[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2444) discriminator type="integer" blows up

[Mihail Fridliand (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_26589 ] 

Mihail Fridliand commented on HHH-2444:
---------------------------------------

The problem is in your mapping file: you have not specified a discriminator value for the base class

<class name="com.hytaps.dataDictionary.FieldDescription" table="field_description" schema="metadata" mutable="false">

An appropriate discriminator-value is missing. In this case, Hibernate tries to use the full qualified class name "com.hytaps.dataDictionary.FieldDescription" and gets messed.  

> discriminator type="integer" blows up
> -------------------------------------
>
>                 Key: HHH-2444
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2444
>             Project: Hibernate3
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.2.2
>         Environment: Hibernate 3.2.2, Postgresql 8.2
>            Reporter: Mark Grand
>         Attachments: z.cfg.xml, z.hbm.xml
>
>
> If the type of discriminator is integer, SessionFactoryImpl.<init> blows up with
> org.hibernate.MappingException: Could not format discriminator value to SQL string
> ...
> Caused by: java.lang.NumberFormatException: For input string: "com.hytaps.dataDictionary.FieldDescription"
> Here is the full log:
> [main] INFO com.hytaps.main.Z - Entering main method.
> [main] INFO com.hytaps.recordManager.HibernateSessionFactory - Creating hibernate session factory.
> [main] INFO org.hibernate.cfg.Environment - Hibernate 3.2.2
> [main] INFO org.hibernate.cfg.Environment - hibernate.properties not found
> [main] INFO org.hibernate.cfg.Environment - Bytecode provider name : cglib
> [main] INFO org.hibernate.cfg.Environment - using JDK 1.4 java.sql.Timestamp handling
> [main] INFO org.hibernate.cfg.Configuration - configuring from resource: /z.cfg.xml
> [main] INFO org.hibernate.cfg.Configuration - Configuration resource: /z.cfg.xml
> [main] INFO org.hibernate.cfg.Configuration - Reading mappings from resource : com/hytaps/dataDictionary/z.hbm.xml
> [main] INFO org.hibernate.cfg.HbmBinder - Mapping class: com.hytaps.dataDictionary.FieldDescription -> field_description
> [main] INFO org.hibernate.cfg.HbmBinder - Mapping subclass: com.hytaps.dataDictionary.TimeFieldDescription -> field_description
> [main] INFO org.hibernate.cfg.HbmBinder - Mapping class join: com.hytaps.dataDictionary.TimeFieldDescription -> time_field_description
> [main] INFO org.hibernate.cfg.HbmBinder - Mapping subclass: com.hytaps.dataDictionary.ColorFieldDescription -> field_description
> [main] INFO org.hibernate.cfg.HbmBinder - Mapping class join: com.hytaps.dataDictionary.ColorFieldDescription -> color_field_description
> [main] INFO org.hibernate.cfg.Configuration - Configured SessionFactory: null
> [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - Using Hibernate built-in connection pool (not for production use!)
> [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - Hibernate connection pool size: 20
> [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - autocommit mode: false
> [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - using driver: org.postgresql.Driver at URL: jdbc:postgresql://127.0.0.1:5432/hytaps_db
> [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - connection properties: {user=hytaps, password=****}
> [main] INFO org.hibernate.cfg.SettingsFactory - RDBMS: PostgreSQL, version: 8.2.0
> [main] INFO org.hibernate.cfg.SettingsFactory - JDBC driver: PostgreSQL Native Driver, version: PostgreSQL 8.2 JDBC3 with SSL (build 504)
> [main] INFO org.hibernate.dialect.Dialect - Using dialect: org.hibernate.dialect.PostgreSQLDialect
> [main] INFO org.hibernate.transaction.TransactionFactoryFactory - Using default transaction strategy (direct JDBC transactions)
> [main] INFO org.hibernate.transaction.TransactionManagerLookupFactory - No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)
> [main] INFO org.hibernate.cfg.SettingsFactory - Automatic flush during beforeCompletion(): disabled
> [main] INFO org.hibernate.cfg.SettingsFactory - Automatic session close at end of transaction: disabled
> [main] INFO org.hibernate.cfg.SettingsFactory - JDBC batch size: 15
> [main] INFO org.hibernate.cfg.SettingsFactory - JDBC batch updates for versioned data: disabled
> [main] INFO org.hibernate.cfg.SettingsFactory - Scrollable result sets: enabled
> [main] INFO org.hibernate.cfg.SettingsFactory - JDBC3 getGeneratedKeys(): disabled
> [main] INFO org.hibernate.cfg.SettingsFactory - Connection release mode: auto
> [main] INFO org.hibernate.cfg.SettingsFactory - Default batch fetch size: 1
> [main] INFO org.hibernate.cfg.SettingsFactory - Generate SQL with comments: disabled
> [main] INFO org.hibernate.cfg.SettingsFactory - Order SQL updates by primary key: disabled
> [main] INFO org.hibernate.cfg.SettingsFactory - Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
> [main] INFO org.hibernate.hql.ast.ASTQueryTranslatorFactory - Using ASTQueryTranslatorFactory
> [main] INFO org.hibernate.cfg.SettingsFactory - Query language substitutions: {}
> [main] INFO org.hibernate.cfg.SettingsFactory - JPA-QL strict compliance: disabled
> [main] INFO org.hibernate.cfg.SettingsFactory - Second-level cache: enabled
> [main] INFO org.hibernate.cfg.SettingsFactory - Query cache: disabled
> [main] INFO org.hibernate.cfg.SettingsFactory - Cache provider: org.hibernate.cache.NoCacheProvider
> [main] INFO org.hibernate.cfg.SettingsFactory - Optimize cache for minimal puts: disabled
> [main] INFO org.hibernate.cfg.SettingsFactory - Structured second-level cache entries: disabled
> [main] INFO org.hibernate.cfg.SettingsFactory - Statistics: disabled
> [main] INFO org.hibernate.cfg.SettingsFactory - Deleted entity synthetic identifier rollback: disabled
> [main] INFO org.hibernate.cfg.SettingsFactory - Default entity-mode: pojo
> [main] INFO org.hibernate.cfg.SettingsFactory - Named query checking : enabled
> [main] INFO org.hibernate.impl.SessionFactoryImpl - building session factory
> [main] FATAL com.hytaps.main.Z - An exception is being thrown out of HytapsInstaller.main()
> org.hibernate.MappingException: Could not format discriminator value to SQL string
> 	at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:307)
> 	at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:55)
> 	at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:226)
> 	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1294)
> 	at com.hytaps.recordManager.HibernateSessionFactory.rebuildSessionFactory(HibernateSessionFactory.java:81)
> 	at com.hytaps.recordManager.HibernateSessionFactory.createSession(HibernateSessionFactory.java:61)
> 	at com.hytaps.main.Z.main(Z.java:49)
> Caused by: java.lang.NumberFormatException: For input string: "com.hytaps.dataDictionary.FieldDescription"
> 	at java.lang.NumberFormatException.forInputString(Unknown Source)
> 	at java.lang.Integer.parseInt(Unknown Source)
> 	at java.lang.Integer.<init>(Unknown Source)
> 	at org.hibernate.type.IntegerType.stringToObject(IntegerType.java:55)
> 	at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:300)
> 	... 6 more
> [main] INFO com.hytaps.main.Z - Exiting main method

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