Github user wuchong commented on the issue:
https://github.com/apache/flink/pull/4172
Yes @twalthr , you are right, the cause is different classloader. The
compiled class is under Janino's custom ClassLoader. Using the current thread's
classloader or user code classloader can't load the class.
BUT, is it possible to pass the Janino's classloader into state
deserialization ?
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