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https://issues.apache.org/jira/browse/SPARK-33423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17237116#comment-17237116
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Apache Spark commented on SPARK-33423:
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User 'AngersZhuuuu' has created a pull request for this issue:
https://github.com/apache/spark/pull/30462
> DoubleParam can't parse a JSON number without decimal places
> ------------------------------------------------------------
>
> Key: SPARK-33423
> URL: https://issues.apache.org/jira/browse/SPARK-33423
> Project: Spark
> Issue Type: Bug
> Components: MLlib
> Affects Versions: 2.4.6
> Reporter: Alexander Bouriakov
> Priority: Minor
>
> {quote}{color:#0033b3}new {color}DoubleParam({color:#067d17}""{color},
> {color:#067d17}""{color},
> {color:#067d17}""{color}).jsonDecode({color:#067d17}"1"{color})
> {quote}
>
> throws an following exception (see below). It would be great if it could make
> a double from a JInt (trivial)
>
> {{ java.lang.IllegalArgumentException: Cannot decode JInt(1) to Double.}}
> {{at org.apache.spark.ml.param.DoubleParam$.jValueDecode(params.scala:380)}}
> {{at org.apache.spark.ml.param.DoubleParam.jsonDecode(params.scala:349)}}
> {{at org.apache.spark.ml.param.DoubleParam.jsonDecode(params.scala:330)}}
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