selectOneMenu with primefaces 2.2.1

I have a problem with p:selectOneMenu in primefaces 2.2.1. I want to add a new component "开发者_Python百科selectoneMenu" into primefaces2.2.1.jar. Any idea please.

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The <p:selectOneMenu> is introduced in PrimeFaces 3.0. It is not present in PrimeFaces 2.2.

So you have 2 options:

1. Upgrade to PrimeFaces 3.0 (warning: it's still in development and not stable!)
2. Just use standard JSF <h:selectOneMenu>.