ORA-00162: external dbid length string is greater than maximum (string)
What triggered the Error:
An external database name with too large a length field was passed in.What should we do to fix it:
Report the problem to your external transaction coordinator vendor.
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