[Raze]

it also tells you to use colons instead of semicolons so use

java -Dwyvern.home="/wyvern/client/wyvern" \
-cp "wyvernclient.jar:jl020.jar:jogg-0.0.5.jar:jorbis-0.0.12.jar:mp3sp.1.5.jar:vorbisspi0.7.jar" \
wyvern.client.Client