Duplicated component attribute ------------------------------ Key: RF-637 URL: http://jira.jboss.com/jira/browse/RF-637 Project: RichFaces Issue Type: Bug Affects Versions: 3.1.0 Environment: Rich Faces 3.1.0 RC2 Reporter: Ilya Shaikovsky Assigned To: Tsikhon Kuprevich Fix For: 3.1.0 <rich:simpleTogglePanel opened="false" width="300px" switchType="client" id="stp" style="width:300px;" styleClass="meClass"> <f:facet name="header"> <h:outputText value="Header"/> </f:facet> <h:outputText value="Hello"></h:outputText> </rich:simpleTogglePanel> Produces "duplicated attribute" message. There is two classes defined for toggle panel. And what about to review another components as customer asked. I've also seen this error often.