OO-956: check if there is something to clone

src/main/java/org/olat/NewControllerFactory.java

@@ -140,7 +140,10 @@ public class NewControllerFactory extends LogDelegator {
 	
 	private ContextEntryControllerCreator getContextEntryControllerCreator(String type) {
 		ContextEntryControllerCreator typeHandler = contextEntryControllerCreators.get(type);
-		return typeHandler.clone();
+		if(typeHandler != null) {
+			return typeHandler.clone();
+		}
+		return null;
 	}
 
 	/**

src/main/java/org/olat/core/commons/controllers/resume/ResumeController.java

@@ -104,7 +104,7 @@ public class ResumeController extends FormBasicController implements SupportsAft
 					//make the resume secure. If something fail, don't generate a red screen
 					NewControllerFactory.getInstance().launch(ureq, bwControl);
 				} catch (Exception e) {
-					logError("Error while resumging", e);
+					logError("Error while resuming", e);
 				}
 			}
 			return false;