<ice:selectOneMenu value="#{whatever}">
 <f:selectItems value="#{somevalue}"></f:selectItems>
 </ice:selectOneMenu>

Wep page editor displays perfectly. but reopening the page causes the following error.

If i use <ice:selectOneMenu> whitout <f:selectItems> it works

java.lang.NullPointerException
  at org.eclipse.wst.xml.core.internal.document.AttrImpl.setValueSource(AttrImpl.java:761)
  at org.eclipse.wst.xml.core.internal.document.AttrImpl.setValue(AttrImpl.java:744)
  at org.eclipse.wst.xml.core.internal.document.ElementImpl.setAttribute(ElementImpl.java:1210)
  at com.icesoft.ide.eclipse.designtime.converter.SelectBasedTagConverter.doConvertRefresh(SelectBasedTagConverter.java:68)
  at org.eclipse.jst.pagedesigner.converter.AbstractTagConverter.convertRefresh(AbstractTagConverter.java:85)
  at org.eclipse.jst.pagedesigner.parts.ElementEditPart.setModel(ElementEditPart.java:85)