Step1:tools->configure libraries->New... to enter the New Library Wizard dialog box:enter oracle for Name field,select a location from the list box for Location field.press Add... button to add Library paths,then a "Select One or More Directories" dialog box appears.Select the dirver classes in your oracle installed directory. For example:d:\oracle\ora81\jdbc\lib After doing this some .zip files displed in the Library paths filed,press OK button to complete this step.Step2:tools->enterprise setup->database drivers->add From the "Select One or More Libraries" dialog box select the library you created in step1.Press OK,OK to complete this step. Restart your jbuilder,and try again.
For example:d:\oracle\ora81\jdbc\lib
After doing this some .zip files displed in the Library paths filed,press OK button to complete this step.Step2:tools->enterprise setup->database drivers->add
From the "Select One or More Libraries" dialog box select the library you created in step1.Press OK,OK to complete this step.
Restart your jbuilder,and try again.