The application works fine with https except change richfaces skin page and login page. On these pages richfaces skin xcss file does not load at once (I have to reload the page).
Firebug shows that

Failed to load source for: https://.../a4j/s/3_3_1.GA/org/richfaces/skin.xcss/DATB/eAHT8-fpDV0-QxoACz4Cxg__
Failed to load source for: https://.../a4j/s/3_3_1.GAMETA-INF/skins/blue.xcss/DATB/eAGzsfy3PHT5DGkAEUIDyg__

With status 302 Moved Temporarily
But the links are correct. Files are there.

When the application works on http all works fine.