https://community.databricks.com/t5/data-engineering/impossible-to-read-a-custom-pipeline-scala/m-p/17450#M11471 <P> I have created a custom transformer to be used in a ml pipeline. I was able to write the pipeline to storage by extending the transformer class with DefaultParamsWritable. Reading the pipeline back in however, does not seem possible in Scala. I have tried creating a companion object with DefaultParamsReadable as seen here, but this still raises a java.lang.nosuchmethodexception (when using PipelineModel.load("path")).</P><P> Does anyone have a solution to reading custom transformers in Scala? Thank you. </P><P></P> Thu, 22 Jul 2021 14:08:02 GMT nolanreilly 2021-07-22T14:08:02Z https://community.databricks.com/t5/data-engineering/impossible-to-read-a-custom-pipeline-scala/m-p/17450#M11471 <P> I have created a custom transformer to be used in a ml pipeline. I was able to write the pipeline to storage by extending the transformer class with DefaultParamsWritable. Reading the pipeline back in however, does not seem possible in Scala. I have tried creating a companion object with DefaultParamsReadable as seen here, but this still raises a java.lang.nosuchmethodexception (when using PipelineModel.load("path")).</P><P> Does anyone have a solution to reading custom transformers in Scala? Thank you. </P><P></P> Thu, 22 Jul 2021 14:08:02 GMT https://community.databricks.com/t5/data-engineering/impossible-to-read-a-custom-pipeline-scala/m-p/17450#M11471 nolanreilly 2021-07-22T14:08:02Z https://community.databricks.com/t5/data-engineering/impossible-to-read-a-custom-pipeline-scala/m-p/111935#M44048 <P>Hi, did you ever find a solution for this?</P> Thu, 06 Mar 2025 18:52:25 GMT https://community.databricks.com/t5/data-engineering/impossible-to-read-a-custom-pipeline-scala/m-p/111935#M44048 WarrenO 2025-03-06T18:52:25Z