From dcf30464df8b1bfcfbd444e9ffe338cc567ad11d Mon Sep 17 00:00:00 2001
From: anhefti <andreas.hefti@let.ethz.ch>
Date: Wed, 25 May 2022 10:24:56 +0200
Subject: [PATCH] fix check

---
 .../datalayer/checks/OrientationTableDuplicatesCheck.java | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/datalayer/checks/OrientationTableDuplicatesCheck.java b/src/main/java/ch/ethz/seb/sebserver/webservice/datalayer/checks/OrientationTableDuplicatesCheck.java
index 681fc7b9..b5935d6d 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/datalayer/checks/OrientationTableDuplicatesCheck.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/datalayer/checks/OrientationTableDuplicatesCheck.java
@@ -66,15 +66,15 @@ public class OrientationTableDuplicatesCheck implements DBIntegrityCheck {
                 }
             }
 
-            if (toDelete.isEmpty()) {
-                return "OK";
-            }
-
             final List<Long> checkedToDelete = toDelete
                     .stream()
                     .filter(this::doubleCheck)
                     .collect(Collectors.toList());
 
+            if (checkedToDelete == null || checkedToDelete.isEmpty()) {
+                return "OK";
+            }
+
             if (tryFix) {
 
                 checkedToDelete