Hi Ammon Diether,
This is actually not a bug, for logical (and documented) reasons keys can not
be schema-migrated:
* When storing state / hash-distributing events, the target key group (one
out of max parallelism) is calculated from the key hash.
* If you change the key, the hash chang
We have encountered a rather rare, but very nasty bug with Flink related
to serialization of Pojos in keystate.
-- Timeline --
1) Write a specific item to keystate of class C at Time1, no read of that
key will happen until step 5.
2) Time elapses
3) class C is schema evolved to include an additio
