HQL uses query.List () as a null pointer exception, but the database can detect the result
Solutions:
Check that the database dialect is configured correctly in hibernate configuration
org.hibernate.dialect.OracleDialect

<property name="hibernateProperties">
	<props>
		<prop key="hibernate.dialect">org.hibernate.dialect.OracleDialect</prop>
		<prop key="hibernate.show_sql">true</prop>
		<prop key="dynamic-update">true</prop>
		<prop key="hibernate.jdbc.batch_size">0</prop>
	</props>
</property>

Give common database dialects