Theo, thank you for clarification and code examples. I was actually suspectign that this is becase the Java type erasure.s
The thing that bothers me though is fact that Flink was failing over to Kryo silently in my case. Without any information in the logs. And actually we found it just by luck. -- Sent from: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/