ORA-39003
unable to get count of total workers alive
Cause
Attempt to get count of total worker processes alive failed.
Action
Check the additional error messages to see what caused the failure. Correct the error, if possible, and try the operation again. If this error occurs from a Data Pump client (e.g. expdp or impdp), try the operation again. If the error occurs again, contact Oracle Customer Support and report the error.