Upgrade Note - Undeploying Jiql.war
If you experience problems that the Upgrade gets stuck when undeploying jiql.war, please follow these steps to work around these problems:
1. Open the Wildfly Admin console (http://localhost:9990, username: admin, password: ulan).
2. Go to Deployments and select jiql.war. Click En/Disable and then Confirm.
3. Run the Upgrade again.