In WebSphere® Application
Server V8.0, the default JavaServer Faces (JSF) implementation has
changed to MyFaces.
For transitioning users: The default JavaServer
Faces implementation is now MyFaces 2.0, which provides full compliance
with the updated JSF 2.0 specification.
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Choosing the correct JSF implementation
After
updating WebSphere Application
Server, the initial state for all applications will be to use the
MyFaces 2.0 JSF implementation. The Sun Reference Implementation (RI)
is still optionally configurable for migrated applications that require
behaviors specific to this implementation.
Deprecated feature: The
RI is included in a deprecated state and only at the JSF 1.2 specification
level.
depfeat
Some examples when an application might require the
RI include, but are not limited to:
- Applications or dependant libraries that directly extend RI classes
instead of JSF API classes.
- Applications that use context parameters that are specific to
the RI and do not have an equivalent context parameter in MyFaces.
IBM JavaServer
Faces widget library
You must update widget library to version
3.1.6 or higher to enable compatibility with the changes in the JSF
2.0 specification. Obtain a compatible version of JWL by upgrading IBM Rational® Application Developer for WebSphere to 7.5.5.2 or later
or installing IBM Rational Application Developer for WebSphere V8.0.
Attention: JWL is deprecated and does not work with facelets-based
JSF pages; it only works with JSF pages that are built using the JavaServer
Pages (JSP) technology.
JSF 2.0 exception handling
The default behavior
for JSF when unexpected exceptions occur during JSF lifecycle processing
has changed. Prior to JSF 2.0, unexpected exceptions during lifecycle
processing were hidden by the runtime environment. This behavior is
no longer the case with JSF 2.0. Exceptions are now published to the
new ExceptionHandler API, as described in section 6.2 of the JSF 2.0
specification.
Add the following code snippet in the
<factory> section
of the faces-config.xml file to any applications that have a requirement
on the previously-defined behavior:
<exception-handlerfactory>
javax.faces.webapp.PreJsf2ExceptionHandlerFactory
</exception-handlerfactory>