2894864 - JAUTH_CLIENT authentication fails in Spark - SAP Data Hub

Attempting to use the spark framework in spark shell to manipulate a Vora table throws an error as per the example below:

scala> dataFrame.write.format("sap.spark.vora").option("namespace","default").option("table", "TABLE001").mode(SaveMode.Append).save()

java.lang.RuntimeException: Authentication of component JAUTH_CLIENT against service null failed
(...)
Caused by: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

• SAP Data Hub 2.7.x
• Spark 2.x 

spark2, shell, dataframe, auth, ssl, hadoop, dh, bdh, spark-shell , KBA , EIM-DH-CON , Connectivity: Please use CA-DI instead. , Problem