ygrzjh commented on PR #11497:
URL: https://github.com/apache/iceberg/pull/11497#issuecomment-2482519323
Using the parameter io-impl: `org.apache.iceberg.aws.s3.S3FileIO`, a Kryo
serialization exception occurred in the `DataFileRewritePlanner$PlannedGroup`
class. The exception details are as follows:
```java
com.esotericsoftware.kryo.KryoException: java.lang.NullPointerException
Serialization trace:
s3 (org.apache.iceberg.aws.s3.S3FileIO)
io (org.apache.iceberg.SerializableTable)
table
(org.apache.iceberg.flink.maintenance.operator.DataFileRewritePlanner$PlannedGroup)
at
com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:82)
at
com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:495)
at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:523)
at
com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:61)
at
com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:495)
at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:523)
at
com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:61)
at
com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:495)
at com.esotericsoftware.kryo.Kryo.writeClassAndObject(Kryo.java:599)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.serialize(KryoSerializer.java:356)
......
```
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