SEBSERV-474 fix

SafeExamBrowser · Oct 30, 2023 · 775f98d · 775f98d
1 parent 48c6214
commit 775f98d
Showing 1 changed file with 11 additions and 2 deletions.
diff --git a/.../java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ClientConnectionDAOImpl.java b/.../java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ClientConnectionDAOImpl.java
@@ -436,9 +436,14 @@ public Result<ClientConnection> save(final ClientConnection data) {
     @Transactional
     public Result<Boolean> saveSecurityCheckStatus(final Long connectionId, final Boolean checkStatus) {
         return Result.tryCatch(() -> {
+
+            // NOTE: we use nanoseconds here to get a better precision to better avoid
+            //       same value of real concurrent calls on distributed systems
+            final long nanosecondsNow = System.nanoTime();
             this.clientConnectionRecordMapper.updateByPrimaryKeySelective(new ClientConnectionRecord(
                     connectionId,
-                    null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null,
+                    null, null, null, null, null, null, null, null, null, null, nanosecondsNow, null, null, null, null,
+                    null,
                     Utils.toByte(checkStatus),
                     null, null));
             return checkStatus;
@@ -450,9 +455,13 @@ public Result<Boolean> saveSecurityCheckStatus(final Long connectionId, final Bo
     @Transactional
     public Result<Boolean> saveSEBClientVersionCheckStatus(final Long connectionId, final Boolean checkStatus) {
         return Result.tryCatch(() -> {
+            // NOTE: we use nanoseconds here to get a better precision to better avoid
+            //       same value of real concurrent calls on distributed systems
+            final long nanosecondsNow = System.nanoTime();
             this.clientConnectionRecordMapper.updateByPrimaryKeySelective(new ClientConnectionRecord(
                     connectionId,
-                    null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null,
+                    null, null, null, null, null, null, null, null, null, null, nanosecondsNow, null, null, null, null,
+                    null,
                     null, null, Utils.toByte(checkStatus)));
             return checkStatus;
         })