I created HHH-10262 with a testcase but am also posting here in case I can get some support or a solution.
We're migrating an app from EE6 to EE7 and Glassfish/Payara 4.1 mandates us to update Hibernate to a JPA2-compliant implementation. We still had Hibernate 3.6.10 previously and we used the good old Criteria API. We also have EJB3 and CDI in our legacy code, and the database is Derby 10.10 (dialect TenSeven used). the JDK is Oracle's v1.8.0_60.
So we were compelled to bump to 4.3.11, and, facing the issue below, we tried with 5.0.2 without success.
One of the entities has an Enum(String) PK. It used to work well with Hibernate 3.6 as per ANN-744:
Code:
@Entity
@Table(name="status")
public class Status {
private Organ organ;
private boolean active;
public Status() {}
public Status(Organ organ, boolean active) { this.organ = organ; this.active = active; }
@Id
@GeneratedValue(generator="assignedGen")
@GenericGenerator(name="assignedGen", strategy="assigned")
@Enumerated(EnumType.STRING)
@Column(name="organ", length=30, nullable=false)
public Organ getOrgan() { return organ; }
@Basic
@Column(name="active", nullable=false)
public boolean isActive() { return active; }
// and setters too
}
The enum itself being as simple an enum can be::
Code:
public enum Organ { AAAA, BBBB, CCCC; }
If I generate the DDL scripts, I get this, which is perfectly OK:
Code:
create table status (organ varchar(30) not null, active boolean not null, primary key (organ));
Now, when I launch the application, as soon as it fetches entities from this table, this exception is thrown:
Code:
Caused by: org.apache.derby.client.am.ColumnTypeConversionException: An attempt was made to get a data value of type 'byte[]' from a data value of type 'VARCHAR'.
at org.apache.derby.client.am.Cursor.coercionError(Unknown Source)
at org.apache.derby.client.am.Cursor.getBytes(Unknown Source)
... 124 more
2015-11-09T01:03:54.138+0100|Severe: javax.ejb.EJBException
at com.sun.ejb.containers.EJBContainerTransactionManager.processSystemException(EJBContainerTransactionManager.java:750)
at com.sun.ejb.containers.EJBContainerTransactionManager.completeNewTx(EJBContainerTransactionManager.java:700)
at com.sun.ejb.containers.EJBContainerTransactionManager.postInvokeTx(EJBContainerTransactionManager.java:505)
at com.sun.ejb.containers.BaseContainer.postInvokeTx(BaseContainer.java:4566)
at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:2074)
at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:2044)
at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:220)
at com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate.invoke(EJBLocalObjectInvocationHandlerDelegate.java:88)
at com.sun.proxy.$Proxy244.getAllStatus(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.jboss.weld.util.reflection.Reflections.invokeAndUnwrap(Reflections.java:434)
at org.jboss.weld.bean.proxy.EnterpriseBeanProxyMethodHandler.invoke(EnterpriseBeanProxyMethodHandler.java:127)
at org.jboss.weld.bean.proxy.EnterpriseTargetBeanInstance.invoke(EnterpriseTargetBeanInstance.java:56)
at org.jboss.weld.bean.proxy.InjectionPointPropagatingEnterpriseTargetBeanInstance.invoke(InjectionPointPropagatingEnterpriseTargetBeanInstance.java:67)
at org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java:100)
at com.xxxxxxxxxxxxxxx.v2.core.common.CommonManager$712301675$Proxy$_$$_Weld$EnterpriseProxy$.getAllStatus(Unknown Source)
at com.xxxxxxxxxxxxxxx.v2.site.framework.ApplicationManager.reloadStatus(ApplicationManager.java:209)
Caused by: org.hibernate.exception.DataException: could not execute query
at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:52)
at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109)
at org.hibernate.loader.Loader.doList(Loader.java:2614)
at org.hibernate.loader.Loader.doList(Loader.java:2594)
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423)
at org.hibernate.loader.Loader.list(Loader.java:2418)
at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:109)
at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1705)
at org.hibernate.internal.CriteriaImpl.list(CriteriaImpl.java:363)
Needless to say I also tried to remove the @GeneratedValue/@GenericGenerator lines to no avail.
Unless this behavior is mandated by the JPA spec, it looks to me we have a regression here.
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