Mon Dec 6 2021 15:53:22 UTC
It's not a bug. It's an undocumented feature.
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ID Product Comp Assignee Status Resolution Summary Changed
58199 Tomcat 8 Catalina dev RESO DUPL java.lang.ClassCircularityError java/security/Permission using custom Security Manager 2015-08-05
One bug found.

as

File a new bug in the "Catalina" component of the "Tomcat 8" product