CWPKI0809W: There is a failure loading the defaultKeyStore keystore. If an SSL configuration references the defaultKeyStore keystore, then the SSL configuration will fail to initialize.
CWPKI0033E: The keystore located at safkeyringhybrid://IZUSVR/IZUKeyring.IZUDFLT did not load because of the following error: Invalid keystore format
Release : 16.0
Component : ACF2 for z/OS
CWPKI0809W and CWPKI0033E are fixed by pointing to correct default keystore JCEHYBRIDRACFKS.