[SPARK-33423] DoubleParam can't parse a JSON number without decimal places

• Type: Bug
• Status: In Progress
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 2.4.6
• Component/s: MLlib
• Assignee: Unassigned
• Reporter: Alexander Bouriakov
• Created: 11/Nov/20 12:52
• Updated: 23/Nov/20 04:41

Description

new DoubleParam("", "", "").jsonDecode("1")

 

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)

Issue Links

• links to: [Github] Pull Request #30462 (AngersZhuuuu)
• links to: [Github] Pull Request #30462 (AngersZhuuuu)