Re: [hibernate-dev] Null-Pointer Exception with 5.2.14

I managed to reproduce it. Here's the bug: https://hibernate.atlassian. net/browse/HHH-12354 and here is the project to reproduce it: https://github.com/ptahchiev/hibernate-test-case-templates/tree/nlp 2018-03-01 10:49 GMT+02:00 Vlad Mihalcea <mihalcea.vlad(a)gmail.com&gt;: > Hi Petar, > > You can use this template: > > http://in.relation.to/2016/01/14/hibernate-jpa-test-case-template/ > > to create a test case that replicates the issue. You don't need to > provide all entities, > just the 4 entities that build that hierarchy you have mentioned in your > email. > > If you can replicate it, please open a Jira issue and attach the test > case so that it's easier > to investigate the cause and provide a fix. > > Thanks, > Vlad > > On Thu, Mar 1, 2018 at 10:41 AM, Petar Tahchiev <paranoiabla(a)gmail.com&gt; > wrote: > >> Hi Christian, >> >> My model has more than 250 entities big. Here's the code that throws the >> NLP: >> >> Class<?> c1 = clazz1.getMappedClass(); >> Class<?> c2 = commonPersistentClass.getMappedClass(); >> MappedSuperclass commonMappedSuperclass = null; >> >> // First we traverse up the clazz2/commonPersistentClass super types >> until we find a common type >> while ( !c2.isAssignableFrom( c1 ) ) { >> if ( commonPersistentClass == null) { >> if ( commonMappedSuperclass.getSuperPersistentClass() == null ) >> { // <------------------------ NLPEX happens here!!!!!! >> commonMappedSuperclass = >> commonMappedSuperclass.getSuperMappedSuperclass(); >> commonPersistentClass = null; >> } >> else { >> commonPersistentClass = >> commonMappedSuperclass.getSuperPersistentClass(); >> commonMappedSuperclass = null; >> } >> } >> else { >> if ( commonPersistentClass.getSuperclass() == null ) { >> commonMappedSuperclass = >> commonPersistentClass.getSuperMappedSuperclass(); >> commonPersistentClass = null; >> } >> else { >> commonPersistentClass = commonPersistentClass.getSuperclass(); >> commonMappedSuperclass = null; >> } >> } >> } >> >> As you can see the commonMappedSuperclass is not initialized and stays >> null! >> At this moment c1 is CustomerEntity and c2 is UserGroupEntity. The >> hierarchy looks like this: >> >> Principal >> / \ >> Usergroup User >> | >> Customer >> >> HTH >> >> >> >> 2018-02-28 21:52 GMT+02:00 Christian Beikov <christian.beikov(a)gmail.com >> >: >> >> > Hey, I saw the comment on the issue. Thanks for reporting. Could you >> > maybe post the model that causes this? I'd need to create a reproducer >> > to be able to analyze this further. >> > >> > >> > Mit freundlichen Grüßen, >> > ------------------------------------------------------------ >> ------------ >> > *Christian Beikov* >> > Am 28.02.2018 um 20:11 schrieb Petar Tahchiev: >> > > Hi guys, >> > > I have this exception with latest 5.2.14 (my project runs fine with >> > 5.2.13): >> > > >> > > Caused by: javax.persistence.PersistenceException: [PersistenceUnit: >> > > default] Unable to build Hibernate SessionFactory >> > > at >> > > org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImp >> > l.persistenceException(EntityManagerFactoryBuilderImpl.java:970) >> > > at >> > > org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderI >> mpl.build( >> > EntityManagerFactoryBuilderImpl.java:895) >> > > at >> > > org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceP >> > rovider.createContainerEntityManagerFactory(SpringHibernateJ >> paPersistenceP >> > rovider.java:57) >> > > at >> > > org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean. >> > createNativeEntityManagerFactory(LocalContainerEntityManagerFac >> > toryBean.java:365) >> > > at >> > > org.springframework.orm.jpa.AbstractEntityManagerFactoryBean. >> > buildNativeEntityManagerFactory(AbstractEntityManagerFactory >> Bean.java:387) >> > > at >> > > org.springframework.orm.jpa.AbstractEntityManagerFactoryBe >> > an.