[jboss-user] [EJB 3.0] - Re: org.hibernate.MappingException: could not instantiate id

DaveRWood do-not-reply at jboss.com
Wed Feb 11 04:31:47 EST 2009

I had a very similar issue. I thought I'd post the cause here in case it helps anyone else when it turns up on a search.

The "does not support sequences" error went away once I'd removed the @Entity from another class that wasn't explicitly included in persistence.xml

It appears it was simply searching the classpath and picking it up.

The other class didn't have a matching DB table - which seemed to be what was causing the above, rather misleading error.

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