liuml07 commented on code in PR #24205:
URL: https://github.com/apache/flink/pull/24205#discussion_r2191607384
##########
flink-core/src/main/java/org/apache/flink/api/java/ClosureCleaner.java:
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@@ -66,14 +67,20 @@ public class ClosureCleaner {
*/
public static void clean(
Object func, ExecutionConfig.ClosureCleanerLevel level, boolean
checkSerializable) {
- clean(func, level, checkSerializable, Collections.newSetFromMap(new
IdentityHashMap<>()));
+ clean(
+ func,
+ level,
+ checkSerializable,
+ Collections.newSetFromMap(new IdentityHashMap<>()),
+ new Stack<>());
}
private static void clean(
Object func,
ExecutionConfig.ClosureCleanerLevel level,
boolean checkSerializable,
- Set<Object> visited) {
+ Set<Object> visited,
+ Stack<Class<?>> clsReferences) {
Review Comment:
The stack is not growing when there is circular references or
self-references as there is a `visited` Set already to only visit a class once.
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