#41 Executing HQL Query Help Needed

[Subbarao]

I did load all mapping files successfully.
When I executed a Query like
1.from Device
2.Select * from Device
it throws an exception...

java.lang.NullPointerException
at
net.sf.hibernate.cfg.Binder.getTypeFromXML(Binder.java:781)
at net.sf.hibernate.cfg.Binder.bindValue(Binder.java:354)
at
net.sf.hibernate.cfg.Binder.bindIntegerValue(Binder.java:507)
at
net.sf.hibernate.cfg.Binder.bindListSecondPass(Binder.java:938)
at
net.sf.hibernate.cfg.Binder$ListSecondPass.secondPass(Binder.java:1197)
at
net.sf.hibernate.cfg.Binder$SecondPass.doSecondPass(Binder.java:1135)
at
net.sf.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:497)
at
net.sf.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:623)
at
net.sf.hibernator.HibernateConnection.query(HibernateConnection.java:185)
at
net.sf.hibernator.views.QueryView$QueryTask.run(QueryView.java:255)
at
org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:113)