If I understand the question correctly, you should be able to use Script Runner's Bulk Fix Resolutions to change a resolution for a closed ticket.
See some more data here: https://jamieechlin.atlassian.net/wiki/display/GRV/Built-In+Scripts
Hello Atlassian Community! My name is Emilee, and I’m a Product Marketing Manager for the Marketplace team. Starting with this post, I'm kicking off a monthly series of Spotlights to highlight Ma...
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
We're bringing product updates and pro tips on teamwork to ten cities around the world.Save your spot