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Related Questions |
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Explain about POJOs which form a part of EJB?
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Name some common roles which EJB performs?
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Explain about the concept of EJB?
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Why did my JDBC code throw a rollback SQLException?
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My transaction aborted, but my database changes did not rollback.
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How should I obtain my JDBC connection so that it participates in the EJB container's transaction?
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Which security principal does an MDB use to connect to JMS?
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Does WebLogic support auto generating primary keys for entity beans?
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How can I avoid violating NOT NULL constraints on foreign keys that are mapped to cmr-fields?
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Why can't I call the setXXX method for a cmr-field during ejbCreate?
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Why can't I hold on to a cmr-field (Container Managed Relationship) collection and use it after the transaction commits?
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Can I use a join or intermediate table to implement a One-Many relationship?
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Can I map an entity bean to more than one table?
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What's the purpose of the delay-database-insert-until deployment descriptor element?
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When are CMP fields loaded? Is it always determined by the finders-load-bean setting? What is the default behavior?
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Can an entity bean be a listener for JMS messages?
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How big should I make the cache for a stateful session bean?
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When should I use a Stateful session bean and when should I use a servlet session?
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What is the difference between the NRU and LRU cache?
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Why did I get a LockTimedOutException?
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