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Alt key stops working on Java 9

Torsten and me are facing the problem that after a certain time the Alt key stops working: navigating becomes a problem. Quitting and restarting CafeTran solves the problem.

We're both on Java 9 now and since then the problem started.

Maybe it has something to do with switching between the apps - using the same shortcuts across various editing software?

>using the same shortcuts across various editing software?

You mean the system standard ALT+RIGHT/LEFT?

Yes, I mean the same system shortcuts which you mentioned in the first post.


This discussion seems to be old, but I've just had this problem for some time (using CafeTran Yeddi) so I came here. I was using Java 10.0.2 that I had downloaded from an Oracle page. I guess this was a JDK (Java Development Kit) which should only be used when you develop Java applications. Now I've removed it and installed a JRE (Java Runtime Environment) "Java 8 update 221" downloaded from instead of Oracle. If you don't want to develop, but only use applications, this is what you should use. I have the impression that this fixed my problem. Besides that, surprise: CafeTran also runs noticeably faster now. (This may also be due to a cleanup of a Java cache that the uninstaller suggested me to run when I removed the existing version from my Mac. Not sure if that cache can be cleaned in a different way as well).

This nasty issue has been solved in Java's OpenJDK 13.0.1. You’ll have download the DMG again and reinstall CafeTran. Make sure that you’ve made a backup from your user-created auxiliary files, like customer dictionaries, glossary definitions etc. You’ll have to copy them into the new app folder structure.
BTW: you’ll notice that your settings are kept.
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