### Eclipse Workspace Patch 1.0
#P org.eclipse.gmf.runtime.emf.core
Index: src/org/eclipse/gmf/runtime/emf/core/internal/resources/PathmapManager.java
===================================================================
RCS file: /cvsroot/technology/org.eclipse.gmf/plugins/org.eclipse.gmf.runtime.emf.core/src/org/eclipse/gmf/runtime/emf/core/internal/resources/PathmapManager.java,v
retrieving revision 1.2
diff -u -r1.2 PathmapManager.java
--- src/org/eclipse/gmf/runtime/emf/core/internal/resources/PathmapManager.java	7 Apr 2006 14:51:25 -0000	1.2
+++ src/org/eclipse/gmf/runtime/emf/core/internal/resources/PathmapManager.java	20 Apr 2006 14:09:19 -0000
@@ -428,7 +428,11 @@
 				denormalize((Resource) msg.getNewValue(), getResourceSet().getURIConverter());
 				break;
 			case Notification.ADD_MANY:
-				for (Iterator i = ((List)msg.getNewValue()).iterator(); i.hasNext();) {
+				List resources = (List)msg.getNewValue();
+				if (resources == null)
+					break;
+				
+				for (Iterator i = resources.iterator(); i.hasNext();) {
 					denormalize((Resource)msg.getNewValue(), getResourceSet().getURIConverter());
 				}
 				break;
@@ -436,7 +440,11 @@
 				normalize((Resource)msg.getOldValue(), getResourceSet().getURIConverter());
 				break;
 			case Notification.REMOVE_MANY:
-				for (Iterator i = ((List)msg.getNewValue()).iterator(); i.hasNext();) {
+				resources = (List)msg.getNewValue();
+				if (resources == null)
+					break;
+				
+				for (Iterator i = resources.iterator(); i.hasNext();) {
 					normalize((Resource)msg.getNewValue(), getResourceSet().getURIConverter());
 				}
 				break;