No,I have already done this, i have java 8.31

I use vuze,for the past few months I cannot reseed the torrents I download,I keep getting messages like:
connection error unknownhostexception:uknown host tracker gaytorrents ru
sometimes it happen even when I try to download and my torrents remain red or blue.I have searched through the forum bit found nothing.I am sorry if this has already been answered but I would really appreciate it if someone could please help.