This smells like App Nap. See http://krypted.com/mac-os-x/disable-app-nap-in-mavericks/
-hendrik On Jan 31, 2014, at 11:54, Petr Pchelko <petr.pche...@oracle.com> wrote: > Hello, Paul. > > Is this issue specific to Mavericks or it is also reproducible on 10.8? > Could you please provide some test case to reproduce? Or any Swing based > application with some background task would work? > > Thank you. > With best regards. Petr. > > 31 янв. 2014 г., в 2:47 после полудня, Paul Taylor <paul_t...@fastmail.fm> > написал(а): > >> My (java 7 based) Gui application processes digital music files, and is >> designed so it can be left unattended. I have noticed that if I leave it >> running overnight on my OSX Mavericks computer that it stops shortly after I >> leave it, only continuing when I touch the keyboard in the morning. >> >> How can I prevent this, I do not have the same problem running the >> application on a Windows 8 machine. >> >> paul >