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Upgrading RichFaces 4.0.0.A2 to 4.0.0.M1

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Last week RichFaces 4.0.0.M1 was released.  If you are using Maven, then its relatively easy to upgrade from Alpha2 to M1. If you’ve not started using RichFaces 4 yet in your applications, then full details of how to install RichFaces in a Maven application are provided on the JBoss Wiki.

To upgrade from A2 to M1, should just be a matter of upgrading the version number in your pom.xml file, cleaning and building your project.  The main thing to note however is that the version number is “4.0.0.20100715-M1″ rather than simply “4.0.0.M1″ as would have been expected. An upgraded version property would therefore read as:

<properties>
  <org.richfaces.ui.version>4.0.0.20100715-M1</org.richfaces.ui.version>
</properties>

After upgrading the version of RichFaces however, I found a problem in that dependencies on org.w3c.css.sac and net.sourceforge.cssparser.cssparser are not properly discovered. Without these additional Jars, the following exception is thrown at runtime:

java.lang.NoClassDefFoundError: org/w3c/css/sac/ErrorHandler
 org.richfaces.resource.ResourceHandlerImpl.createResource
  (ResourceHandlerImpl.java:460)
 org.richfaces.resource.ResourceHandlerImpl.createResource
  (ResourceHandlerImpl.java:483)
 com.sun.faces.renderkit.html_basic.StylesheetRenderer.encodeEnd
  (StylesheetRenderer.java:91)
 javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:878)
 javax.faces.component.UIComponent.encodeAll(UIComponent.java:1620)
 com.sun.faces.renderkit.html_basic.HeadRenderer.encodeEnd(HeadRenderer.java:93)
 javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:878)
 javax.faces.component.UIComponent.encodeAll(UIComponent.java:1620)
 javax.faces.component.UIComponent.encodeAll(UIComponent.java:1616)
 com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView
   (FaceletViewHandlingStrategy.java:380)
 com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:126)
 javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:273)
 com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:127)
 com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
 com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
 javax.faces.webapp.FacesServlet.service(FacesServlet.java:313)
 org.jboss.weld.servlet.ConversationPropagationFilter.doFilter
  (ConversationPropagationFilter.java:68)

This can be fixed easily however, by adding the following dependencies into your POM file.

<dependency>
  <groupId>org.w3c.css</groupId>
  <artifactId>sac</artifactId>
  <version>1.3</version>
</dependency>
<dependency>
  <groupId>net.sourceforge.cssparser</groupId>
  <artifactId>cssparser</artifactId>
  <version>0.9.5</version>
</dependency>
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