Fully converting a component that was designed to work with ICEfaces 1.8 on JSF 1.1 or JSF 1.2 to working with ICEfaces 3 on JSF 2 is an extensive topic. For the most part, old components work as is in the new environment, and so all that is necessary are a few configuration changes. The complexity comes in adding new JSF 2 functionality to old components. In many cases, to receive the full benefits of JSF 2, it might prove simpler to port your components to the [Advanced Components Environment].
For the minimal update route, you need only change your faces-config.xml file and Facelets Taglib.xml file to use the new JSF 2 schemas:
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