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Migrate EJB from NW 7.0 to NW 7.4

Hi,

Understood that NW 7.4 is using EJB 3.0 and JDK 1.6 while NW 7.0 is EJB 2.1 with JDK 1.4.2. I have an application developed in NW 7.0 and now need to migrate to NW 7.4. Realized the method for EJB 2.1 and EJB 3.0 is quite different. Any method to do it or I have to recode and rebuild it at NW 7.4.

Meanwhile the EJB project actually also tied with WebDynpro Java, for the UI parts, would like to know way to migrate both at once.

Thanks.

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