[GitHub] [spark] dongjoon-hyun edited a comment on pull request #29078: [SPARK-29292][STREAMING][SQL][BUILD] Get streaming, catalyst, sql compiling for Scala 2.13

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dongjoon-hyun edited a comment on pull request #29078:
URL: https://github.com/apache/spark/pull/29078#issuecomment-657736058


   @srowen .  Interestingly, the root cause of the failure is the following inside `ContinuousMemoryStream`. Can we revert `.map(_.toSeq)` and use a different approach?
   ```scala
     private val records = Seq.fill(numPartitions)(new ListBuffer[UnsafeRow])
   - private val recordEndpoint = new ContinuousRecordEndpoint(records, this)
   + private val recordEndpoint = new ContinuousRecordEndpoint(records.map(_.toSeq), this)
   ```


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