The initial solution provided in version 3.1.2 doesn’t seem to work in all cases. Therefor the solution provided in 3.1.3 changes the type of collection used to hold the Jira Sites.
This change requires manual altering of the jenkins-jira-plugin.xml in the root directory of Jenkins, before updating the plugin in
Jenkins open the jenkins-jira-plugin.xml file and change the
After this, update the plugin in Jenkins.