Github user kunalkhamar commented on the issue:
https://github.com/apache/spark/pull/17486
@gatorsmile Verified the behaviour using this, it makes `plan` null upon
deserialization.
```
import java.io._
import org.apache.spark.sql.AnalysisException
lazy val exception = new AnalysisException("", None, None, plan = None)
// Serialize exception
lazy val bo = new ByteArrayOutputStream()
lazy val o = new ObjectOutputStream(bo)
o.writeObject(exception)
lazy val bytes = bo.toByteArray
// Deserialize ex
lazy val bi = new ByteArrayInputStream(bytes)
lazy val i = new ObjectInputStream(bi)
lazy val deserialized = i.readObject.asInstanceOf[AnalysisException]
println(deserialized.plan)
```
Not sure what to add and where in the scala-style-guide?
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