java.lang.NoSuchMethodError: com.icesoft.faces.component.ExtendedAttributeConstants.getAttributes(I[Ljava/lang/String;)[Ljava/lang/String;
        at com.icesoft.faces.component.panelconfirmation.PanelConfirmationRenderer.<clinit>(PanelConfirmationRenderer.java:58)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeConstructorAccessorImpl.java:0)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
        at java.lang.Class.newInstance0(Class.java:350)
        at java.lang.Class.newInstance(Class.java:303)
        at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:1001)
        at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:1073)
        at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:493)
        at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:381)
        at org.netbeans.modules.visualweb.jsfsupport.container.RaveConfigureListener.contextInitialized(RaveConfigureListener.java:93)
        at org.netbeans.modules.visualweb.jsfsupport.container.FacesContainer.initialize(FacesContainer.java:147)
        at org.netbeans.modules.visualweb.jsfsupport.container.FacesContainer.setClassLoader(FacesContainer.java:351)
        at org.netbeans.modules.visualweb.insync.models.FacesModelSet.classPathChanged(FacesModelSet.java:1285)
        at org.netbeans.modules.visualweb.insync.models.FacesModelSet$1.stateChanged(FacesModelSet.java:429)
        at org.netbeans.modules.visualweb.insync.models.ProjectBuiltQuery$StatusImpl.fireChange(ProjectBuiltQuery.java:275)
        at org.netbeans.modules.visualweb.insync.models.ProjectBuiltQuery$StatusImpl.update(ProjectBuiltQuery.java:365)
        at org.netbeans.modules.visualweb.insync.models.ProjectBuiltQuery$StatusImpl.access$100(ProjectBuiltQuery.java:143)
        at org.netbeans.modules.visualweb.insync.models.ProjectBuiltQuery$StatusImpl$FileObjectStatusChangeListener.stateChanged(ProjectBuiltQuery.java:172)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:123)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:109)
        at org.netbeans.modules.java.source.usages.BuildArtifactMapperImpl$FileBuiltQueryStatusImpl.stateChanged(BuildArtifactMapperImpl.java:600)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:123)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:109)
        at org.netbeans.spi.project.support.ant.GlobFileBuiltQuery$StatusImpl.isBuilt(GlobFileBuiltQuery.java:254)
        at org.netbeans.spi.project.support.ant.GlobFileBuiltQuery$StatusImpl.run(GlobFileBuiltQuery.java:303)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)