JPA Probleme mit Wechsel von EclipseLink auf Hibernate

R

Rallenaldo

Mitglied
Hallo.

Ich habe mit Java EE eine Webanwendung entwickelt, die aktuell auf dem Glassfish läuft. Bisher lief die Anwendung ohne Probleme und ich konnte auch mit einer MySQL Datenbank arbeiten. Da ich nun aber Hibernate Search verwenden will, muss ich auch den PersistenceProvider von EclipseLink auf Hibernate umstellen.

Wenn ich den PersistenceProvider aber nun auf Hibernate umstelle, funktioniert meine Anwendung nicht mehr. Es erscheint folgender StackTrace:

Code: 
Information:   HHH000204: Processing PersistenceUnitInfo [
	name: ZerrendaPU
	...]
Information:   HHH000412: Hibernate Core {4.3.9.Final}
Information:   HHH000206: hibernate.properties not found
Information:   HHH000021: Bytecode provider name : javassist
Information:   HCANN000001: Hibernate Commons Annotations {4.0.5.Final}
Information:   HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect
Information:   HHH000397: Using ASTQueryTranslatorFactory
Information:   HSEARCH000034: Hibernate Search 5.2.0.Final
Schwerwiegend:   Exception while invoking class org.glassfish.persistence.jpa.JPADeployer prepare method
Schwerwiegend:   javax.persistence.PersistenceException: [PersistenceUnit: ZerrendaPU] Unable to build Hibernate SessionFactory
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.persistenceException(EntityManagerFactoryBuilderImpl.java:1249)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.access$600(EntityManagerFactoryBuilderImpl.java:120)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:860)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:850)
	at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.withTccl(ClassLoaderServiceImpl.java:425)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:849)
	at org.hibernate.jpa.HibernatePersistenceProvider.createContainerEntityManagerFactory(HibernatePersistenceProvider.java:152)
	at org.glassfish.persistence.jpa.PersistenceUnitLoader.loadPU(PersistenceUnitLoader.java:199)
	at org.glassfish.persistence.jpa.PersistenceUnitLoader.<init>(PersistenceUnitLoader.java:107)
	at org.glassfish.persistence.jpa.JPADeployer$1.visitPUD(JPADeployer.java:223)
	at org.glassfish.persistence.jpa.JPADeployer$PersistenceUnitDescriptorIterator.iteratePUDs(JPADeployer.java:510)
	at org.glassfish.persistence.jpa.JPADeployer.createEMFs(JPADeployer.java:230)
	at org.glassfish.persistence.jpa.JPADeployer.prepare(JPADeployer.java:168)
	at com.sun.enterprise.v3.server.ApplicationLifecycle.prepareModule(ApplicationLifecycle.java:922)
	at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:431)
	at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:219)
	at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:491)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:527)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:523)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:356)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$2.execute(CommandRunnerImpl.java:522)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:546)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1423)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1500(CommandRunnerImpl.java:108)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1762)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1674)
	at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:534)
	at com.sun.enterprise.v3.admin.AdminAdapter.onMissingResource(AdminAdapter.java:224)
	at org.glassfish.grizzly.http.server.StaticHttpHandler.service(StaticHttpHandler.java:297)
	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:246)
	at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
	at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
	at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
	at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
	at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
	at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
	at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
	at java.lang.Thread.run(Thread.java:744)
Caused by: org.hibernate.MappingException: Could not instantiate id generator [entity-name=de.zerrenda.zerrendaee6.entities.Showcase]
	at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.createIdentifierGenerator(DefaultIdentifierGeneratorFactory.java:123)
	at org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:225)
	at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:323)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1859)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:857)
	... 45 more
Caused by: java.lang.ClassCastException: org.hibernate.id.MultipleHiLoPerTableGenerator cannot be cast to org.hibernate.id.IdentifierGenerator
	at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.createIdentifierGenerator(DefaultIdentifierGeneratorFactory.java:115)
	... 49 more
Schwerwiegend:   Exception while preparing the app
Schwerwiegend:   Exception during lifecycle processing
javax.persistence.PersistenceException: [PersistenceUnit: ZerrendaPU] Unable to build Hibernate SessionFactory
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.persistenceException(EntityManagerFactoryBuilderImpl.java:1249)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.access$600(EntityManagerFactoryBuilderImpl.java:120)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:860)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:850)
	at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.withTccl(ClassLoaderServiceImpl.java:425)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:849)
	at org.hibernate.jpa.HibernatePersistenceProvider.createContainerEntityManagerFactory(HibernatePersistenceProvider.java:152)
	at org.glassfish.persistence.jpa.PersistenceUnitLoader.loadPU(PersistenceUnitLoader.java:199)
	at org.glassfish.persistence.jpa.PersistenceUnitLoader.<init>(PersistenceUnitLoader.java:107)
	at org.glassfish.persistence.jpa.JPADeployer$1.visitPUD(JPADeployer.java:223)
	at org.glassfish.persistence.jpa.JPADeployer$PersistenceUnitDescriptorIterator.iteratePUDs(JPADeployer.java:510)
	at org.glassfish.persistence.jpa.JPADeployer.createEMFs(JPADeployer.java:230)
	at org.glassfish.persistence.jpa.JPADeployer.prepare(JPADeployer.java:168)
	at com.sun.enterprise.v3.server.ApplicationLifecycle.prepareModule(ApplicationLifecycle.java:922)
	at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:431)
	at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:219)
	at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:491)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:527)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:523)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:356)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$2.execute(CommandRunnerImpl.java:522)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:546)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1423)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1500(CommandRunnerImpl.java:108)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1762)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1674)
	at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:534)
	at com.sun.enterprise.v3.admin.AdminAdapter.onMissingResource(AdminAdapter.java:224)
	at org.glassfish.grizzly.http.server.StaticHttpHandler.service(StaticHttpHandler.java:297)
	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:246)
	at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
	at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
	at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
	at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
	at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
	at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
	at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
	at java.lang.Thread.run(Thread.java:744)
Caused by: org.hibernate.MappingException: Could not instantiate id generator [entity-name=de.zerrenda.zerrendaee6.entities.Showcase]
	at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.createIdentifierGenerator(DefaultIdentifierGeneratorFactory.java:123)
	at org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:225)
	at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:323)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1859)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:857)
	... 45 more
Caused by: java.lang.ClassCastException: org.hibernate.id.MultipleHiLoPerTableGenerator cannot be cast to org.hibernate.id.IdentifierGenerator
	at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.createIdentifierGenerator(DefaultIdentifierGeneratorFactory.java:115)
	... 49 more

