NZE-29047: Mismatch in Transport Layer Security extension
What triggered the Error:
Neither side can agree on a TLS extension.What should we do to fix it:
Enable Oracle Net tracing and attempt the connection again. Contact Oracle customer support with the trace output.
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