Seam 2.0.1 incompatibility with Trinidad ---------------------------------------- Key: JBSEAM-2665 URL: http://jira.jboss.com/jira/browse/JBSEAM-2665 Project: JBoss Seam Issue Type: Bug Components: JSF Controls Affects Versions: 2.0.1.GA Environment: Trinidad 1.2.6, MyFaces 1.2.2, Facelets 1.1.14, Seam 2.0.1.GA Reporter: Andrew Priority: Critical See forum reference please Here is the stack (pretty clear cause from the error message): Caused by: java.lang.ClassCastException: org.apache.myfaces.trinidad.component.core.CoreForm cannot be cast to javax.faces.component.UIForm at org.jboss.seam.ui.util.cdk.RendererUtils.getForm(RendererUtils.java:48) at org.jboss.seam.ui.renderkit.CommandButtonParameterRendererBase.doEncodeEnd(CommandButtonParameterRendererBase.java:38) at org.jboss.seam.ui.util.cdk.RendererBase.encodeEnd(RendererBase.java:104) at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:556) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.jboss.com/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira