"IllegalArgumentException: attempt to create saveOrUpdate event with null entity" in Hibernate

Solution Verified - Updated -

Issue

  • Encountering the exception below when saving an entity

    java.lang.IllegalArgumentException: attempt to create saveOrUpdate event with null entity
        at org.hibernate.event.SaveOrUpdateEvent.<init>(SaveOrUpdateEvent.java:63)
        at org.hibernate.event.SaveOrUpdateEvent.<init>(SaveOrUpdateEvent.java:46)
        at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:529)
        at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:525)
        at org.my.co.MyDAO.createDAO(MyDAO.java:99)
        ...

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP) 5
  • Red Hat JBoss Service Oriented Architecture Platform (SOAP) 5
  • Hibernate 3

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