SEVERE: Exception during lifecycle processing
java.lang.ClassCircularityError: org/hibernate/bytecode/enhance/spi/EnhancementContextWrapper
        at org.hibernate.jpa.internal.enhance.EnhancingClassTransformerImpl.transform(EnhancingClassTransformerImpl.java:50)
        at org.glassfish.persistence.jpa.ServerProviderContainerContractInfo$1.transform(ServerProviderContainerContractInfo.java:101)
        at com.sun.enterprise.loader.ASURLClassLoader.findClass(ASURLClassLoader.java:734)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:587)
        at com.sun.enterprise.loader.CurrentBeforeParentClassLoader.loadClass(CurrentBeforeParentClassLoader.java:83)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
        at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:166)
        at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata(EntityManagerFactoryBuilderImpl.java:1380)
        at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1451)
        at org.hibernate.jpa.HibernatePersistenceProvider.createContainerEntityManagerFactory(HibernatePersistenceProvider.java:142)
        at org.glassfish.persistence.jpa.PersistenceUnitLoader.loadPU(PersistenceUnitLoader.java:207)
        at org.glassfish.persistence.jpa.PersistenceUnitLoader.<init>(PersistenceUnitLoader.java:114)
        at org.glassfish.persistence.jpa.JPADeployer$1.visitPUD(JPADeployer.java:267)
        at org.glassfish.persistence.jpa.JPADeployer$PersistenceUnitDescriptorIterator.iteratePUDs(JPADeployer.java:571)
        at org.glassfish.persistence.jpa.JPADeployer.createEMFs(JPADeployer.java:286)
        at org.glassfish.persistence.jpa.JPADeployer.prepare(JPADeployer.java:183)
        at com.sun.enterprise.v3.server.ApplicationLifecycle.prepareModule(ApplicationLifecycle.java:1197)
        at org.glassfish.javaee.full.deployment.EarDeployer.prepareBundle(EarDeployer.java:301)
        at org.glassfish.javaee.full.deployment.EarDeployer.lambda$prepare$0(EarDeployer.java:164)
        at org.glassfish.javaee.full.deployment.EarDeployer.doOnBundles(EarDeployer.java:221)
        at org.glassfish.javaee.full.deployment.EarDeployer.doOnAllTypedBundles(EarDeployer.java:233)
        at org.glassfish.javaee.full.deployment.EarDeployer.doOnAllBundles(EarDeployer.java:259)
        at org.glassfish.javaee.full.deployment.EarDeployer.prepare(EarDeployer.java:162)
        at com.sun.enterprise.v3.server.ApplicationLifecycle.prepareModule(ApplicationLifecycle.java:1197)
        at com.sun.enterprise.v3.server.ApplicationLifecycle.prepare(ApplicationLifecycle.java:511)
        at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:612)
        at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:556)
        at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:552)
        at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
        at java.base/javax.security.auth.Subject.doAs(Subject.java:376)
        at com.sun.enterprise.v3.admin.CommandRunnerImpl$2.execute(CommandRunnerImpl.java:551)
        at com.sun.enterprise.v3.admin.CommandRunnerImpl$3.run(CommandRunnerImpl.java:582)
        at com.sun.enterprise.v3.admin.CommandRunnerImpl$3.run(CommandRunnerImpl.java:574)
        at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
        at java.base/javax.security.auth.Subject.doAs(Subject.java:376)
        at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:573)
        at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1497)
        at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1869)
        at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1755)
        at com.sun.enterprise.admin.cli.embeddable.DeployerImpl.deploy(DeployerImpl.java:131)
        ...

@Entity
@Table(name = "mytable")
public class MyTable extends AbstractSimpleTable<MyTablePK> {
    private static final long serialVersionUID = 1L;
    @EmbeddedId
    private MyTablePK mytablePK;
    @Column(name = "COLUMN1")
    private String column1;
    @Column(name = "COLUMN2")
    private String column2;
    
    public MyTablePK getMytablePK() {
        return sysusrPK;
    }

    public void setMytablePK(MyTablePK mytablePK) {
        this.mytablePK = mytablePK;
    }

    public String getColumn1() {
        return column1;
    }

    public void setColumn1(String column1) {
        this.column1 = column1;
    }
    
    public String getColumn2() {
        return column2;
    }

    public void setColumn2(String column2) {
        this.column2 = column2;
    }
}

@MappedSuperclass
public abstract class AbstractSimpleTable<P extends Shareable> {
    @Lob
    @Column(name = "GENERICFIELD")
    private String genericfield;
    
    public String getGenericfield() {
        return genericfield;
    }

    public void setGenericfield(String genericfield) {
        this.genericfield = genericfield;
    }
}