Github user zentol commented on a diff in the pull request: https://github.com/apache/flink/pull/6016#discussion_r188246145 --- Diff: flink-core/src/main/java/org/apache/flink/api/java/typeutils/runtime/TupleSerializer.java --- @@ -76,7 +76,7 @@ public T createInstance() { public T createInstance(Object[] fields) { try { - T t = tupleClass.newInstance(); + T t = tupleClass.getDeclaredConstructor().newInstance(); --- End diff -- this change may have performance implications as noted in the mail thread linked in the jira.
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