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Editorial Team
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Asked: 2026-05-27T05:27:30+00:00

I found this Mixing JSP and XHTML (Facelets) in JSF2 Project – possible? when

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I found this Mixing JSP and XHTML (Facelets) in JSF2 Project – possible? when I searched for a way to use .jsp and .xhtml together.

That question is answered with a link to a FAQ that states that I must use prefix mapping but I can’t figure out how. I understand that I must add facelets.VIEW_MAPPINGS but that wording on “You have to use prefix mapping” is what I cant understand.

Basically i’m supposed to acess my page with /faces/ included like: “http://localhost:8080/webapp/faces/mypage.xhtml“

But if I try to add /faces/ manually it goes 404. And I’m not sure if it should be added automatically when running the app or not.

My welcome file is a html page that uses: <body bgcolor="#FFFFFF" onload="window.location='/portal/login/login.xhtml'">

should it really be .xhtml and not .jsf?

Prior to trying to blend with the JSP pages and only trying out JSF2 I ran it like this succesfully:

 <servlet-mapping>
    <servlet-name>Faces Servlet</servlet-name>
    <url-pattern>*.jsf</url-pattern>
  </servlet-mapping>

 <context-param>
    <param-name>javax.faces.DEFAULT_SUFFIX</param-name>
    <param-value>.xhtml</param-value>
  </context-param>

<servlet>
    <servlet-name>Faces Servlet</servlet-name>
    <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
</servlet>

Using /faces/* instead seems to be a must but I just don’t understand how to use it properly.

I’m trying it like this:

<servlet-mapping>
    <servlet-name>Faces Servlet</servlet-name>
    <url-pattern>/faces/*</url-pattern>
</servlet-mapping>

<!-- Use extensions mapping for Faces servlet -->
<context-param>
    <param-name>facelets.VIEW_MAPPINGS</param-name>
    <param-value>*.xhtml</param-value>
</context-param>

<context-param>
    <param-name>javax.faces.DEFAULT_SUFFIX</param-name>
    <param-value>.jsp</param-value>
</context-param>

<servlet>
    <servlet-name>Faces Servlet</servlet-name>
    <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
</servlet>

This regards a big application built with pure jsp pages and jsp pages with JSF 1.2. Basically i’m converting all the jsf pages into jsf2 and thus xhtml.

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1 Answer

  1. Editorial Team

    While above suggestion actually did work I didnt want to change the urls everywere and I got the preface mapping to work by using the correct parameter.

    does not work:

    <context-param>
    <param-name>facelets.VIEW_MAPPINGS</param-name>
    <param-value>*.xhtml</param-value>
</context-param>

    works:

    <!-- Facelets pages will use the .xhtml extension -->
<context-param>
    <param-name>javax.faces.FACELETS_VIEW_MAPPINGS</param-name>
    <param-value>*.xhtml</param-value>
</context-param>
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