0 IceUtil::NullHandleException::NullHandleException(char const*, int) in libIce.3.7a3.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