Help about types please

Hello everyone,

Actually i'm working in a java project which attemps to storage oid data types in a postgres7.4.

Anyway, when my application tries to store an oid, it throws a sqlexception that says:

ERROR: the column «doc_cidt» is of type oid but yhe expression is of type bytea

i'll give you my thanks if someone can helpme with this problem.

PD: I also update my postgres to the 8.1 version, but it still don't works. A!, and it occurs on linux plattform (on windows it works properly)