org.hibernate.MappingException: Could not instantiate id generator [entity-name=null]

Stack Overflow | Aditya Sawant | 2 years ago
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    HiLo generator strategy not working

    Stack Overflow | 2 years ago | Aditya Sawant
    org.hibernate.MappingException: Could not instantiate id generator [entity-name=null]
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    HiLo generator strategy not working

    codegur.us | 8 months ago
    org.hibernate.MappingException: Could not instantiate id generator [entity-name=null]
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    Failure to save object which contains a collection of components - Spring Forum

    spring.io | 10 months ago
    org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor#0' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: testingPU] Unable to build EntityManagerFactory
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    Root Cause Analysis

    1. java.lang.UnsupportedOperationException

      Support for 'hilo' generator has been removed

      at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.getIdentifierGeneratorClass()
    2. Hibernate
      BasicCollectionPersister.<init>
      1. org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.getIdentifierGeneratorClass(DefaultIdentifierGeneratorFactory.java:132)
      2. org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.createIdentifierGenerator(DefaultIdentifierGeneratorFactory.java:112)
      3. org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:259)
      4. org.hibernate.persister.collection.AbstractCollectionPersister.<init>(AbstractCollectionPersister.java:429)
      5. org.hibernate.persister.collection.BasicCollectionPersister.<init>(BasicCollectionPersister.java:57)
      5 frames
    3. Java RT
      Constructor.newInstance
      1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
      2. sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
      3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
      4. java.lang.reflect.Constructor.newInstance(Constructor.java:526)
      4 frames
    4. Hibernate
      SessionFactoryImpl.<init>
      1. org.hibernate.persister.internal.PersisterFactoryImpl.createCollectionPersister(PersisterFactoryImpl.java:152)
      2. org.hibernate.persister.internal.PersisterFactoryImpl.createCollectionPersister(PersisterFactoryImpl.java:140)
      3. org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:408)
      3 frames
    5. org.hibernate.boot
      SessionFactoryBuilderImpl.build
      1. org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:444)
      1 frame
    6. Hibernate
      Configuration.buildSessionFactory
      1. org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:708)
      2. org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:724)
      2 frames
    7. com.hbt
      HibernateTest.main
      1. com.hbt.HibernateTest.main(HibernateTest.java:35)
      1 frame