Error while running singa on mesos in fully distributed mode

Log file created at: 2016/06/17 10:00:43
Running on machine: ip-172-31-52-12
Log line format: [IWEF]mmdd hh:mm:ss.uuuuuu threadid file:line] msg
I0617 10:00:43.202184 2751 zk_service.cc:215] GLOBAL_WATCHER connected to zookeeper successfully!
W0617 10:00:43.203711 2742 zk_service.cc:109] zookeeper node /singa already exists
W0617 10:00:43.205016 2742 zk_service.cc:109] zookeeper node /singa/app already exists
W0617 10:00:43.206166 2742 zk_service.cc:109] zookeeper node /singa/app/job-0000000017 already exists
W0617 10:00:43.207147 2742 zk_service.cc:109] zookeeper node /singa/app/job-0000000017/group already exists
W0617 10:00:43.208237 2742 zk_service.cc:109] zookeeper node /singa/app/job-0000000017/proc already exists
W0617 10:00:43.209300 2742 zk_service.cc:109] zookeeper node /singa/app/job-0000000017/proc-lock already exists
F0617 10:00:43.862246 2742 socket.cc:98] Check failed: port != -1 (-1 vs. -1) tcp://localhost:*