hanges in v8.5
Administration changes
ü Some new required ports
ü A number of minor default setting changes
ü Information provided in the v8.5 InfoCenter
http://pic.dhe.ibm.com/infocenter/wasinfo/v8r5/topic/com.ibm.websphere.nd.doc/ae/welc_transition.html
Development changes
ü Development tool changes
ü Java7 upgrade – Java6 is the default
Breaking changes: (AWT, Internationalization, IO, JAXP, Language,Networking, Text and Utilities)
ü JPA (2)
Custom settings are provided to provide compatibility
Conversion of existing applications to Liberty
Changes in v8.0
Administration changes
ü Installation changes
ü Centralized Install Manager
ü Install Factory alternative
ü WebServer Plug-in installation and configuration
ü Java Garbage collection and dump format changes
ü Security default changes
ü Other miscellaneous changes
Development changes
ü Development tool changes
ü JEE 1.6
ü WebSphere API changes
Changes in v7.0
Administration changes
ü SessionInitiationProtocol(SIP) Migration Considerations
ü zOS Migration tool
ü Administration script required changes
ü Port usage
ü Security Migration considerations
ü Mixed version considerations
Development changes
ü Development tool change
ü JRE 6 impacts
ü JEE 5 impacts
ü WebSphere removed features
ü Increased usage of Open Source implementations included in WAS
Changes in v6.1
Administration changes
ü Administration script required changes
ü zOS Migration tool
ü Install response file format changes
ü Port usage
ü Profile directory structure
ü New administrative tool IDE
ü Migration and Feature Packs
Development changes
ü Development tool change
ü JRE 5 impacts
ü WebSphere changes and removed features
Changes in v6.0
Administration changes
ü Administration script required changes
ü Port usage
ü Profiles
ü JMS engine redesign
ü CoreGroup considerations
Development changes
ü Development tool change
ü J2EE 1.4 impacts
WebSphere API migration details
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