Ted Yu created FLINK-3733:
-----------------------------

             Summary: registeredTypesWithKryoSerializers is not assigned in 
ExecutionConfig#deserializeUserCode()
                 Key: FLINK-3733
                 URL: https://issues.apache.org/jira/browse/FLINK-3733
             Project: Flink
          Issue Type: Bug
            Reporter: Ted Yu
            Priority: Minor


{code}
    if (serializedRegisteredTypesWithKryoSerializers != null) {
      registeredTypesWithKryoSerializers = 
serializedRegisteredTypesWithKryoSerializers.deserializeValue(userCodeClassLoader);
    } else {
      registeredTypesWithKryoSerializerClasses = new LinkedHashMap<>();
    }
{code}
When serializedRegisteredTypesWithKryoSerializers is null, 
registeredTypesWithKryoSerializers is not assigned.



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