The class does not have a descriptor, or a descriptor that does not use inheritance or uses a ClassExtractor for inheritance #966

Quix0r · 2016-07-29T13:21:49Z

Severity: Blocker (see reason below)
Reproduceable: Always

This message comes with following JPQL:
SELECT c FROM AbstractFoo AS c WHERE TYPE(c) IN :types
The class is annotated with:

@Entity
@Inheritance (strategy = InheritanceType.TABLE_PER_CLASS)
@NamedQueries (
{
// Some named queries
}
)
public abstract AbstractFoo implements Fooable {
// Some properties + equals()/hashCode() methods
}

Sadly I cannot simply switch to any other inheritance type as the table design is given (I write a JavaEE application for an existing database).
Then many other concrete classes expands it:

@Entity (name = "Some_000123_Foo")
@Table (name = "Some_000123_Foo")
@SuppressWarnings ("PersistenceUnitPresent")
public class SomeFooier extends AbstractFoo {

    /**
     * Serial number
     */
    @Transient
    private static final long serialVersionUID = 15_868_174_390L;

}

And tons more of these. As you can see, I try to minimize my code base, else I would have been required to duplicate all the entity properties to all concrete classes.

I already use Payara 162.

An excerpt from the backtrace:

Exception Description: Invalid Type Expression on [com.example.project.model.foo.AbstractFoo].  The class does not have a descriptor, or a descriptor that does not use inheritance or uses a ClassExtractor for inheritance
    at org.eclipse.persistence.exceptions.QueryException.invalidTypeExpression(QueryException.java:763)
    at org.eclipse.persistence.internal.expressions.ClassTypeExpression.validateNode(ClassTypeExpression.java:100)
    at org.eclipse.persistence.expressions.Expression.normalize(Expression.java:3291)
    at org.eclipse.persistence.internal.expressions.DataExpression.normalize(DataExpression.java:369)
    at org.eclipse.persistence.internal.expressions.CompoundExpression.normalize(CompoundExpression.java:224)
    at org.eclipse.persistence.internal.expressions.RelationExpression.normalize(RelationExpression.java:574)
    at org.eclipse.persistence.internal.expressions.SQLSelectStatement.normalize(SQLSelectStatement.java:1474)
    at org.eclipse.persistence.internal.queries.ExpressionQueryMechanism.buildNormalSelectStatement(ExpressionQueryMechanism.java:550)
    at org.eclipse.persistence.internal.queries.ExpressionQueryMechanism.prepareSelectAllRows(ExpressionQueryMechanism.java:1722)
    at org.eclipse.persistence.queries.ReadAllQuery.prepareSelectAllRows(ReadAllQuery.java:885)
    at org.eclipse.persistence.queries.ReadAllQuery.prepare(ReadAllQuery.java:816)
    at org.eclipse.persistence.queries.DatabaseQuery.checkPrepare(DatabaseQuery.java:666)
    at org.eclipse.persistence.queries.ObjectLevelReadQuery.checkPrepare(ObjectLevelReadQuery.java:911)
    at org.eclipse.persistence.queries.DatabaseQuery.checkPrepare(DatabaseQuery.java:615)
    at org.eclipse.persistence.internal.jpa.QueryImpl.getDatabaseQueryInternal(QueryImpl.java:342)
    at org.eclipse.persistence.internal.jpa.EntityManagerImpl.createNamedQuery(EntityManagerImpl.java:1135)
    at org.eclipse.persistence.internal.jpa.EntityManagerImpl.createNamedQuery(EntityManagerImpl.java:1155)
    at com.sun.enterprise.container.common.impl.EntityManagerWrapper.createNamedQuery(EntityManagerWrapper.java:537)
    at com.example.project.model.foo.ReportsCustomerSessionBean.fetchSelectedCustomerStatistics(ReportsCustomerSessionBean.java:179)
    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:498)
    at org.glassfish.ejb.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1081)
    at org.glassfish.ejb.security.application.EJBSecurityManager.invoke(EJBSecurityManager.java:1153)
    at com.sun.ejb.containers.BaseContainer.invokeBeanMethod(BaseContainer.java:4789)
    at com.sun.ejb.EjbInvocation.invokeBeanMethod(EjbInvocation.java:656)
    at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)
    at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:608)
    at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73)
    at org.jboss.weld.ejb.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:52)
    at sun.reflect.GeneratedMethodAccessor276.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:883)
    at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)
    at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:608)
    at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.doCall(SystemInterceptorProxy.java:163)
    at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.aroundInvoke(SystemInterceptorProxy.java:140)
    at sun.reflect.GeneratedMethodAccessor277.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:883)
    at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)
    at com.sun.ejb.containers.interceptors.InterceptorManager.intercept(InterceptorManager.java:369)
    at com.sun.ejb.containers.BaseContainer.__intercept(BaseContainer.java:4761)
    at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:4749)
    at com.sun.ejb.containers.EJBObjectInvocationHandler.invoke(EJBObjectInvocationHandler.java:205)
    at com.sun.ejb.containers.EJBObjectInvocationHandlerDelegate.invoke(EJBObjectInvocationHandlerDelegate.java:79)
    at com.sun.proxy.$Proxy354.fetchSelectedCustomerStatistics(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:498)
    at com.sun.corba.ee.impl.presentation.rmi.ReflectiveTie.dispatchToMethod(ReflectiveTie.java:143)
    at com.sun.corba.ee.impl.presentation.rmi.ReflectiveTie._invoke(ReflectiveTie.java:173)
    at com.sun.corba.ee.impl.protocol.ServerRequestDispatcherImpl.dispatchToServant(ServerRequestDispatcherImpl.java:528)
    at com.sun.corba.ee.impl.protocol.ServerRequestDispatcherImpl.dispatch(ServerRequestDispatcherImpl.java:199)
    at com.sun.corba.ee.impl.protocol.MessageMediatorImpl.handleRequestRequest(MessageMediatorImpl.java:1549)
    at com.sun.corba.ee.impl.protocol.SharedCDRClientRequestDispatcherImpl.marshalingComplete(SharedCDRClientRequestDispatcherImpl.java:119)
    at com.sun.corba.ee.impl.protocol.ClientDelegateImpl.invoke(ClientDelegateImpl.java:258)
    at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.privateInvoke(StubInvocationHandlerImpl.java:198)
    at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.invoke(StubInvocationHandlerImpl.java:150)
    at com.sun.corba.ee.impl.presentation.rmi.codegen.CodegenStubBase.invoke(CodegenStubBase.java:226)

