Finalize jar portability fixes. r=hsivonen
Finalize jar portability fixes. r=hsivonen

tripu/validator,validator/validator,takenspc/validator,tripu/validator,sammuelyee/validator,validator/validator,validator/validator,takenspc/validator,YOTOV-LIMITED/validator,YOTOV-LIMITED/validator,validator/validator,YOTOV-LIMITED/validator,YOTOV-LIMITED/validator,sammuelyee/validator,sammuelyee/validator,tripu/validator,takenspc/validator,validator/validator,tripu/validator,YOTOV-LIMITED/validator,takenspc/validator,sammuelyee/validator,tripu/validator,sammuelyee/validator,takenspc/validator