Merge branch 'users/komakkar/logOriginalException' into 'master'

Core Change: Original Exception is getting logged.

See merge request !43

notification-core/src/main/java/org/opengroup/osdu/notification/errors/SpringExceptionMapper.java

@@ -79,9 +79,8 @@ public class SpringExceptionMapper extends ResponseEntityExceptionHandler {
 	}
 
 	private ResponseEntity<Object> getErrorResponse(AppException e) {
-		if( e.getCause() instanceof Exception) {
-			Exception original = (Exception) e.getCause();
-			this.log.error(original.getMessage(), original);
+		if(e.getOriginalException()!= null) {
+			this.log.error(e.getOriginalException().getMessage(), e.getOriginalException());
 		}
 
 		if (e.getError().getCode() > 499) {