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Migrating from Confluence Cloud to Server :: Import Fails

Mika Nuotio_flueu5

We are trying to migrate from Confluence Cloud to Confluence server.

I created a backup file from Confluence Cloud.

When I install Confluence Server and attempt to import the Confluence Cloud generated backup file, I get the following error message:

"Import failed. Check your server logs for more information. Error unzipping file: invalid stored block lengths"

I am using Confluence Server 6.12.2 (64-bit) and PostgreSQL 11.

The size of the Confluence Cloud generated backup zip file is 48MB.

Help is appreciated.

Accepted answers

Mika Nuotio_flueu5

Tobias and Ram,

Thank you both for your kind support.

It turns out that my backup ZIP file was corrupted as Ram suggested. I created a new backup ZIP file and the import worked without problems.

This issue has been resolved.

All comments

Rambabu Patina {Appfire}

Hi @Mika Nuotio,

Please check the file ownership, it may cause the issue.
And also can you try unzipping the file manually to see what errors happen on a command line.

Thanks,
Ram.

Tobias Anstett (K15t)

Hi @Mika Nuotio,

I recently had the same issue. In my case the problem was the browser I used. Firefox and Safari did not work.

Eventually Chrome did the job

Best, Tobias

Mika Nuotio_flueu5

Tobias and Ram,

Thank you both for your kind support.

It turns out that my backup ZIP file was corrupted as Ram suggested. I created a new backup ZIP file and the import worked without problems.

This issue has been resolved.

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