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From: kunalkhamar <git@git.apache.org>
To: reviews@spark.apache.org
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Subject: [GitHub] spark issue #17486: [SPARK-20164][SQL] AnalysisException not tolerant of nul...
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Message-Id: <20170331224846.8FFA4DFDCD@git1-us-west.apache.org>
Date: Fri, 31 Mar 2017 22:48:46 +0000 (UTC)
archived-at: Fri, 31 Mar 2017 22:48:49 -0000

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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