NZE-29052: Write buffer is not empty.
What triggered the Error:
There is an attempt to free a write buffer that is not empty.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