10 and it worked just fine, however I need to restore it to 5.2.5 local version of Jira, sadly I can't update it to 5.2.10
While trying to restore I got a following error:
Error importing data: java.lang.IllegalArgumentException: [GenericDelegator.makeValue] could not find entity for entityName: ApplicationUser
Migration from ondemand to locally installed should only be done from the same version, to the same version. Anything that has been added in the latest point releases up to 5.2.10 will have nowhere to insert into your 5.2.5 database. For instance a column added to a table in a new version now contains data in 5.2.10, this column doesn't exist in 5.2.5, no where to import.
If you cannot upgrade the local instance to 5.2.10, but could modify the database structure to accommodate any new/changed database structures, you might be able to force the data in, but this is extremely not recommended as it would put your local instance in an unknown/unsupported state. If you could run a diff on the 5.2.5 v 5.2.10 table data only (for mysqldump -d option) you could manually modify the 5.2.10 dump to fit into the 5.2.5. Again, this is probably not a good idea :)
Here is the official JIRA migration documentation:
Exporting 1 single project including workflows etc. is not possible. There is an option to use the project import tool, the version of the 2 systems should still be the same and the additional configuration like workflows/fields/statusses/types etc. need to be created manually on the destination prior to the import.
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