[321529] NPE when opening any source editor if JSP plug-ins are not loaded
diff --git a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/StructuredTextEditor.java b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/StructuredTextEditor.java
index 3d0285d..2ac7253 100644
--- a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/StructuredTextEditor.java
+++ b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/StructuredTextEditor.java
@@ -3520,7 +3520,7 @@
 	 * @return
 	 */
 	private int calculatePriority(IContentType type, IContentType targetType, int priority) {
-		if (type == null)
+		if (type == null || targetType == null)
 			return -1;
 		if (type.getId().equals(targetType.getId()))
 			return priority;