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Editorial Team
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Asked: 2026-05-30T19:53:57+00:00

I am using Prime Faces 2.2, but now i want to use Prime Faces

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I am using Prime Faces 2.2, but now i want to use Prime Faces 3. I downloaded the Prime faces3.1.1 jar and included it into my project. I am using Netbeans 6.9. Then i create a simple project and include the Prime Faces 3.1.1 jar and then tried the code 

<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:h="http://java.sun.com/jsf/html">
    <h:head>
        <title>Facelet Title</title>
    </h:head>
    <h:body>

        <p:inputTextArea id="inputarea" rows="5" cols="30"/> 

    </h:body>
</html>

But it is giving me error undeclared component:( Do i need to do something more in order to use Prime Faces 3 in my project. Also i want to ask is Prime Faces 3 is compatible with Prime Faces 2.2? One of my project is using Prime Faces 2.2. I also want to use Prime Faces 3 in that too. How can i update from Prime faces 2.2 to Prime Faces 3. Just including the Prime Faces 3.1.1 jar is enough?

Thanks

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1 Answer

  1. Editorial Team

    1) You forgot to add the xmlns:p="http://primefaces.org/ui" into yourhtmltag
    and if you already taglibs you can add the xmlns:f="http://java.sun.com/jsf/core and xmlns:ui="http://java.sun.com/jsf/faceletsas well (you might use it later on)

    2) NO , you can’t use primefaces 2 and 3 in the same project and you can’t just replace the jars , follow this Migration Guide to 3.0
    for example , you can’t use the listeners of the components you used to in the 2.2 project , instead , use the p:ajax with the proper events

    also you should read in the User Guide about how to use the components you used to use in primefaces 2.2 project User Guide

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