[jira] [Created] (SPARK-8090) SerializationDebugger does not handle classes with writeReplace correctly

["Tathagata Das (JIRA)" <ji...@apache.org>]

Tathagata Das created SPARK-8090:
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             Summary: SerializationDebugger does not handle classes with writeReplace correctly
                 Key: SPARK-8090
                 URL: https://issues.apache.org/jira/browse/SPARK-8090
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 1.4.0
            Reporter: Tathagata Das
            Assignee: Tathagata Das
            Priority: Minor


The following class with not serializable object used through writeReplace will not be caught correctly by the SerializationDebugger
{code}
class SerializableClassWithWriteReplace()
  extends Serializable {
  private def writeReplace(): Object = {
    new NotSerializableObjectI()
  }
}
{code}

The reason is that SerializationDebugger does not check the type of the replaced object (whether serializable or not). 



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