Здравствуйте Zlobec, Вы писали:

Z>Изначально с 8кой шел classes11. Он замечательно работает 1,4

Цитата из readme.txt к оракловским jdbc-драйверам (версия 8.1.7)

"...
The [ORACLE_HOME]/jdbc/lib directory contains:

— classes111.zip
Classes for use with JDK 1.1.x. It contains the JDBC driver
classes except classes necessary for NLS support in Object and
Collection types.

— nls_charset11.zip
NLS classes for use with JDK 1.1.x. It contains classes necessary
for NLS support in Object and Collection types.

— classes12.zip
Classes for use with JDK 1.2.x. It contains the JDBC driver
classes except classes necessary for NLS support in Object and
Collection types.

— nls_charset12.zip
NLS classes for use with JDK 1.2.x. It contains classes necessary
for NLS support in Object and Collection types.
...

"
По-моему все понятно.