[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-6943) hbm with xsd is not working

[nick (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-6943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=45018#comment-45018 ] 

nick commented on HHH-6943:
---------------------------

Hi Gail...
           The Service thing is pretty new for us, now hibernate is totally confusing and not have enough documentation to help developer. Can you please give me an example or any link which will give a clear idea of how to register a custom event listener in Hibernate 4 would be helpful.



> hbm with xsd is not working
> ---------------------------
>
>                 Key: HHH-6943
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-6943
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core, metamodel
>    Affects Versions: 4.0.0.Final
>         Environment: Hibernate 4.0.0 Final + JBoss AS 7 + PostgreSQL
>            Reporter: nick
>             Fix For: 5.0.0
>
>         Attachments: Accountdetailkey.hbm.xml, Bank.hbm.xml, hibernate.cfg.xml, hibernate.cfg.xml
>
>
> While using any of the following xsd in hbm.xml 
> <hibernate-mapping xmlns="http://www.hibernate.org/xsd/hibernate-mapping"
> 				   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> 				   xsi:schemaLocation="http://www.hibernate.org/xsd/hibernate-mapping http://www.hibernate.org/xsd/hibernate-mapping/hibernate-mapping-4.0.xsd">
> Or
> <hibernate-mapping xmlns="http://www.hibernate.org/xsd/hibernate-mapping"
> 				   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> 				   xsi:schemaLocation="http://www.hibernate.org/xsd/hibernate-mapping hibernate-mapping-4.0.xsd">
> or
> <hh:hibernate-mapping xmlns:hh="http://www.hibernate.org/xsd/hibernate-mapping"
> 				   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> 				   xsi:schemaLocation="http://www.hibernate.org/xsd/hibernate-mapping hibernate-mapping-4.0.xsd">
> Its throwing the following error
> Caused by: java.lang.NullPointerException
> 	at org.hibernate.metamodel.source.hbm.ColumnSourceImpl.isUnique(ColumnSourceImpl.java:109) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.source.binder.Binder.makeColumn(Binder.java:1091) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.source.binder.Binder.bindRelationalValues(Binder.java:1023) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.source.binder.Binder.doBasicSingularAttributeBindingCreation(Binder.java:747) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.source.binder.Binder.bindSimpleIdentifier(Binder.java:331) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.source.binder.Binder.bindIdentifier(Binder.java:314) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.source.binder.Binder.makeRootEntityBinding(Binder.java:183) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.source.binder.Binder.createBasicEntityBinding(Binder.java:159) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.source.binder.Binder.doCreateEntityBinding(Binder.java:147) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.source.binder.Binder.createEntityBinding(Binder.java:132) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.source.binder.Binder.processEntityHierarchy(Binder.java:108) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.source.hbm.HbmMetadataSourceProcessorImpl.processMappingMetadata(HbmMetadataSourceProcessorImpl.java:88) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.source.internal.MetadataImpl.bindMappingMetadata(MetadataImpl.java:195) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.source.internal.MetadataImpl.<init>(MetadataImpl.java:165) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.source.internal.MetadataBuilderImpl.buildMetadata(MetadataBuilderImpl.java:83) [hibernate-core-4.0.0.Final.jar:]
> 	at org.hibernate.metamodel.MetadataSources.buildMetadata(MetadataSources.java:112) [hibernate-core-4.0.0.Final.jar:]
> I'm attaching one of my hbm file which creating this error.

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