Github user tzulitai commented on a diff in the pull request: https://github.com/apache/flink/pull/6392#discussion_r204684670 --- Diff: flink-core/src/main/java/org/apache/flink/api/common/typeutils/CompositeTypeSerializerConfigSnapshot.java --- @@ -46,8 +46,6 @@ public CompositeTypeSerializerConfigSnapshot() {} public CompositeTypeSerializerConfigSnapshot(TypeSerializer<?>... nestedSerializers) { - Preconditions.checkNotNull(nestedSerializers); --- End diff -- Not sure about this. It should be perfectly fine that we have a null check here.
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