krishnakasper commented on issue #9443:
URL: https://github.com/apache/hudi/issues/9443#issuecomment-1735033014

   I am using Hudi 0.13.1 and still facing this issue. 
   
   Stacktrace:
   
   > Caused by: org.apache.hudi.com.esotericsoftware.kryo.KryoException: 
java.lang.UnsupportedOperationException
   Serialization trace:
   reserved (org.apache.avro.Schema$Field)
   fieldMap (org.apache.avro.Schema$RecordSchema)
   schema (org.apache.avro.generic.GenericData$Record)
   record 
(com.amazon.transportation.tfs.pact.datastores.clients.astrikos.payload.ConsolidatedFirstAnswerHoodieRecordPayload)
   data (org.apache.hudi.common.model.HoodieAvroRecord)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:144)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.FieldSerializer.read(FieldSerializer.java:543)
        at 
org.apache.hudi.com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:813)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.MapSerializer.read(MapSerializer.java:161)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.MapSerializer.read(MapSerializer.java:39)
        at 
org.apache.hudi.com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:731)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:125)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.FieldSerializer.read(FieldSerializer.java:543)
        at 
org.apache.hudi.com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:731)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:125)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.FieldSerializer.read(FieldSerializer.java:543)
        at 
org.apache.hudi.com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:731)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:125)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.FieldSerializer.read(FieldSerializer.java:543)
        at 
org.apache.hudi.com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:731)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:125)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.FieldSerializer.read(FieldSerializer.java:543)
        at 
org.apache.hudi.com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:813)
        at 
org.apache.hudi.common.util.SerializationUtils$KryoSerializerInstance.deserialize(SerializationUtils.java:100)
        at 
org.apache.hudi.common.util.SerializationUtils.deserialize(SerializationUtils.java:74)
        at 
org.apache.hudi.common.util.collection.BitCaskDiskMap.get(BitCaskDiskMap.java:210)
        at 
org.apache.hudi.common.util.collection.LazyFileIterable$LazyFileIterator.next(LazyFileIterable.java:102)
        at 
org.apache.hudi.common.util.collection.ExternalSpillableMap$IteratorWrapper.next(ExternalSpillableMap.java:332)
        at 
org.apache.hudi.io.HoodieMergeHandle.writeIncomingRecords(HoodieMergeHandle.java:395)
        at 
org.apache.hudi.io.HoodieMergeHandle.close(HoodieMergeHandle.java:405)
        at 
org.apache.hudi.table.action.commit.HoodieMergeHelper.runMerge(HoodieMergeHelper.java:178)
        at 
org.apache.hudi.table.action.commit.BaseSparkCommitActionExecutor.handleUpdateInternal(BaseSparkCommitActionExecutor.java:358)
        at 
org.apache.hudi.table.action.commit.BaseSparkCommitActionExecutor.handleUpdate(BaseSparkCommitActionExecutor.java:349)
        at 
org.apache.hudi.table.action.commit.BaseSparkCommitActionExecutor.handleUpsertPartition(BaseSparkCommitActionExecutor.java:322)
        ... 28 more
   Caused by: java.lang.UnsupportedOperationException
        at 
java.base/java.util.Collections$UnmodifiableCollection.add(Collections.java:1060)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.CollectionSerializer.read(CollectionSerializer.java:134)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.CollectionSerializer.read(CollectionSerializer.java:40)
        at 
org.apache.hudi.com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:731)
        at 
org.apache.hudi.com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:125)
        ... 56 more


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