You may delete all your project components by using a script along with JIRA Command Line Interface plugin, from Bob Swift.
The link below provides some examples on how to perform such operations with his plugin:
thanks for your suggest.
Actually we want to delete all issues in a project and then import the project again from an xml. Why we don't want to delete the project either? Because there a plenty of custom fields, settings on the projects which would be cumbersome to set.
So, what if we kepp the components and versions and delete the isues and import again? Can we do the import?
Badges are a great way to show off community activity, whether you’re a newbie or a Champion.Learn more
Hi Atlassian Community! My name is Shana, and I’m on the Jira Software team. One of the many reasons this Community exists is to connect you to others on similar product journeys or with comparabl...
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