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https://issues.apache.org/jira/browse/SPARK-25786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16657688#comment-16657688
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Apache Spark commented on SPARK-25786:
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User '10110346' has created a pull request for this issue:
https://github.com/apache/spark/pull/22779
> If the ByteBuffer.hasArray is false , it will throw
> UnsupportedOperationException for Kryo
> ------------------------------------------------------------------------------------------
>
> Key: SPARK-25786
> URL: https://issues.apache.org/jira/browse/SPARK-25786
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.0.0
> Reporter: liuxian
> Priority: Major
>
> `{color:#ffc66d}deserialize{color}` for kryo, the type of input parameter is
> ByteBuffer, if it is not backed by an accessible byte array. it will throw
> UnsupportedOperationException
> Exception Info:
> java.lang.UnsupportedOperationException was thrown.
> java.lang.UnsupportedOperationException
> at java.nio.ByteBuffer.array(ByteBuffer.java:994)
> at
> org.apache.spark.serializer.KryoSerializerInstance.deserialize(KryoSerializer.scala:362)
>
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