zentol commented on code in PR #21153:
URL: https://github.com/apache/flink/pull/21153#discussion_r1009309372
##########
flink-runtime/src/main/java/org/apache/flink/runtime/state/VoidNamespace.java:
##########
@@ -56,13 +54,4 @@ public boolean equals(Object obj) {
public String toString() {
return getClass().getSimpleName();
}
-
- // ------------------------------------------------------------------------
- // Singleton serialization
- // ------------------------------------------------------------------------
-
- // make sure that we preserve the singleton properly on serialization
- private Object readResolve() throws ObjectStreamException {
Review Comment:
This is wrong.
https://docs.oracle.com/javase/7/docs/platform/serialization/spec/input.html#5903
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