I'm not seeing this on either 1.5.3, nor 1.6. One part of the forum post indicates an exception
07:01:12,656 ERROR [D2DFaceletViewHandler] Problem in renderResponse: empty expr
java.lang.IllegalArgumentException: empty expr
at javax.faces.component.UIComponentBase.findComponent(UIComponentBase.java:388)
at com.icesoft.faces.component.panelstack.PanelStackRenderer.encodeChildren(PanelStackRenderer.java:94)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:524)
I did encounter this when the PanelStackRenderer tried to render the current panel (obtained from the componet) and the property hadn't been initialized. Giving the current panel properties a value in the constructor will avoid this. I wouldn't expect the properties to have an initial value before the setter is called, without explicitly giving it one though.
Status: waiting for the reporter to try an example I had reverse engineered to test the app. Also waiting to see what versions he was using, as that might have an effect.
At this point, this doesn't look like a Seam integration problem. No Seam tags are used, the panel components are strictly ICEfaces, and the technology is partial submit, which has no Seam interaction. Maybe something will show up in the source code.
Created an attachment (id=129)
non-Seam test case