[hibernate-issues] [Hibernate-JIRA] Issue Comment Edited: (HHH-7196) Could not instantiate persister org.hibernate.persister.entity.SingleTableEntityPersister

[stanislav bashkirtsev (JIRA)]

    [ https://hibernate.onjira.com/browse/HHH-7196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=46065#comment-46065 ] 

stanislav bashkirtsev edited comment on HHH-7196 at 3/23/12 9:01 AM:
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Can't edit the issue anymore, but the line:
_The original exceptions is thrown in PropertyFactory on the line 288 when it appears that type variable is null._
should go after the stack trace :)

      was (Author: ctapobep):
    Can't edit the issue anymore, but the line:
_The original exceptions is thrown in PropertyFactory on the line 288 when it appears that type variable is null._
should after the stack trace :)
  
> Could not instantiate persister org.hibernate.persister.entity.SingleTableEntityPersister
> -----------------------------------------------------------------------------------------
>
>                 Key: HHH-7196
>                 URL: https://hibernate.onjira.com/browse/HHH-7196
>             Project: Hibernate ORM
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 4.1.1
>         Environment: 4.1.1, Windows XP, In Memory HSQLDB 2.2.8
>            Reporter: stanislav bashkirtsev
>              Labels: exception
>
> While mapping the OTO, I've an NPE. I'm not strong in annotations and it's possible that the mapping is wrong, but anyway I'd assume that the exception should be more explanatory:
> {code}23-Mar-2012 14:40:16 org.hibernate.annotations.common.Version <clinit>
> INFO: HCANN000001: Hibernate Commons Annotations {4.0.1.Final}
> 23-Mar-2012 14:40:16 org.hibernate.Version logVersion
> INFO: HHH000412: Hibernate Core {4.1.1}
> 23-Mar-2012 14:40:16 org.hibernate.cfg.Environment <clinit>
> INFO: HHH000206: hibernate.properties not found
> 23-Mar-2012 14:40:16 org.hibernate.cfg.Environment buildBytecodeProvider
> INFO: HHH000021: Bytecode provider name : javassist
> 23-Mar-2012 14:40:16 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
> INFO: HHH000402: Using Hibernate built-in connection pool (not for production use!)
> 23-Mar-2012 14:40:16 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
> INFO: HHH000115: Hibernate connection pool size: 20
> 23-Mar-2012 14:40:16 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
> INFO: HHH000006: Autocommit mode: false
> 23-Mar-2012 14:40:16 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
> INFO: HHH000401: using driver [org.hsqldb.jdbcDriver] at URL [jdbc:hsqldb:mem:testdb]
> 23-Mar-2012 14:40:16 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
> INFO: HHH000046: Connection properties: {user=sa, password=****}
> 23-Mar-2012 14:40:16 org.hibernate.dialect.Dialect <init>
> INFO: HHH000400: Using dialect: org.hibernate.dialect.HSQLDialect
> 23-Mar-2012 14:40:16 org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService
> INFO: HHH000399: Using default transaction strategy (direct JDBC transactions)
> 23-Mar-2012 14:40:16 org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init>
> INFO: HHH000397: Using ASTQueryTranslatorFactory
> Exception in thread "main" org.hibernate.MappingException: Could not instantiate persister org.hibernate.persister.entity.SingleTableEntityPersister
> 	at org.hibernate.persister.internal.PersisterFactoryImpl.create(PersisterFactoryImpl.java:174)
> 	at org.hibernate.persister.internal.PersisterFactoryImpl.createEntityPersister(PersisterFactoryImpl.java:148)
> 	at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:820)
> 	at org.hibernate.metamodel.source.internal.SessionFactoryBuilderImpl.buildSessionFactory(SessionFactoryBuilderImpl.java:65)
> 	at org.hibernate.metamodel.source.internal.MetadataImpl.buildSessionFactory(MetadataImpl.java:340)
> 	at poc.hibernate.Main.main(Main.java:37)
> Caused by: java.lang.NullPointerException
> 	at org.hibernate.tuple.PropertyFactory.buildStandardProperty(PropertyFactory.java:288)
> 	at org.hibernate.tuple.entity.EntityMetamodel.<init>(EntityMetamodel.java:442)
> 	at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:791)
> 	at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:460)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> 	at org.hibernate.persister.internal.PersisterFactoryImpl.create(PersisterFactoryImpl.java:163){code}
> Test Case:
> {code}@Entity
> @Table(name = "AUTHOR")
> public class Author {
>     @Id
>     @GeneratedValue
>     private Long id;
>     public Long getId() {
>         return id;
>     }
>     public void setId(Long id) {
>         this.id = id;
>     }
> }{code}
> The original exceptions is thrown in _PropertyFactory_ on the line 288 when it appears that type variable is _null_.
> {code}@Entity
> @Table(name = "BOOK")
> public class Book {
>     @Id
>     @GeneratedValue
>     private Long id;
>     @OneToOne
>     private Author author;
>     public Long getId() {
>         return id;
>     }
>     public void setId(Long id) {
>         this.id = id;
>     }
>     public Author getAuthor() {
>         return author;
>     }
>     public void setAuthor(Author author) {
>         this.author = author;
>     }
> }{code}
> {code}public class Main {
>     public static void main(String[] args) {
>         Configuration configuration = new Configuration()
>                 .setProperty("hibernate.archive.autodetection", "class")
>                 .setProperty("hibernate.connection.driver_class", "org.hsqldb.jdbcDriver")
>                 .setProperty("hibernate.dialect", "org.hibernate.dialect.HSQLDialect")
>                 .setProperty("hibernate.hbm2ddl.auto", "create")
>                 .setProperty("hibernate.connection.url", "jdbc:hsqldb:mem:testdb")
>                 .setProperty("hibernate.connection.username", "sa")
>                 .setProperty("hibernate.connection.password", "")
>                 .setProperty("connection.pool_size", "2");
>         ServiceRegistry serviceRegistry = new ServiceRegistryBuilder()
>                 .applySettings(configuration.getProperties())
>                 .buildServiceRegistry();
>         MetadataSources metadataSources = new MetadataSources(serviceRegistry);
>         metadataSources
>                 .addAnnotatedClass(Author.class)
>                 .addAnnotatedClass(Book.class);
>         SessionFactory sessionFactory = metadataSources.buildMetadata().buildSessionFactory();
>     }
> }{code}

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