Read image from ORDImage column.

I want to retrieve image from table with ORDImage column in PL/SQL but receive the following error:
declare
src BLOB;
begin
select stockphotos.photo.getcontent into src from stockphotos
where photo_id = 1 for update;
end;
ERROR at line 1:
ORA-03113: end-of-file on communication channel
Thanks.

Please look at:
Oracle9i by Example Series
The Oracle9i by Example Series provides hands-on step-by-step instructions on how to implement technological solutions to business problems. The section "Manage Content in the Database" in the "Release 2" series should be of special interest.
http://otn.oracle.com/sample_code/products/intermedia/content.html

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