in reply to Module mysteriously stopped working

Sounds like there's an loop in the inheritance chain? I don't see why else that would hang.

Please provide the contents of @ISA of that class (print "@ISA\n";), then for each listed class, the contents of that class's @ISA. etc.

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Re^2: Module mysteriously stopped working
by Anonymous Monk on May 30, 2018 at 19:25 UTC
    Turns out the module uses a system command on OSX and causes IT to hang. Once it hangs that command will not work again until the machine is rebooted. Sorry for the false alarm.

      There are few OS X monks and I think we'd all love to hear which command hanged the machine for reference and possible investigation or caution.

Re^2: Module mysteriously stopped working
by Anonymous Monk on May 30, 2018 at 18:17 UTC
    Thank you for the rapid response!
    perl -MMy::Module -le 'print @My::Module::ISA'
    Exporter