"We can't communicate with your server" error in CCMA
Platform notice: Server and Data Center only. This article only applies to Atlassian products on the Server and Data Center platforms.
Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
Check what to do when the Confluence Cloud Migration Assistant (CCMA) raises the error message "We can't communicate with your server".
Overview
This error can have several causes; the most common is due to database configurations or performance issues.
Solution
- Disable and re-enable the CCMA.
- Considering that the CCMA does perform some heavy checks, which might look like idle connections.
- Check the timeout parameters in your specific database and try to increase them.
- Setup property hibernate.c3p0.validate to enable database reconnection, by following the steps in the document Surviving Database Connection Closures.
If that does not work, as a workaround, revert back to a previous version of CCMA, by following the steps in the document below:
Last modified on Apr 18, 2024
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