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Spark Transformer Tutorial issues

Following tutorial to build my own (Java) custom SparkTransformer and I get exceptions such as

Pipeline Status: RUN_ERROR: java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/type/ReferenceType

Pipeline Status: RUN_ERROR: java.lang.NoClassDefFoundError: Could not initialize class org.apache.spark.rdd.RDDOperationScope$

I guess its a config issue but online documentation is of no help

Spark Transformer Tutorial issues

Following tutorial to build my own (Java) custom SparkTransformer and I get exceptions such as

Pipeline Status: RUN_ERROR: java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/type/ReferenceType

Pipeline Status: RUN_ERROR: java.lang.NoClassDefFoundError: Could not initialize class org.apache.spark.rdd.RDDOperationScope$

I guess its a config issue but online documentation is of no help