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https://issues.apache.org/jira/browse/SPARK-16580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-16580.
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Resolution: Duplicate
> [WARN] class Accumulator in package spark is deprecated: use AccumulatorV2
> --------------------------------------------------------------------------
>
> Key: SPARK-16580
> URL: https://issues.apache.org/jira/browse/SPARK-16580
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.0.0
> Reporter: Xin Ren
> Priority: Minor
>
> When I was working on the R wrapper, I found the compile warn.
> {code}
> > project mllib
> > console
> [warn]
> /Users/renxin/workspace/spark/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala:78:
> class Accumulator in package spark is deprecated: use AccumulatorV2
> [warn] accumulator: Accumulator[JList[Array[Byte]]])
> [warn]
> [warn]
> /Users/renxin/workspace/spark/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala:78:
> class Accumulator in package spark is deprecated: use AccumulatorV2
> [warn] accumulator: Accumulator[JList[Array[Byte]]])
> [warn]
> [warn]
> /Users/renxin/workspace/spark/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala:78:
> class Accumulator in package spark is deprecated: use AccumulatorV2
> [warn] accumulator: Accumulator[JList[Array[Byte]]])
> [warn]
> [warn]
> /Users/renxin/workspace/spark/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala:71:
> class Accumulator in package spark is deprecated: use AccumulatorV2
> [warn] private[spark] case class PythonFunction(
> [warn]
> [warn]
> /Users/renxin/workspace/spark/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala:78:
> class Accumulator in package spark is deprecated: use AccumulatorV2
> [warn] accumulator: Accumulator[JList[Array[Byte]]])
> [warn]
> [warn]
> /Users/renxin/workspace/spark/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala:873:
> trait AccumulatorParam in package spark is deprecated: use AccumulatorV2
> [warn] extends AccumulatorParam[JList[Array[Byte]]] {
> [warn]
> [warn]
> /Users/renxin/workspace/spark/core/src/main/scala/org/apache/spark/util/AccumulatorV2.scala:459:
> trait AccumulableParam in package spark is deprecated: use AccumulatorV2
> [warn] param: org.apache.spark.AccumulableParam[R, T]) extends
> AccumulatorV2[T, R] {
> [warn]
> [warn]
> /Users/renxin/workspace/spark/core/src/main/scala/org/apache/spark/util/AccumulatorV2.scala:459:
> trait AccumulableParam in package spark is deprecated: use AccumulatorV2
> [warn] param: org.apache.spark.AccumulableParam[R, T]) extends
> AccumulatorV2[T, R] {
> [warn]
> {code}
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