[jira] [Created] (SPARK-32650) MLeap 0.16.1 version is not compatible with spark: 3.0.0 and scala: 2.12 version

["Vaishali Papneja (Jira)" <ji...@apache.org>]

Vaishali Papneja created SPARK-32650:
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             Summary: MLeap 0.16.1 version is not compatible with spark: 3.0.0 and scala: 2.12 version
                 Key: SPARK-32650
                 URL: https://issues.apache.org/jira/browse/SPARK-32650
             Project: Spark
          Issue Type: Bug
          Components: Build
    Affects Versions: 3.0.0
            Reporter: Vaishali Papneja


Hi,

 

I am using Databricks cluster with configuration as Spark: 3.0.0 and Scala: 2.12 and want to create Machine Learning pipelines using MLeap - latest version: 0.16.1.

In my pipeline, I have created ensemble model. I am to serialize the model to a bundle.

But the issue comes while deserializing it. Below is the error I am facing:
_java.lang.NoSuchMethodError: org.apache.spark.mllib.tree.impurity.ImpurityCalculator$.getCalculator(Ljava/lang/String;[D)Lorg/apache/spark/mllib/tree/impurity/ImpurityCalculator;_
 
I tried using another cluster with the configuration as - spark: 2.4.5, scala: 2.11 and MLeap: 0.16.0. There it is working fine.

Please suggest.



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