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:376) >> > > at >> > > org.springframework.orm.jpa.LocalContainerEntityManagerFac >> > toryBean.afterPropertiesSet(LocalContainerEntityManagerFac >> > toryBean.java:341) >> > > at >> > > org.springframework.beans.factory.support.AbstractAutowireCa >> pableBeanFac >> > tory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1769) >> > > at >> > > org.springframework.beans.factory.support.AbstractAutowireCa >> pableBeanFac >> > tory.initializeBean(AbstractAutowireCapableBeanFactory.java:1706) >> > > ... 32 more >> > > Caused by: org.hibernate.MappingException: Could not instantiate >> > persister >> > > org.hibernate.persister.entity.SingleTableEntityPersister >> > > at >> > > org.hibernate.persister.internal.PersisterFactoryImpl. >> > createEntityPersister(PersisterFactoryImpl.java:112) >> > > at >> > > org.hibernate.persister.internal.PersisterFactoryImpl. >> > createEntityPersister(PersisterFactoryImpl.java:77) >> > > at >> > > org.hibernate.metamodel.internal.MetamodelImpl. >> > initialize(MetamodelImpl.java:128) >> > > at >> > > org.hibernate.internal.SessionFactoryImpl.<init>( >> > SessionFactoryImpl.java:300) >> > > at >> > > org.hibernate.boot.internal.SessionFactoryBuilderImpl.build( >> > SessionFactoryBuilderImpl.java:460) >> > > at >> > > org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderI >> mpl.build( >> > EntityManagerFactoryBuilderImpl.java:892) >> > > ... 39 more >> > > Caused by: java.lang.NullPointerException >> > > at >> > > org.hibernate.persister.entity.AbstractPropertyMapping. >> > getSuperCollection(AbstractPropertyMapping.java:285) >> > > at >> > > org.hibernate.persister.entity.AbstractPropertyMapping.addPr >> opertyPath( >> > AbstractPropertyMapping.java:198) >> > > at >> > > org.hibernate.persister.entity.AbstractPropertyMapping. >> > initPropertyPaths(AbstractPropertyMapping.java:395) >> > > at >> > > org.hibernate.persister.entity.AbstractEntityPersister. >> > initOrdinaryPropertyPaths(AbstractEntityPersister.java:2300) >> > > at >> > > org.hibernate.persister.entity.AbstractEntityPersister. >> > initPropertyPaths(AbstractEntityPersister.java:2347) >> > > at >> > > org.hibernate.persister.entity.AbstractEntityPersister.postC >> onstruct( >> > AbstractEntityPersister.java:3906) >> > > at >> > > org.hibernate.persister.entity.SingleTableEntityPersister.<init>( >> > SingleTableEntityPersister.java:437) >> > > at sun.reflect.GeneratedConstructorAccessor94.newInstance(Unkno >> wn >> > > Source) >> > > at >> > > sun.reflect.DelegatingConstructorAccessorImpl.newInstance( >> > DelegatingConstructorAccessorImpl.java:45) >> > > at java.lang.reflect.Constructor.newInstance(Constructor.java:4 >> 23) >> > > at >> > > org.hibernate.persister.internal.PersisterFactoryImpl. >> > createEntityPersister(PersisterFactoryImpl.java:96) >> > > ... 44 more >> > > >> > > >> > > >> > > >> > > >> > >> > _______________________________________________ >> > hibernate-dev mailing list >> > hibernate-dev(a)lists.jboss.org >> > https://lists.jboss.org/mailman/listinfo/hibernate-dev >> >> >> >> >> -- >> Regards, Petar! >> Karlovo, Bulgaria. >> --- >> Public PGP Key at: >> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x19658550C3110611 >> Key Fingerprint: A369 A7EE 61BC 93A3 CDFF 55A5 1965 8550 C311 0611 >> _______________________________________________ >> hibernate-dev mailing list >> hibernate-dev(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/hibernate-dev >> > > -- Regards, Petar! Karlovo, Bulgaria. --- Public PGP Key at: http://pgp.mit.edu:11371/pks/lookup?op=get&search= 0x19658550C3110611 Key Fingerprint: A369 A7EE 61BC 93A3 CDFF 55A5 1965 8550 C311 0611