Oracle
1Z0-860 · Question #255
1Z0-860 Question #255: Real Exam Question with Answer & Explanation
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Question
A developer implemented a Java class called Store. The class is annotated correctly to act as an entity. The developer created a stateless session bean to create, lookup, and remove Store objects. This session bean has a container-managed entity manager injected into field em and a removeStore method with transaction attribute REQUIRED. Given the following code : 32. public void re move St ore (St ore store) { 33. em.remove(store); 34.} What is a possible reason that an HlegalArgumentException is thrown at Line 33 when the removeStore method is called by a remote client?
Options
- AThe passed object is NOT serializable.
- BThe passed object is NOT found in the database.
- CThe passed object is NOT managed by the entity manager.
- DThere is no active transaction to manage the database removal.
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