Prevent concurrent modification exception

HuygensING · Oct 21, 2022 · e2bdf9f · e2bdf9f
1 parent 6da4f39
commit e2bdf9f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/...main/java/nl/knaw/huygens/timbuctoo/v5/datastores/implementations/bdb/BdbSchemaStore.java b/...main/java/nl/knaw/huygens/timbuctoo/v5/datastores/implementations/bdb/BdbSchemaStore.java
@@ -334,7 +334,7 @@ private void writeUpdate() {
       Type type = typeEntry.getValue();
 
       // finish the predicates register if it has been singular or list
-      for (Predicate predicate : type.getPredicates()) {
+      for (Predicate predicate : List.copyOf(type.getPredicates())) {
         predicate.finish();
         predicate.getReferenceTypes().keySet().forEach(key -> {
           Type refType = types.get(key);