1. If I want to upgrade hibernate 3 to hibernate 4, what spring version does it require (I am using spring frame work) ?
2. I have <filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class> If I use hibernate 4 or 5, do I have to change the "class=" part and replace it with org.springframework.orm.hibernate4.LocalSessionFactoryBean and org.springframework.orm.hibernate4.support.OpenSessionInViewFilteror can I just leave it as it is since it may be back compatible ?
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