InfoCenter Home > 3.3.1: Migrating to supported EJB specificationMigrating from Version 3.xThe EJB specification level for Version 4.0 changed from that of Version 3.x. In Version 4.0, the EJB specification level is EJB 1.1, not EJB 1.0. Changes due to the prerequisite of JDK 1.3 are also required:
Be aware that, in general, JAR files generated prior to JDK 1.3 are source and binary code compatible on a JDK 1.3 base. However, there are some incompatible cases. For further details, see: http://java.sun.com/products/jdk/1.3/compatibility.html Important: The task of deploying enterprise beans has changed significantly. Start at article 6.3 for an overview of the assembly and deployment process.
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