Confluence Space import from xml-backup fails with HibernateException

[Vladimir Chernyakov]

Hi!

We need to complete this task:

-- move some space from one server to another. both servers have the same version of confluence. we trying to do it with standard "Backup&Restore" functionality. all looks perfect as a first approximation :)

We've got xml-backup of confluence space from source server (Parameters of confluence instance: version of confluence - 5.4.3, build - 4252).

We've got new server with the same version of confluence 5.4.3, but build number between servers doesn't match (our 4517).

We changed build number in xml-backup from 4252 to 4517. Otherwise an error is displayed

Both servers have the same set of groups.

In process of import new error is displayed:

com.atlassian.confluence.importexport.ImportExportException: Unable to complete import: Error while importing backup: Found two representations of same collection: com.atlassian.confluence.spaces.Space.permissions; nested exception is net.sf.hibernate.HibernateException: Found two representations of same collection: com.atlassian.confluence.spaces.Space.permissions

Any advice will be much appreciated.

Cheers.

[Rodrigo Girardi Adami · Accepted solution]

Hi Nikolay,

The build number 4252 is related to confluence 5.1.5 as we can see here. the build number for 5.4.3 is 4732 and not 4517. I believe there is some misunderstanding in confluence versions and build numbers or the upgrade wasn't performed correctly before in those instances.

I recommend to double check if the build numbers match and just upload a xml backup from the same version to another same version.

Cheers,

Rodrigo