fix crash in LeakedCollectionCheck

Feuermagier · Dec 17, 2024 · 89a5d21 · 89a5d21
1 parent cd41fbc
commit 89a5d21
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/...rader-core/src/main/java/de/firemage/autograder/core/check/oop/LeakedCollectionCheck.java b/...rader-core/src/main/java/de/firemage/autograder/core/check/oop/LeakedCollectionCheck.java
@@ -300,7 +300,7 @@ private void checkCtExecutableReturn(CtExecutable<?> ctExecutable) {
 
         // a lambda like () -> true does not have a body, but an expression which is a return statement
         // this case is handled here
-        if (statements.isEmpty() && ctExecutable instanceof CtLambda<?> ctLambda) {
+        if (statements.isEmpty() && ctExecutable instanceof CtLambda<?> ctLambda && ctLambda.getExpression() != null) {
             statements = List.of(createCtReturn(ctLambda.getExpression().clone()));
         }