Tue Feb 18 2020 15:12:48 UTC
It's not a bug. It's an undocumented feature.
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ID Product Comp Assignee Status Resolution Summary Changed
59092 Tomcat C isapi dev RESO DUPL Shutdown of ISAPI filter leads to infinite wait and hangs whole IIS 2016-09-12
59334 Tomcat C isapi dev RESO DUPL .NET Application Pools requests hang because Jakarta/Tomcat uses a Named Mutex that is currently owned by a different process 2016-09-12
2 bugs found.

as

File a new bug in the "isapi" component of the "Tomcat Connectors" product