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Hibernate Error : org.hibernate.MappingException: Unknown entity  RSS feed

Sanghamitra Parida
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Hello Experts,

I am new to hibernate. I am getting the below error:

org.hibernate.MappingException: Unknown entity: secDemo.Publisher
at org.hibernate.impl.SessionFactoryImpl.getEntityPersister(SessionFactoryImpl.java:489)
at org.hibernate.impl.SessionImpl.getEntityPersister(SessionImpl.java:1021)
at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:83)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:184)
at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:33)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:173)
at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:27)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:69)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:429)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:424)
at secDemo.FirstHibernateProgram.main(FirstHibernateProgram.java:29)

My code goes here:

The main class code:

Could you please kind enough to tell me where I am going wrong?

Bill Gorder
Posts: 1682
Android IntelliJ IDE Linux Mac OS X Spring
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You need to specify your entities somewhere you can either add a <mapping class= to your hibernate.cfg.xml or add them using AnnotationConfiguration()

Read section 1.2
Kaustubh G Sharma
Ranch Hand
Posts: 1283
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I am having same issue.. and tried all solution mentioned over here.... but it still not working

Kaustubh G Sharma wrote:
Hello I tried to run a hibernate 2 example but getting org.hibernate.MappingException: Unknown entity: com.training.HelloWorld ... Please help. Can see my code below

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