246294 NPE in EMF2DOMSSEAdapter.primGetExistingAdapter()

bundles/org.eclipse.wst.xml.core/src-emfModelSynch/org/eclipse/wst/xml/core/internal/emf2xml/EMF2DOMSSEAdapter.java

diff --git a/bundles/org.eclipse.wst.xml.core/src-emfModelSynch/org/eclipse/wst/xml/core/internal/emf2xml/EMF2DOMSSEAdapter.java b/bundles/org.eclipse.wst.xml.core/src-emfModelSynch/org/eclipse/wst/xml/core/internal/emf2xml/EMF2DOMSSEAdapter.java
index 409ffa0..2ebce04 100644
--- a/bundles/org.eclipse.wst.xml.core/src-emfModelSynch/org/eclipse/wst/xml/core/internal/emf2xml/EMF2DOMSSEAdapter.java
+++ b/bundles/org.eclipse.wst.xml.core/src-emfModelSynch/org/eclipse/wst/xml/core/internal/emf2xml/EMF2DOMSSEAdapter.java
@@ -327,7 +327,7 @@
 				
 				//Handle the cases where either adapter's target is null 
 				if ((getTarget() == null) || (adapterTarget == null))
-					if(resourceClass.equals(e2DAdapter.getResourceClass()))
+					if (resourceClass != null && resourceClass.equals(e2DAdapter.getResourceClass()))
 						return e2DAdapter;
 					else
 						continue;