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NoPersistenceProvider Found if app is Starting Without -clean Parameter [message #1807007]

Tue, 21 May 2019 04:46

Eclipse User

We have an Eclipse RCP app using Eclipselink as a database engine.

Strangely, when starting the app a second time *without* the -clean parameter, we get a NoPersistenceProviderFound Exception.

If I understand correctly, then the -clean parameter will tell OSGi to dismiss it's cache.

We have tried
1) embedding the eclipselink, persistence and derby jars inside our db plugin and also
2) providing them via a target platform as osgi bundles.
The result remains the same.

How could OSGi-caching affect the loading of a persistence provider?

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