LibreOffice 4.1.4 will not open on OS X Mavericks

The app loads, displays a blank window, and quits “unexpectedly”. I installed LibreOffice 4.1.4 on OS X Mavericks (10.9.1). I had an earlier version of LibreOffice on this machine and deleted the .app file some time ago; apparently I didn’t get everything. How do I uninstall 4.1.4 completely, so I can re-install and get it working? Also, I think I need a Java runtime. Any particular version? Thanks in advance, John

See also: How do I uninstall LibreOffice 4.1 from Mac OSX Mavericks?

shortly after installing OS X Mavericks i update libreoffice - just download new version and replace old one (when You drag new app, it ask replace or keep both). Everything works fine.
I did not instal somthing special after instaling mavericks, but it keep all my apps, so i actualy dont know aout java…