[hrishikesh14]

I have a simple java project in My Eclipse 6.5.1GA.Have enabled JPA capability on the project with Toplink Essentials. I am sucessfully able to connect to Oracle Database(9.2), select the schema and table.

But when it comes to Generating Entities for the table, the MyEclipse IDE throws a Internal Error – “Error occured while generating artifacts – Unknown Oracle major version[0]. This is followed by a dialect factory stack trace.

I am using Toplink essentials, not sure why hibernate code is being executed.

PLease reply back in case anybosy has faced similar problem and resolved it.

Thanks,
Hrishikesh

[Loyal Water]

Hi,
It seems like you need to upgrade your oracle driver. If you’re using the old classes12 driver lib there appears to be an issue where OracleDriver.getMajorVersion returns 0. Upgrading to a newer version of the driver should resolve the issue.

[rmcvay]

Most people don’t realize the “12” in classes12 represents Java 1.2. For Java 1.4 and later the library is ojdbc14.jar.

[hrishikesh14]

I do have ojdbc14.jar. The error still persists. The error occur only when I try to Generate Entities from a particular oracle table. The Entities get generated correctly if i use Derby DB, but give error when I use Oracle DB. The error is not a Oracle Error, but MyEclipse Internal Error when Generate Entities Wizard is invoked. What baffles me is that i am using Toplink essentials but the error stacktrace is for Hibernate Dialect Factory. I do not have hibernat ein my project.

[Brian Fernandes]

Hrishikesh,

This was a bug in MyEclipse 6.5.x. If you upgrade to MyEclipse 6.6 or MyEclipse 7.1 (recommended) , you should be able to reverse engineer without issue.

Sorry for the inconvenience caused. Hope this helps.

[Author]

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