Stratum authentication failed on cpuminer after getting a valid wallet address.

./cpuminer -a cryptonight -o stratum+tcp://jimcoin.net:3333 -u jC48diywgLvgGceGzysHUcMryo5mJEj1DVTywrjD44daJ7p4VAusE3dFfW9rhX7MpVEhGsFZwAMpuVU 9dKiMQv3F18hXvPFv -p x


Jim supporter here.