org.hibernate.id.IdentifierGenerationException: null id generated for:class org.openxava.educational.model.Student

openxava | pearlbuk | 1 decade ago
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    Openxava2.0.2 with MySQL

    openxava | 1 decade ago | pearlbuk
    org.hibernate.id.IdentifierGenerationException: null id generated for:class org.openxava.educational.model.Student
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    Stack Overflow | 2 months ago | user122090
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    org.hibernate.id.IdentifierGenerationException: null id generated for:class iland.hbm.BillProductDetails
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    Stack Overflow | 6 years ago | Mike Lively
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    Root Cause Analysis

    1. org.hibernate.id.IdentifierGenerationException

      null id generated for:class org.openxava.educational.model.Student

      at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId()
    2. Hibernate
      SessionImpl.save
      1. org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:95)
      2. org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:186)
      3. org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:33)
      4. org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:175)
      5. org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:27)
      6. org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
      7. org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:530)
      8. org.hibernate.impl.SessionImpl.save(SessionImpl.java:518)
      9. org.hibernate.impl.SessionImpl.save(SessionImpl.java:514)
      9 frames
    3. org.openxava.model
      MapFacade.create
      1. org.openxava.model.impl.HibernatePersistenceProvider.persist(HibernatePersistenceProvider.java:33)
      2. org.openxava.model.impl.BasePOJOPersistenceProvider.create(BasePOJOPersistenceProvider.java:155)
      3. org.openxava.model.impl.MapFacadeBean.create(MapFacadeBean.java:629)
      4. org.openxava.model.impl.MapFacadeBean.create(MapFacadeBean.java:38)
      5. org.openxava.model.MapFacade.create(MapFacade.java:73)
      5 frames
    4. org.openxava.actions
      SaveAction.execute
      1. org.openxava.actions.SaveAction.execute(SaveAction.java:24)
      1 frame
    5. org.openxava.controller
      ModuleManager.execute
      1. org.openxava.controller.ModuleManager.executeAction(ModuleManager.java:309)
      2. org.openxava.controller.ModuleManager.executeAction(ModuleManager.java:238)
      3. org.openxava.controller.ModuleManager.execute(ModuleManager.java:205)
      3 frames