tlcockpit error /macOS

Patrick Gundlach patrick at
Tue Jul 9 14:05:40 CEST 2019

Hello all,

I get an error running tl2019 / tlcockpit:

$ tlmgr install tlcockpit
tlmgr: package repository (verified)
[1/2, ??:??/??:??] install: tlcockpit.x86_64-darwin [1k]
[2/2, 00:00/00:00] install: tlcockpit [16093k]
running mktexlsr ...
done running mktexlsr.
running mtxrun --generate ...
done running mtxrun --generate.
tlmgr: package log updated: /opt/texlive2019/texmf-var/web2c/tlmgr.log

~$ tlcockpit 
Error: Unable to initialize main class TLCockpit.ApplicationMain
Caused by: java.lang.NoClassDefFoundError: javafx/event/EventTarget

macOS 10.14


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