0 IceUtil::NullHandleException::NullHandleException(char const*, int) in libIceUtil.3.7.0.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