我试图序列化一些自定义类的对象,我得到以下异常：
com.esotericsoftware.kryo.KryoException: com.sleepycat.je.EnvironmentFailureException: (JE 5.0.73) IdentityHashMap.entrySet() should not be used. See [#18167]. UNEXPECTED_STATE: Unexpected internal state,may have side effects. Serialization trace: highestFlushLevels (com.sleepycat.je.recovery.DirtyINMap) checkpointDirtyMap (com.sleepycat.je.recovery.Checkpointer) checkpointer (com.sleepycat.je.dbi.EnvironmentImpl) envImpl (com.sleepycat.je.dbi.MemoryBudget) budget (com.sleepycat.je.cleaner.DbFileSummaryMap) dbFileSummaries (com.sleepycat.je.dbi.DatabaseImpl) databaseImpl (com.sleepycat.je.Database) db (com.thinkaurelius.titan.diskstorage.berkeleyje.BerkeleyJEkeyvalueStore) store (com.thinkaurelius.titan.diskstorage.keycolumnvalue.keyvalue.OrderedkeyvalueStoreAdapter) store (com.thinkaurelius.titan.diskstorage.keycolumnvalue.cache.NoKCVSCache) edgeStore (com.thinkaurelius.titan.diskstorage.Backend) backend (com.thinkaurelius.titan.graphdb.database.StandardTitangraph) graph (com.thinkaurelius.titan.graphdb.transaction.StandardTitanTx) tx (com.thinkaurelius.titan.graphdb.types.vertices.Propertykeyvertex) key (com.thinkaurelius.titan.graphdb.relations.SimpleTitanProperty) properties (main.java.com.bag.util.storage.RelationshipStorage) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:101) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeClassAndobject(Kryo.java:651) at com.esotericsoftware.kryo.serializers.MapSerializer.write(MapSerializer.java:113) at com.esotericsoftware.kryo.serializers.MapSerializer.write(MapSerializer.java:39) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:505) at com.esotericsoftware.kryo.Kryo.writeClassAndobject(Kryo.java:651) at com.esotericsoftware.kryo.serializers.CollectionSerializer.write(CollectionSerializer.java:100) at com.esotericsoftware.kryo.serializers.CollectionSerializer.write(CollectionSerializer.java:40) at com.esotericsoftware.kryo.Kryo.writeClassAndobject(Kryo.java:651) at main.java.com.bag.server.TestServer.handleRelationshipRead(TestServer.java:299) at main.java.com.bag.server.TestServer.appExecuteUnordered(TestServer.java:219) at bftsmart.tom.server.defaultservices.DefaultRecoverable.executeUnordered(DefaultRecoverable.java:417) at bftsmart.tom.ServiceReplica.receiveReadonlyMessage(ServiceReplica.java:214) at bftsmart.tom.core.DeliveryThread.deliverUnordered(DeliveryThread.java:289) at bftsmart.tom.core.TOMLayer.requestReceived(TOMLayer.java:290) at bftsmart.communication.client.netty.NettyClientServerCommunicationSystemServerSide.channelRead0(NettyClientServerCommunicationSystemServerSide.java:184) at bftsmart.communication.client.netty.NettyClientServerCommunicationSystemServerSide.channelRead0(NettyClientServerCommunicationSystemServerSide.java:61) at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:292) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:278) at io.netty.handler.codec.BytetoMessageDecoder.fireChannelRead(BytetoMessageDecoder.java:277) at io.netty.handler.codec.BytetoMessageDecoder.channelRead(BytetoMessageDecoder.java:264) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:292) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:278) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:962) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:528) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:485) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:399) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:371) at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137) at java.lang.Thread.run(Thread.java:745) Caused by: com.sleepycat.je.EnvironmentFailureException: (JE 5.0.73) IdentityHashMap.entrySet() should not be used. See [#18167]. UNEXPECTED_STATE: Unexpected internal state,may have side effects. at com.sleepycat.je.EnvironmentFailureException.unexpectedState(EnvironmentFailureException.java:376) at com.sleepycat.je.utilint.IdentityHashMap.entrySet(IdentityHashMap.java:31) at com.esotericsoftware.kryo.serializers.MapSerializer.write(MapSerializer.java:98) at com.esotericsoftware.kryo.serializers.MapSerializer.write(MapSerializer.java:39) at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:575) at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80) ... 77 more
ArrayList<RelationshipStorage> relationshipStorage = new ArrayList<>();
存储是可序列化的,其中的所有内容也是如此.
解决方法
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