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Posted to issues@spark.apache.org by "Sean R. Owen (Jira)" <ji...@apache.org> on 2020/08/18 15:22:00 UTC
[jira] [Commented] (SPARK-32650) Not able to Deserialize Mleap
bundle with latest spark configuration
[ https://issues.apache.org/jira/browse/SPARK-32650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17179698#comment-17179698 ]
Sean R. Owen commented on SPARK-32650:
--------------------------------------
It doesn't look like mleap works with Spark 3: https://github.com/combust/mleap That wouldn't be a Spark issue.
> Not able to Deserialize Mleap bundle with latest spark configuration
> --------------------------------------------------------------------
>
> 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
> Priority: Major
>
> 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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