TLDR; Upgrading YouTrack to 7.0 and getting a “Failed to execute refactoring for entity type: Event” memory error in the Hub upgrade? Add more physical RAM, then add some more, with maybe a little more on top. YT 7.0 upgrade process is memory hungry.

If you’ve read the previous posts on this site, scrolled through my Twitter feed, or spoken to me about issue management, continuous integration, delivery or deployment, then you’ll have probably heard me talk about the Jetbrains product, YouTrack. Heck, I even used it to ticket-manage my wedding back in 2014!

YouTrack is, in a nutshell:

Easy-to-use, fully customisable issue tracking and agile project management tool your development team will love.

(Those are Jetbrain’s words) – and they’re right. It is easy to use and your dev team will love it. Especially if you’ve made them use other management tools, especially that one beginning with a ‘J’. Ouch.

Anyhow, We’ve been running YouTrack 6.5 as a standalone JAR instance, on a linux box, for quite some time. The recent announcement of YouTrack 7.0 with it’s enhanced agile boards and other wonderful improvements meant I was quite looking forward to updating. Along comes the fateful day and having taken another backup (never hurts to have multiple backups) we took the service down and started the upgrade.

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