Latest Answer: Its possible to map more than one tables to a CMP. Have a look athttp://e-docs.bea.com/wls/docs81/faq/ejb.html#260273 ...
Latest Answer: yes ...
Latest Answer: 2 types of exceptions can occur 1.System Exception - We can define some error codes the in the property file and show it to the JSP 2.Application Exception.. - We can customise the exception and show the appropriate error ...
Latest Answer: The EJB container provides services to EJB components. The services include transaction, naming, and persistence support. Transaction support An EJB container must support transactions. EJB specifications provide an approach to transaction ...
Answered by Jey on 2005-05-08 12:51:03: EJB 2.0 adds the local beans, which are accessible only from within the JVM where beans are running in. In EJB 1.1, we had to implement remote client
Latest Answer: EJB 2.0 came with new features which not available in EJB1.1 they are auto primarykey generation,EJB-query language,local interfaces,relationships. ...
Latest Answer: what is a primary key in tables used in data entry? ...
Latest Answer: we can use when we want to forward a page with in the context. using sendRedirect() method we can forward to jsp which is in another context also. And in there will be only one request procesed between client and server whereas in sendRedirect() there ...
If i throw a custom ApplicationException from a business method in Entity bean which is participating in a transaction, would the transaction be rolled back by container. Does container rolls back transaction only in case of SystemExceptions
Answer posted by Mohan on 2005-05-21 17:21:54: yes the rollback will occur
Answer posted by Mohan on 2005-05-21 18:34:01: CMP uses abstract schema to map to the physical database
Latest Answer: In cmp, the cmp bean is given an abstract schema name. In EQL you retrieve the data in a bean using these schema names. ...
Latest Answer: A Handle represents a portable reference to a remote EJB object, in that it can be serialized, passed across Java VM boundaries, and then used to reconstitute a remote reference to the same EJB object from which it was acquired. For Handle interface ...
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