fix NPE for Optional lookup in MockProblemChangeDirector (#2871)

apache · Sep 8, 2023 · 9b56182 · 9b56182
1 parent 34a0c16
commit 9b56182
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/...-test/src/main/java/org/optaplanner/test/api/solver/change/MockProblemChangeDirector.java b/...-test/src/main/java/org/optaplanner/test/api/solver/change/MockProblemChangeDirector.java
@@ -100,7 +100,7 @@ public <EntityOrProblemFact> EntityOrProblemFact lookUpWorkingObjectOrFail(Entit
     @Override
     public <EntityOrProblemFact> Optional<EntityOrProblemFact>
             lookUpWorkingObject(EntityOrProblemFact externalObject) {
-        return Optional.of((EntityOrProblemFact) lookUpTable.get(externalObject));
+        return Optional.ofNullable((EntityOrProblemFact) lookUpTable.get(externalObject));
     }
 
     @Override