NZE-28752: data source initialization failure
What triggered the Error:
A data source failed to initialize. Frequently, this error is caused by the exhaustion of system resources.What should we do to fix it:
Enable Oracle Net tracing to determine the exact cause of the error.
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