"org.hibernate.MappingException: Unknown entity" in JBoss EAP

Solution Verified - Updated -

Issue

After deployment, a JPA/Hibernate query fails with the following exception:

... org.hibernate.MappingException: Unknown entity: org.acme.service.bean.SomeEntity
        at org.hibernate.metamodel.internal.MetamodelImpl.entityPersister(MetamodelImpl.java:670)
        at org.hibernate.engine.spi.SessionFactoryImplementor.getEntityPersister(SessionFactoryImplementor.java:338)
        at org.hibernate.loader.custom.sql.SQLQueryReturnProcessor.getSQLLoadable(SQLQueryReturnProcessor.java:445)
        at org.hibernate.loader.custom.sql.SQLQueryReturnProcessor.processRootReturn(SQLQueryReturnProcessor.java:498)
        at org.hibernate.loader.custom.sql.SQLQueryReturnProcessor.processReturn(SQLQueryReturnProcessor.java:465)
        at org.hibernate.loader.custom.sql.SQLQueryReturnProcessor.process(SQLQueryReturnProcessor.java:180)
        at org.hibernate.loader.custom.sql.SQLCustomQuery.<init>(SQLCustomQuery.java:74)
        at org.hibernate.engine.query.internal.NativeQueryInterpreterStandardImpl.createQueryPlan(NativeQueryInterpreterStandardImpl.java:44)

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP)
    • 7

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