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I am trying to track down some obscure errors with multi-threading.  This involved looking at the EntityManager Metamodel but this caused an ObjectDB exception.  So I reverted to your example code in the tutorial (with class

virtual servers and one file

"> Issue Tracking system to contribute ideas and suggestions. support Support

your post a feature request was add now to the issue tracking.

are discontinued now or not maintained. But you can browse the forum, the issue tracking

">feature request in the issue tracking. support Support

>         <dirty-tracking arrays="true" />     

> ObjectDB and JPA Entity name Relationships and tracking changes

queries. Fixed a bug in collection change tracking in a new entity object.

I'm getting the ClassCastException below when querying objects. As yet I haven't been able to track down the exact circumstance in which it occurs - saving and querying objects works fine on attempts to recreate - but presumably at some point an object gets saved which objectdb