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If I connect to an Oracle 8 database through an Oracle jdbc driver, the Tables tree cannot be expanded: If I use classes12.zip , an infinite "Please wait" icon is displayed. If I use ojdbc14.jar, an error message appears: "Unable to read the database structure; Unsupported feature". However, I can expand the Views and Procedures. I can also execute queries directly. It worked well with NetBeans 5.5. beta . I could use both the drivers mentioned above.
Please try using a 10.x version of the ojdbc14.jar driver.
I took 10.2.0.2 and it works. Thanks for your hint.
*** This issue has been marked as a duplicate of 84654 ***