Comments (2)
vruusmann
commented on August 11, 2024
1
The spark assembly in HDP 2.4 had an incompatible version of jpmml that is not shaded.
You can always shade JPMML classes in your application (eg. relocating class org.dmg.pmml.DataField to com.mycompany.org.dmg.pmml.DataField), so that these kind of class version conflicts are avoided.
If you're not familiar with Apache Maven and shading, then you should use the JPMML-SparkML-Package instead of JPMML-SparkML. The latter should be regarded as "middleware product", not as "finished product".
Also, you should be invoking ConverterUtil#toPMMLByteArray(StructType, PipelineModel) instead of ConverterUtil#toPMML(...). The result type of this method is a Java byte array (byte[]), which is easy to move between shaded/unshaded environments.
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damiencarol
commented on August 11, 2024
@vruusmann yes, I shaded JPMML classes. And it worked.
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