0 IceUtil::NullHandleException::NullHandleException(char const*, int) in libIceUtil.3.7a0.dylib
  1 (anonymous namespace)::Thrower::fifth in client
  2 (anonymous namespace)::Thrower::forth in client
  3 (anonymous namespace)::Thrower::third in client
  4 (anonymous namespace)::Thrower::second in client
  5 (anonymous namespace)::Thrower::first in client
  6 main in client
  7 start in libdyld.dylib