Jenkins 2.33.2.3

Warnings Plugin: v9.12

Setting the source directory in global configuration doesn't work with the warnings plugin.

Example To Reproduce:

• Open Global Settings.
  • Set Absolute path of folder:
    • /tmp
  • Select Save
• Select a Job
• Select Configure
• Under Post Build Actions
  • Add CheckStyle
  • Select Advanced
  • Under Source Directories Select Relative or Absolute Path
  • Enter /tmp 
  • Error Message:
    • This source directory is not approved yet. Please register this directory in Jenkins' global configuration.

The /tmp directory exists on both the master and slave machines.