Julien, I found a little issue with CDATA and new StAX parsing. Values wrapped with CDATA are all null.
Index: portlet/src/main/java/org/gatein/pc/portlet/impl/deployment/staxnav/PortletApplicationMetaDataBuilder.java
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--- portlet/src/main/java/org/gatein/pc/portlet/impl/deployment/staxnav/PortletApplicationMetaDataBuilder.java (revision 6769)
+++ portlet/src/main/java/org/gatein/pc/portlet/impl/deployment/staxnav/PortletApplicationMetaDataBuilder.java (working copy)
@@ -187,6 +187,7 @@
PortletApplication20MetaData md = new PortletApplication20MetaData();
XMLInputFactory factory = XMLInputFactory.newInstance();
+ factory.setProperty("javax.xml.stream.isCoalescing", true);
XMLStreamReader stream = factory.createXMLStreamReader(is);
StaxNavigator<Element> nav = new StaxNavigatorImpl<Element>(new Naming.Enumerated.Simple<Element>(Element.class, null), stream);