[seam-issues] [JBoss JIRA] Created: (JBSEAM-4637) Seam does not work with JSF 2.0 faces-config.xml

[Ryan Nideffer (JIRA)]

Seam does not work with JSF 2.0 faces-config.xml
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                 Key: JBSEAM-4637
                 URL: https://jira.jboss.org/jira/browse/JBSEAM-4637
             Project: Seam
          Issue Type: Bug
          Components: JSF Integration
    Affects Versions: 2.2.1.CR1
            Reporter: Ryan Nideffer


I am attempting to use JSF 2.0 in my Seam application for, among other benefits, composite components. I am able to upgrade the jsf-api.jar and jsf-impl.jar, remove jsf-facelets.jar and my application functions fine, however I am still running in JSF 1.2 mode due to this faces-config.xml:

<faces-config version="1.2"
              xmlns="http://java.sun.com/xml/ns/javaee"
              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_1_2.xsd">

      <view-handler>com.sun.facelets.FaceletViewHandler</view-handler>

According to thread comments from a Mojarra developer and the Release Notes for Mojarra 2, all thats needed is to remove the view-handler and reference v2.0 in faces-config.
http://forums.java.net/jive/message.jspa?messageID=373539
https://javaserverfaces.dev.java.net/nonav/rlnotes/2.0.1/releasenotes.html

As soon as I do this though, I get the following exception when my application is deployed:

2010-04-16 11:24:18,249 INFO  [javax.enterprise.resource.webcontainer.jsf.config] (Thread-2) Unsanitized stacktrace from failed start...
javax.faces.view.facelets.FaceletException: Must have a Constructor that takes in a ComponentConfig
	at com.sun.faces.facelets.tag.AbstractTagLibrary$UserComponentHandlerFactory.<init>(AbstractTagLibrary.java:289)
...
Caused by: java.lang.NoSuchMethodException: org.jboss.seam.ui.handler.CommandButtonParameterComponentHandler.<init>(javax.faces.view.facelets.ComponentConfig)
	at java.lang.Class.getConstructor0(Class.java:2706)


According to Dan Allen, Seam 2 and JSF 2 work together beautifully:

http://seamframework.org/Documentation/DoesSeamWorkWithJSF2

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