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One to Many Mapping : org.hibernate.MappingException: Association references unmapped class

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i'm having 2 entity Student and Address trying to do 12M




i'm getting followin problem Log

INFO: Reading mappings from resource : com/hbm/student.hbm.xml
Nov 30, 2011 12:56:11 AM org.hibernate.cfg.HbmBinder bindRootPersistentClassCommonValues
INFO: Mapping class: com.home.student.Student -> STUDENT
Nov 30, 2011 12:56:11 AM org.hibernate.cfg.Configuration doConfigure
INFO: Configured SessionFactory: null
Exception in thread "main" org.hibernate.MappingException: Association references unmapped class: com.home.student.Address
at org.hibernate.cfg.HbmBinder.bindCollectionSecondPass(
at org.hibernate.cfg.HbmBinder$CollectionSecondPass.secondPass(
at org.hibernate.cfg.CollectionSecondPass.doSecondPass(
at org.hibernate.cfg.Configuration.secondPassCompile(
at org.hibernate.cfg.Configuration.buildSessionFactory(
at com.home.student.Demo.main(
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is your com/hbm/address.hbm.xml in the same location as com/hbm/student.hbm.xml and is it declared in your hibernate,cfg.xml?
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