By default Glassfish uses the JSF reference implementation named "Mojarra".
The error you show above seems to be referencing the Apache "MyFaces"
implementation of JSF. This means you must have added the MyFaces jar files
to Glassfish or to your application. Try a simple hello world application
that just uses the default JSF implementation. If that works then the problem
is likely related to your use of MyFaces.
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