Github user StefanRRichter commented on a diff in the pull request: https://github.com/apache/flink/pull/6325#discussion_r202285840 --- Diff: flink-core/src/main/java/org/apache/flink/api/common/typeutils/TypeSerializerConfigSnapshot.java --- @@ -99,7 +99,8 @@ // TODO this method actually should not have a default implementation; // TODO this placeholder should be removed as soon as all subclasses have a proper implementation in place, and // TODO the method is properly integrated in state backends' restore procedures - throw new UnsupportedOperationException(); +// throw new UnsupportedOperationException(); --- End diff -- Remove this line.
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