Migration Manual
This manual describes the procedures for migrating applications that are running on J2EE Engine 6.20 to J2EE Engine 6.40. Migration issues may occur due to:
· The different implementations of the J2EE standards in J2EE Engine 6.20 and J2EE Engine 6.40
· The new cluster architecture and service infrastructure of J2EE Engine 6.40
· The new development and software logistics
· The unavailability of an upgrade procedure from J2EE Engine 6.20 to J2EE Engine 6.40
This manual covers the following topics:
This section highlights some of the main differences of the J2EE Engine 6.40 implementations, and their effect on the migration of applications. It also describes the tools for application porting provided by the J2EE Engine 6.40.
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Porting a J2EE
Application from SAP J2EE Engine 6.20 to SAP J2EE Engine
6.40
§ Web Components
§ EJB Components
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Using
Additional/External Resources
§ Libraries
§ Services
§ Interfaces
·
Incompatibilities
Between 6.20 and 6.40
Contains the main incompatible changes between J2EE Engine 6.20 and J2EE Engine 6.40 in terms of architecture implementation, different service and application settings, or other changes regarding the J2EE Engine or application configuration and administration.
¡ General Issues
¡ System Management and Monitoring
¡ JNDI Registry Service
¡ EJB Container
¡ Web Container
¡ Transactions and Resource Handling
¡ Deploy Service
¡ Deploy Tool
¡ Security-Related Services
¡ Remote Objects Communication Services
¡ Web Services
¡ JMS Provider Service
¡ Utilities