I'm trying to upgrade our Confluence environment from v3.5 to v4.0 (eventually, to v5x) and I'm running into a strage error on startup.
The catalina.out file just shows "INFO: Server startup in 1008473 ms"
In the browser I get:
Unable to start up Confluence. Fatal error during startup sequence: confluence.lifecycle.core:pluginframeworkdependentupgrades (Run all the upgrades that require the plugin framework to be available) - com.atlassian.confluence.content.render.xhtml.migration.exceptions.MigrationException: java.util.concurrent.ExecutionException: java.lang.RuntimeException: org.owasp.validator.html.ScanException: java.io.IOException: The character '' is an invalid XML character
I have not been able to find any information on where to look for this error.
There are some known issues when trying to upgrade from a certain version to another.
What is known to work well is to upgrade from Confluence version 3.5.17 to version 4/5.
So first, upgrade your Confluence 3.5 to the version 3.5.17, then upgarde to version 4.
Hi team, I’m Avinoam, a product manager on Confluence Cloud, and today I’m really excited to let the Community know that all customers can now try out the new editing experience and see some of the ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs