1 . Because get method corresponding to CMR field of bean will return a reference to local interface or a collection of the related bean. if you are using CMR, then you must have local interface. you can defined remote depedn on your need.
2. stateless can get reference to EJBObject in ejbRemove() and ejbCreate().
You can easily find the answer in Sun specification , 7.8.2, page 90.
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