查询dsl生成的类无法访问用于查询的第二级元素

I am using QueryDSL with Spring Data JPA in my Java Project and have Generated files using QueryDSL maven plugin to use the QueryDSL Model classes generated by it. This works great when i use it for one level nested objects, however if i try to access the 2nd level access objects it gives a NullPointerException saving the 2nd level model object is not initialized. I am using QueryDSL with Spring Data JPA in my