@Inheritance / DiscriminatorColumn stops working in EBean 15 (upgrade from 14) #3475
Description
Given these classes:
@Entity
@Table(name = "product")
@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
@DiscriminatorColumn(name = "type", discriminatorType = DiscriminatorType.INTEGER)
public abstract class Product extends BaseWithSave<Product> implements RegistrationProduct, Transferable<ProductTO>, Auditable {
}
@Entity
@DiscriminatorValue("0")
public class OtherProduct extends Product {
}The annotations are in the jakarta.persistence package.
Expected behavior
This should work:
DB.find(Product.class).findList();Actual behavior
java.lang.UnsupportedOperationException: cannot create entity bean for abstract entity Product
at deployment.ioserver.ear//io.ebeaninternal.server.deploy.BeanDescriptor.createEntityBean(BeanDescriptor.java:1405)
at deployment.ioserver.ear//io.ebeaninternal.server.deploy.BeanDescriptor.createEntityBean2(BeanDescriptor.java:1445)
at deployment.ioserver.ear//io.ebeaninternal.server.query.SqlTreeLoadBean$Load.initBeanType(SqlTreeLoadBean.java:129)
at deployment.ioserver.ear//io.ebeaninternal.server.query.SqlTreeLoadBean$Load.initialise(SqlTreeLoadBean.java:308)
at deployment.ioserver.ear//io.ebeaninternal.server.query.SqlTreeLoadBean$Load.perform(SqlTreeLoadBean.java:320)
at deployment.ioserver.ear//io.ebeaninternal.server.query.SqlTreeLoadBean.load(SqlTreeLoadBean.java:343)
at deployment.ioserver.ear//io.ebeaninternal.server.query.SqlTreeLoadRoot.load(SqlTreeLoadRoot.java:26)
at deployment.ioserver.ear//io.ebeaninternal.server.query.CQuery.readNextBean(CQuery.java:389)
at deployment.ioserver.ear//io.ebeaninternal.server.query.CQuery.hasNext(CQuery.java:466)
at deployment.ioserver.ear//io.ebeaninternal.server.query.CQuery.readCollection(CQuery.java:495)
at deployment.ioserver.ear//io.ebeaninternal.server.query.CQueryEngine.findMany(CQueryEngine.java:343)
at deployment.ioserver.ear//io.ebeaninternal.server.query.DefaultOrmQueryEngine.findMany(DefaultOrmQueryEngine.java:126)
at deployment.ioserver.ear//io.ebeaninternal.server.core.OrmQueryRequest.findList(OrmQueryRequest.java:380)
at deployment.ioserver.ear//io.ebeaninternal.server.core.DefaultServer.findList(DefaultServer.java:1329)
at deployment.ioserver.ear//io.ebeaninternal.server.core.DefaultServer.findList(DefaultServer.java:1311)
at deployment.ioserver.ear//io.ebeaninternal.server.querydefn.DefaultOrmQuery.findList(DefaultOrmQuery.java:1489)
at deployment.integration-test.war//com.nedap.healthcare.administration.finance.TestProductFinder.simple(TestProductFinder.java:38)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)```
Somehow it tries to instantiate the abstract class or something. Continuing the investigation
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