HowTo: Reopen an issue when a User comments
This Knowledge Base article is written specifically for the Atlassian Server platform. It's not applicable to Atlassian Cloud customers.
1. Install JIRA Toolkit Plugin
The JIRA Toolkit Plugin offers a special AutoTransition Listener that can detect changed issues and transition them to a new status in the workflow. Install this at Administration > Plugins > Install Plugins
2. Create a new listener
Go to the Listener section in the Administration Area.
Add a listener of class:com.atlassian.jira.toolkit.listener.AutoTransitionListener
3. Configure your new Listener
Instructions to configure the listener, as well as a comprehensive listing of options, can be found in its documentation.
Did it work?
Test this operation by triggering the event that is defined for the listener and monitoring the issue's status.