Kryoスタックの逆シリアル化中の「復元不可能なチェックポイント」とUnsupportableExceptionのデバッグ

Cordaでシリアル化の問題が発生しました。私の新しいコードパスには、まだシリアル化/逆シリアル化されていない新しいクラスは含まれていませんが、次の例外を除いて爆発します。スタックトレースにCorDapp固有のクラスが含まれていないため、問題が何であるかを理解するのが非常に難しいことに注意してください。

この種の例外の根本的な原因が何であるかを調査し始める方法に関するヒント/ヒントはありますか？

ありがとう:-)

com.esotericsoftware.kryo.KryoException: java.lang.UnsupportedOperationException
Serialization trace:
dataObject (co.paralleluniverse.fibers.Stack)
stack (net.corda.node.services.statemachine.FlowStateMachineImpl)
    at com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:144)
    at com.esotericsoftware.kryo.serializers.CompatibleFieldSerializer.read(CompatibleFieldSerializer.java:147)
    at com.esotericsoftware.kryo.Kryo.readObjectOrNull(Kryo.java:782)
    at co.paralleluniverse.io.serialization.kryo.ReplaceableObjectKryo.readObjectOrNull(ReplaceableObjectKryo.java:107)
    at com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:132)
    at com.esotericsoftware.kryo.serializers.FieldSerializer.read(FieldSerializer.java:540)
    at co.paralleluniverse.fibers.Fiber$FiberSerializer.read(Fiber.java:2137)
    at co.paralleluniverse.fibers.Fiber$FiberSerializer.read(Fiber.java:2067)
    at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:813)
    at co.paralleluniverse.io.serialization.kryo.ReplaceableObjectKryo.readClassAndObject(ReplaceableObjectKryo.java:112)
    at net.corda.nodeapi.internal.serialization.kryo.AbstractKryoSerializationScheme$deserialize$$inlined$use$lambda$1$1.invoke(KryoSerializationScheme.kt:97)
    at net.corda.nodeapi.internal.serialization.kryo.AbstractKryoSerializationScheme$deserialize$$inlined$use$lambda$1$1.invoke(KryoSerializationScheme.kt:37)
    at net.corda.nodeapi.internal.serialization.kryo.AbstractKryoSerializationScheme.withContext(KryoSerializationScheme.kt:80)
    at net.corda.nodeapi.internal.serialization.kryo.AbstractKryoSerializationScheme.access$withContext(KryoSerializationScheme.kt:37)
    at net.corda.nodeapi.internal.serialization.kryo.AbstractKryoSerializationScheme$deserialize$$inlined$use$lambda$1.execute(KryoSerializationScheme.kt:95)
    at com.esotericsoftware.kryo.pool.KryoPoolQueueImpl.run(KryoPoolQueueImpl.java:61)
    at net.corda.nodeapi.internal.serialization.kryo.AbstractKryoSerializationScheme.deserialize(KryoSerializationScheme.kt:94)
    at net.corda.nodeapi.internal.serialization.SerializationFactoryImpl$deserialize$1$1.invoke(SerializationScheme.kt:111)
    at net.corda.core.serialization.SerializationFactory.withCurrentContext(SerializationAPI.kt:66)
    at net.corda.nodeapi.internal.serialization.SerializationFactoryImpl$deserialize$1.invoke(SerializationScheme.kt:111)
    at net.corda.nodeapi.internal.serialization.SerializationFactoryImpl$deserialize$1.invoke(SerializationScheme.kt:86)
    at net.corda.core.serialization.SerializationFactory.asCurrent(SerializationAPI.kt:80)
    at net.corda.nodeapi.internal.serialization.SerializationFactoryImpl.deserialize(SerializationScheme.kt:111)
    at net.corda.node.services.statemachine.StateMachineManagerImpl.deserializeFiber(StateMachineManagerImpl.kt:715)
    at net.corda.node.services.statemachine.StateMachineManagerImpl.access$deserializeFiber(StateMachineManagerImpl.kt:63)
    at net.corda.node.services.statemachine.StateMachineManagerImpl$updateCheckpoint$2.run(StateMachineManagerImpl.kt:551)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.UnsupportedOperationException
    at java.util.AbstractCollection.add(AbstractCollection.java:262)
    at com.esotericsoftware.kryo.serializers.CollectionSerializer.read(CollectionSerializer.java:134)
    at com.esotericsoftware.kryo.serializers.CollectionSerializer.read(CollectionSerializer.java:40)
    at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:813)
    at co.paralleluniverse.io.serialization.kryo.ReplaceableObjectKryo.readClassAndObject(ReplaceableObjectKryo.java:112)
    at de.javakaffee.kryoserializers.UnmodifiableCollectionsSerializer.read(UnmodifiableCollectionsSerializer.java:71)
    at com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:731)
    at co.paralleluniverse.io.serialization.kryo.ReplaceableObjectKryo.readObject(ReplaceableObjectKryo.java:92)
    at com.esotericsoftware.kryo.serializers.DefaultArraySerializers$ObjectArraySerializer.read(DefaultArraySerializers.java:392)
    at com.esotericsoftware.kryo.serializers.DefaultArraySerializers$ObjectArraySerializer.read(DefaultArraySerializers.java:303)
    at com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:731)
    at co.paralleluniverse.io.serialization.kryo.ReplaceableObjectKryo.readObject(ReplaceableObjectKryo.java:92)
    at com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:125)
    ... 28 more
[INFO ] 17:02:38,664 [Mock network] (FlowStateMachineImpl.kt:432) flow.[66a8e516-7d9e-4ff3-a922-c80dda86768e].initiateSession - Initiating flow session with party O=Notary Service, L=Zurich, C=CH. Session id for tracing purposes is SessionId(toLong=763122305110574148). {}
[ERROR] 17:02:38,660 [CheckpointChecker-1] (StateMachineManagerImpl.kt:417) flow.[66a8e516-7d9e-4ff3-a922-c80dda86768e].deserializeFiber - Encountered unrestorable checkpoint! {}
com.esotericsoftware.kryo.KryoException: java.lang.UnsupportedOperationException