The text was updated successfully, but these errors were encountered:

Quix0r · 2016-08-10T14:05:59Z

Bump, because it is always reproduceable and is a blocker (I cannot change database layout).

mikecroft · 2016-08-12T11:44:36Z

Hi, sorry for the delay! We haven't forgotten about this issue, we're just in a particularly busy time of the year at the moment. Do you have a simple reproducer we could use to help speed things up?

Quix0r · 2016-08-15T07:48:15Z

Okay, maybe I can write some, my posting may contain a basic one. Just add a few properties (class fields) to the abstract POJO and let it persist. Then implement an EJB with a named query with TYPE(someAliasOrBean) = :somePlaceholder and you should get the same message.

Oh, I have one more (other) bug in the pipeline.

mikecroft · 2016-08-15T08:23:15Z

Thanks, that would be a huge help!

Quix0r · 2016-08-16T14:28:01Z

Sorry, running out of hands here.

Quix0r · 2016-08-23T07:35:52Z

As I said above, it is some easy to reproduce:

Take my example above and make to a real entity/class (compileable and with at least 1-2 properties/class fields with public getter/setter)
Try to let the JPA create them in a database.
Run the named query on it with that said TYPE statement

Sorry, I have so much to do here, I cannot write a test case for you here.

mikecroft · 2016-08-23T15:30:21Z

OK, no problem, we'll do our best to move it forward as quick as we can

Quix0r · 2016-08-26T14:39:51Z

Thank you, very much.

