Symptoms

When accessing the log box in the job’s Pipeline Stage View, the log box is transparent and illegible.

Environment

• CloudBees CI (CloudBees Core)
• CloudBees CI (CloudBees Core) on modern cloud platforms - Managed Controller
• CloudBees CI (CloudBees Core) on traditional platforms - Client Controller
• CloudBees Jenkins Enterprise - Managed Controller
• CloudBees Jenkins Platform - Client Controller

Resolution

• This issue is seen on controllers that meet the following criteria:
• Contain at least one agent (Connected or offline).
• Are running a Jenkins version less than version 2.249.1
• To fix this issue you must upgrade your Jenkins instance to at least version 2.249.1.1 as there was a fix released in this version to resolve this issue.
• Once you upgrade to at least version 2.249.1.1, the log box will function as intended.