NZE-28869: Peer's certificate is expired.
What triggered the Error:
The certificate being used to authenticate a client or server has expired.What should we do to fix it:
Obtain a new certificate, which has not expired, and attempt the connection again.
If this was not sufficient go over to:
Oracle Official Support Knowledge Center
Or maybe those geeks at: StackOverflow Board
Or maybe those geeks at: StackOverflow Board