[GitHub] flink pull request #4821: [FLINK-7835][cep] Fix duplicate() in NFASerializer...

[aljoscha]

Github user aljoscha commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4821#discussion_r144514570
  
    --- Diff: 
flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/NonDuplicatingTypeSerializer.java
 ---
    @@ -190,13 +190,6 @@ public int hashCode() {
                return typeSerializer.hashCode();
        }
     
    -   private void readObject(ObjectInputStream ois) throws IOException, 
ClassNotFoundException {
    --- End diff --
    
    removing this means that `elementList` and `identityMap` will not be 
initialised after deserialisation.


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