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

Seam does not work with JSF 2.0 faces-config.xml ------------------------------------------------ Key: JBSEAM-4637 URL: https://issues.jboss.org/browse/JBSEAM-4637 Project: Seam 2 Issue Type: Bug Components: JSF Integration Affects Versions: 2.2.1.CR1 Reporter: Ryan Nideffer Assignee: Marek Novotny Labels: jsf2, seam-ui Fix For: 2.3.0.BETA1 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