Schwerwiegend:   Exception while preparing the app : [PersistenceUnit: ZerrendaPU] Unable to build Hibernate SessionFactory
org.hibernate.MappingException: Could not instantiate id generator [entity-name=de.zerrenda.zerrendaee6.entities.Showcase]
	at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.createIdentifierGenerator(DefaultIdentifierGeneratorFactory.java:123)
	at org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:225)
	at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:323)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1859)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:857)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:850)
	at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.withTccl(ClassLoaderServiceImpl.java:425)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:849)
	at org.hibernate.jpa.HibernatePersistenceProvider.createContainerEntityManagerFactory(HibernatePersistenceProvider.java:152)
	at org.glassfish.persistence.jpa.PersistenceUnitLoader.loadPU(PersistenceUnitLoader.java:199)
	at org.glassfish.persistence.jpa.PersistenceUnitLoader.<init>(PersistenceUnitLoader.java:107)
	at org.glassfish.persistence.jpa.JPADeployer$1.visitPUD(JPADeployer.java:223)
	at org.glassfish.persistence.jpa.JPADeployer$PersistenceUnitDescriptorIterator.iteratePUDs(JPADeployer.java:510)
	at org.glassfish.persistence.jpa.JPADeployer.createEMFs(JPADeployer.java:230)
	at org.glassfish.persistence.jpa.JPADeployer.prepare(JPADeployer.java:168)
	at com.sun.enterprise.v3.server.ApplicationLifecycle.prepareModule(ApplicationLifecycle.java:922)
	at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:431)
	at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:219)
	at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:491)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:527)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:523)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:356)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$2.execute(CommandRunnerImpl.java:522)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:546)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1423)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1500(CommandRunnerImpl.java:108)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1762)
	at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1674)
	at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:534)
	at com.sun.enterprise.v3.admin.AdminAdapter.onMissingResource(AdminAdapter.java:224)
	at org.glassfish.grizzly.http.server.StaticHttpHandler.service(StaticHttpHandler.java:297)
	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:246)
	at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
	at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
	at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
	at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
	at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
	at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
	at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
	at java.lang.Thread.run(Thread.java:744)
Caused by: java.lang.ClassCastException: org.hibernate.id.MultipleHiLoPerTableGenerator cannot be cast to org.hibernate.id.IdentifierGenerator
	at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.createIdentifierGenerator(DefaultIdentifierGeneratorFactory.java:115)
	... 49 more

Ich bin da ein wenig aufgeschmissen, weil ich nicht weiß, ob und welche Einstellungen ich nun in der persistence.xml Datei vornehmen muss, damit die Anwendung wieder läuft.

