Oracle Solution for Error ora-41106

Solution for Oracle Error ORA-41106

ORA-41106: invalid argument string

: value is null

What triggered the Error:

An attempt to read the scan hostname or port failed

What should we do to fix it:

Verify pcw is running and scan is configured. Run grdcscan read_config to verify or grdcscan set_config host:port to set scan name and port.