There may be scenarios where a user wants to enclose all content (specifically contentStack/ContentPane) within 1 form tag. Currently the contentStackMenu will only work if a form tag directly surrounds it like so:

<h:form>
<h:panelGroup>
<mobi:contentStackMenu>
<mobi:contentMenuItem label="Menu" />
<mobi:contentMenuItem label="Pane 1" value="panel1" />
.............
</mobi:contentStackMenu>
</h:panelGroup>
</h:form>

If you were to move the closing form tag to the bottom of the page (below the contentPanes), the following NPE is thrown:

java.lang.NullPointerException
at org.icefaces.mobi.component.contentmenuitem.ContentMenuItemRenderer.renderItemAsList(ContentMenuItemRenderer.java:153)
at org.icefaces.mobi.component.contentmenuitem.ContentMenuItemRenderer.encodeEnd(ContentMenuItemRenderer.java:66)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:875)
at org.icefaces.mobi.renderkit.BaseLayoutRenderer.renderChild(BaseLayoutRenderer.java:50)
at org.icefaces.mobi.renderkit.BaseLayoutRenderer.renderChildren(BaseLayoutRenderer.java:35)
at org.icefaces.mobi.component.contentstackmenu.ContentStackMenuRenderer.encodeEnd(ContentStackMenuRenderer.java:97)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:875)

Test case demonstrating issue attached. Ready for deployment on Tomcat 7.