Issue

• A team master is not starting / accessible and the master logs show the following exception:

2019-01-15 22:05:50.899+0000 [id=15]    WARNING o.e.jetty.server.HttpChannel#handleException: /teams-master-01/login
java.lang.UnsupportedOperationException
    at java.util.Collections$UnmodifiableCollection.addAll(Collections.java:1065)
    at nectar.plugins.rbac.groups.GroupContainerACL.hasPermission(GroupContainerACL.java:234)
    at nectar.plugins.rbac.groups.GroupContainerACL._hasPermission(GroupContainerACL.java:123)
    at nectar.plugins.rbac.groups.GroupContainerACL.hasPermission(GroupContainerACL.java:76)
    at com.cloudbees.opscenter.bluesteel.security.GlobalAdminACL.hasPermission(GlobalAdminACL.java:46)
    at hudson.security.ACL.checkPermission(ACL.java:72)
    at hudson.security.AccessControlled.checkPermission(AccessControlled.java:47)
    at jenkins.model.Jenkins.getTarget(Jenkins.java:4643)
    [...]

Environment

• CloudBees CI (CloudBees Core) on modern cloud platforms - Managed Master
• CloudBees CI (CloudBees Core) on modern cloud platforms - Operations Center
• CloudBees CI (CloudBees Core) on traditional platforms - Client Master
• CloudBees CI (CloudBees Core) on traditional platforms - Operations Center
• CloudBees Jenkins Enterprise New User Experience

Related Issue(s)

• CORE-1479

Resolution

This issue is caused by role filters that are defined at the Team Master item level in Operations Center. Roles filters are not supported by Team Master at the moment.

Solution

The solution is to remove the role filters and restart the Team Master.

To configure the role filters of a team master, click the black arrow next the to the team master’s name and select Roles:

Then select Filter

Deselect all roles and hit “Apply”.