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From "Dongjoon Hyun (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-29401) Replace ambiguous varargs call parallelize(Array) with parallelize(Seq)
Date Wed, 09 Oct 2019 03:23:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-29401?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dongjoon Hyun resolved SPARK-29401.
-----------------------------------
    Fix Version/s: 3.0.0
       Resolution: Fixed

Issue resolved by pull request 26062
[https://github.com/apache/spark/pull/26062]

> Replace ambiguous varargs call parallelize(Array) with parallelize(Seq)
> -----------------------------------------------------------------------
>
>                 Key: SPARK-29401
>                 URL: https://issues.apache.org/jira/browse/SPARK-29401
>             Project: Spark
>          Issue Type: Sub-task
>          Components: ML, Spark Core
>    Affects Versions: 3.0.0
>            Reporter: Sean R. Owen
>            Assignee: Sean R. Owen
>            Priority: Minor
>             Fix For: 3.0.0
>
>
> Another general class of Scala 2.13 compile errors:
> {code}
> [ERROR] [Error] /Users/seanowen/Documents/spark_2.13/core/src/test/scala/org/apache/spark/ShuffleSuite.scala:47:
overloaded method value apply with alternatives:
>   (x: Unit,xs: Unit*)Array[Unit] <and>
>   (x: Double,xs: Double*)Array[Double] <and>
>   (x: Float,xs: Float*)Array[Float] <and>
>   (x: Long,xs: Long*)Array[Long] <and>
>   (x: Int,xs: Int*)Array[Int] <and>
>   (x: Char,xs: Char*)Array[Char] <and>
>   (x: Short,xs: Short*)Array[Short] <and>
>   (x: Byte,xs: Byte*)Array[Byte] <and>
>   (x: Boolean,xs: Boolean*)Array[Boolean]
>  cannot be applied to ((Int, Int), (Int, Int), (Int, Int), (Int, Int))
> {code}
> All of these (almost all?) are from calls to {{SparkContext.parallelize}} with an Array
of tuples. We can replace them with Seqs, which seems to work.



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