java.lang.ClassCastException: This exception has no message.

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java.lang.ClassCastException:
at net.sf.hibernate.type.ArrayType.getElementsIterator(ArrayType.java:42)
at net.sf.hibernate.engine.Cascades.cascade(Cascades.java:276)
at net.sf.hibernate.engine.Cascades.cascade(Cascades.java:341)
at net.sf.hibernate.impl.SessionImpl.doSave(SessionImpl.java:739)
at net.sf.hibernate.impl.SessionImpl.save(SessionImpl.java:605)
at net.sf.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:1213)
at net.sf.hibernate.engine.Cascades$3.cascade(Cascades.java:88)

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