The only programs, that I am using with JAVA 1.5, are JAlbum 8.28, GenealogyJ 2.4.5, and LimeWire 4.1.18 (5.1.2 won't work). I also tried it with SmartSVN v4 and 5, with no luck (possibly the error you have), but SmartSVN v4 works with Innotek JAVA 1.4.2_09, so I never bothered to try to fix it. SmartSVN v5 also works with 1.4.2_09, but the program itself has reached the limit of being useful. It seems that they have added so much absolute crap to it, that it is not usable any more.