Oracle Error Message
NZE-29101: Cannot add private key bag.
Reason for the Error
The private key could not be added to the PKCS#12 object. Possible reasons are: (i) A required parameter is NULL (ii) The PKCS#12 construct is not supported (iii) An ASN.1 encoding error occurred in the certificate.
Solution
Enable tracing and attempt the connection again. Contact Oracle customer support with the trace output.