What triggered the Error:
The closing of a file, which is used by a data access method, has failed. This error usually indicates memory corruption or a system error.What should we do to fix it:
Enable Oracle Net tracing and examine the trace file to see exactly what error occurred.
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