Meine persistence.xml Datei sieht folgendermaßen aus:

Code: 
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
  <persistence-unit name="ZerrendaPU" transaction-type="JTA">
    <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
    <jta-data-source>jdbc/zerrendadb</jta-data-source>
    <properties>
      <property name="hibernate.search.default.directory_provider" value="filesystem"/>
      <property name="hibernate.search.default.indexBase" value="/var/lucene/indexes"/>
      <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect" />
      <property name="hibernate.hbm2ddl.auto" value="update"/>
      <property name="hibernate.show_sql" value="true"/>
      <property name="hibernate.connection.driver_class"  value="com.mysql.jdbc.Driver"/>
    </properties>
  </persistence-unit>
</persistence>

An den Annotationen der vorhandenen Entities kann es ja nicht liegen oder? Schließlich haben die bisher funktioniert.
 
Hi,

Stacktrace lesen, da steht's :.)

aused by: java.lang.ClassCastException: org.hibernate.id.MultipleHiLoPerTableGenerator cannot be cast to org.hibernate.id.IdentifierGenerator

und

Could not instantiate id generator [entity-name=de.zerrenda.zerrendaee6.entities.Showcase]

Welche ID-Generatoren verwendest du?
 
Hi.

Ich verwende folgende Generatoren:

Enities:

@TableGenerator
@GeneratedValue(strategy = GenerationType.TABLE

Primärschlüssel:
@Id
@GeneratedValue

Ich kann heute Abend auch die Showcase Klasse hinzufügen, falls es benötigt wird.

Mit EclipseLink als Provider funktionierte allerdings alles.
 
Hier noch die Showcase Klasse

Code: 
@Entity
@Table(name = "showcase")
@NamedQueries(
        {... })
@TableGenerator(name="showcasePkGen", table ="id_gen", pkColumnName ="gen_name",
            valueColumnName ="gen_value", pkColumnValue="showcase_id_gen", allocationSize = 1)
public class Showcase implements Serializable {
    
    private static final long serialVersionUID = 1L;
    
    @Id
    @GeneratedValue(strategy=GenerationType.TABLE, generator="showcasePkGen")
    @Basic(optional = false)
    @Column(name = "showcaseId")
    private int showcaseId;
    
    @Column(name = "showcaseDay")
    private int showcaseDay;
    
    @Column(name = "showcaseWeek")
    private int showcaseWeek;
    
    @Column(name = "showcaseMonth")
    private int showcaseMonth;
    
    @Column(name ="showcaseOverall")
    private int showcaseOverall;
    
    @OneToOne()
    @JoinColumn(name = "companyId")
    private Company company;
    
    @OneToMany(mappedBy="promotedBy")
    private List<User> userList = new ArrayList<>();

    public Showcase() {
    }

    public Showcase(int showcaseId) {
        this.showcaseId = showcaseId;
    }

    public int getShowcaseId() {
        return showcaseId;
    }

    public void setShowcaseId(int showcaseId) {
        this.showcaseId = showcaseId;
    }

    public int getShowcaseDay() {
        return showcaseDay;
    }

    public void setShowcaseDay(int showcaseDay) {
        this.showcaseDay = showcaseDay;
    }

    public int getShowcaseWeek() {
        return showcaseWeek;
    }

    public void setShowcaseWeek(int showcaseWeek) {
        this.showcaseWeek = showcaseWeek;
    }

    public int getShowcaseMonth() {
        return showcaseMonth;
    }

    public void setShowcaseMonth(int showcaseMonth) {
        this.showcaseMonth = showcaseMonth;
    }

    public int getShowcaseOverall() {
        return showcaseOverall;
    }

    public void setShowcaseOverall(int showcaseOverall) {
        this.showcaseOverall = showcaseOverall;
    }

    public Company getCompany() {
        return company;
    }

    public void setCompany(Company company) {
        this.company = company;
    }

    public List<User> getUserList() {
        return userList;
    }

    public void setUserList(List<User> userList) {
        this.userList = userList;
    }
    

    @Override
    public String toString() {
        return "de.zerrenda.zerrenda.entities.Showcase[ showcaseId=" + showcaseId + " ]";
    }
 
Ich habe das Problem gelöst. Es lag an der Version.

Dieses Problem ist mit Hibernate 4.3.9 aufgetreten. Als ich auf 4.3.5 umgestellt habe, lief die Anwendung problemlos...
 

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