java.lang.AbstractMethodError

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    • java.lang.AbstractMethodError: pyspark_cassandra.DeferringRowReader.read(Lcom/datastax/driver/core/Row;Lcom/datastax/spark/connector/CassandraRowMetadata;)Ljava/lang/Object; at com.datastax.spark.connector.rdd.CassandraTableScanRDD$$anonfun$17.apply(CassandraTableScanRDD.scala:315) at com.datastax.spark.connector.rdd.CassandraTableScanRDD$$anonfun$17.apply(CassandraTableScanRDD.scala:315) at scala.collection.Iterator$$anon$11.next(Iterator.scala:328) at scala.collection.Iterator$$anon$13.next(Iterator.scala:372) at com.datastax.spark.connector.util.CountingIterator.next(CountingIterator.scala:16) at scala.collection.Iterator$$anon$11.next(Iterator.scala:328) at scala.collection.Iterator$GroupedIterator.takeDestructively(Iterator.scala:914) at scala.collection.Iterator$GroupedIterator.go(Iterator.scala:929) at scala.collection.Iterator$GroupedIterator.fill(Iterator.scala:968) at scala.collection.Iterator$GroupedIterator.hasNext(Iterator.scala:972) at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327) at scala.collection.Iterator$class.foreach(Iterator.scala:727) at scala.collection.AbstractIterator.foreach(Iterator.scala:1157) at org.apache.spark.api.python.PythonRDD$.writeIteratorToStream(PythonRDD.scala:452) at org.apache.spark.api.python.PythonRunner$WriterThread$$anonfun$run$3.apply(PythonRDD.scala:280) at org.apache.spark.util.Utils$.logUncaughtExceptions(Utils.scala:1766) at org.apache.spark.api.python.PythonRunner$WriterThread.run(PythonRDD.scala:239)
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