Comments (2)
vruusmann
commented on July 18, 2024
That's a class loading conflict.
Namely, if you load the JPMML-Evaluator library in "standalone mode", then it will look up the latest and greatest version of the JPMML-Model library. However, if you load it inside Apache Spark, then it will be forcibly paired with a legacy version of the JPMML-Model library (included in Apache Spark distribution for MLlib PMML export needs), which fails to meet several expectations (eg. doesn't know about the org.dmg.pmml.Indexable interface).
Next to the JPMML-Model library, there's a similar class loading conflict (waiting just around the corner) in relation to the Google Guava library.
To overcome this problem, you should use the "package relocation" mechanism of the Apache Maven Shade plugin. Please see the POM file of the pmml-spark-example module of the JPMML-Spark project: https://github.com/jpmml/jpmml-spark/blob/master/pmml-spark-example/pom.xml
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acrisci
commented on July 18, 2024
Thanks. Using the package relocations like in that project fixed the issue 👍.
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Related Issues (20)
- API for Shapley value estimation HOT 2
- How to work with an association rules model (`AssociationModel` element)? HOT 8
- JPMML is enforcing the definition of target fields while the spec says it is optional HOT 6
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- Ability to run multiple JPMML-Evaluator versions in parallel (inside the same JVM) HOT 1
- NumberFormatException for evaluate "Random Survival Forest Model" generated by "SoftwareAG PMML Generator" HOT 3
- Compatibility with GraalVM HOT 12
- Not happy with XGBoost evaluation performance HOT 3
- How to load pre-transpiled PMML service provider JAR files? HOT 2
- Model verification fails for XGBoost models HOT 1
- No class def found for jakarta/xml/bind/JAXBContext HOT 3
- java.lang.IllegalArgumentException: Name cannot be empty HOT 1
- java.lang.NoClassDefFoundError: Could not initialize class org.jpmml.evaluator.FieldUtil HOT 4
- If the version 1.6.4 could work on java 8? HOT 1
- Field pmml(pred) is not defined. HOT 5
- DuplicatedFieldValueException after loading PMML in Java generated by Nyoka HOT 8
- 1.6.4 cannot run on java 8
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- Updating Guava dependency to latest HOT 4
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