Quix0r · 2016-09-03T15:10:52Z

Sorry to say but this is getting urgent. :-(

lprimak · 2016-09-03T18:20:58Z

@Quix0r Did you by any chance raise this issue with EclipseLink team?
At first glance, this seems to be an issue with EclipseLink

mikecroft · 2016-09-05T11:44:17Z

Sorry it's taken a while @Quix0r. We are, unfortunately, unable to give any guarantees or SLAs on issues raised via GitHub, since we always have to prioritise work for paying customers (we couldn't fund any work if we didn't!). If you get in touch with us, we can give you some details on pricing for a support contract where you would get SLAs on tickets and access to our customer-only patch releases so, once an issue has been fixed and merged into the codebase, you wouldn't have to wait more than a month to get a supported build (as opposed to only getting releases once a quarter normally).

Quix0r · 2016-09-05T12:42:07Z

@lprimak Okay, I can report it there and link to here. :-)
@mikecroft I understand this.

Maybe worth updating EclipseLink to latest (2.6.3 on download page versus 2.6 in Payara) version? And what we talking about? Do I have to wait a month or year to have this fixed? And maybe I'm not the only one with this bug around. Sadly you cannot easily switch to e.g. Hibernate with Payara/GF because it simply doesn't work. Also switching to WildFly is not painless. :-(

mikecroft · 2016-09-05T13:20:25Z

The next public release will be the 2016 Q4 (164) release, which is currently targeted to early November. The version of Eclipselink in Payara is a patched 2.6.2.

If the bug is in Eclipselink like @lprimak says, then let us know on this ticket and we will get it into the next public release as soon as it's made available by Eclipselink.

smillidge · 2016-09-07T09:25:56Z

Have you thought about dropping down into Native SQL to execute the query you wanted?

Quix0r · 2016-09-07T11:13:29Z

No, the query runs over more than one table and cannot be joined.

smillidge · 2016-09-07T12:10:47Z

You would need to use a Union.

OndroMih · 2016-12-23T14:31:42Z

@Quix0r, can you try if Payara 164 fixes the behavior?
We haven't had the time to create the testing app to reproduce.

If it is not fixed, I recommend to try with Hibernate - you can bundle it in your application as suggested here: How To configure Hibernate as a JPA provider

mikecroft · 2017-03-24T12:51:19Z

@Quix0r Payara 171 is now available, can you try to reproduce with the latest version?

Quix0r · 2017-03-24T22:00:42Z

Okay, had not been developing JavaEE recently. Will try to reproduce with it.

mikecroft · 2017-07-04T07:30:01Z

Is this still an issue @Quix0r?

Quix0r · 2018-03-29T18:32:19Z

Sorry, no longer employed with them. Still a strange database layout (even the main administrator said that!). So never mind.

Quix0r changed the title ~~menu The class does not have a descriptor, or a descriptor that does not use inheritance or uses a ClassExtractor for inheritance~~ The class does not have a descriptor, or a descriptor that does not use inheritance or uses a ClassExtractor for inheritance Jul 29, 2016

mikecroft added 0:Triaged labels Aug 12, 2016

mikecroft added the PR: TESTS REQUIRED PR Requires Tests to be merged label Sep 5, 2016

fturizo assigned OndroMih Dec 30, 2016

lprimak added the requestor unresponsive (1) label Feb 5, 2017

mikecroft added requestor unresponsive (2) and removed requestor unresponsive (1) labels Mar 24, 2017

mikecroft removed the requestor unresponsive (2) label Mar 30, 2017

smillidge added the requestor unresponsive (2) label Mar 5, 2018

smillidge closed this as completed Mar 18, 2018

fturizo removed the 0:Triaged label Mar 18, 2018

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The class does not have a descriptor, or a descriptor that does not use inheritance or uses a ClassExtractor for inheritance #966

The class does not have a descriptor, or a descriptor that does not use inheritance or uses a ClassExtractor for inheritance #966

Quix0r commented Jul 29, 2016 •

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smillidge commented Sep 7, 2016

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Quix0r commented Mar 24, 2017

mikecroft commented Jul 4, 2017

Quix0r commented Mar 29, 2018

The class does not have a descriptor, or a descriptor that does not use inheritance or uses a ClassExtractor for inheritance #966

The class does not have a descriptor, or a descriptor that does not use inheritance or uses a ClassExtractor for inheritance #966

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