java.lang.AbstractMethodError: pyspark_cassandra.DeferringRowReader.read(Lcom/datastax/driver/core/Row;Lcom/datastax/spark/connector/CassandraRowMetadata;)Ljava/lang/Object;

GitHub | orencp | 3 months ago
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    AbstractMethodError while using pyspark with cassandra

    Stack Overflow | 3 months ago | orenco
    java.lang.AbstractMethodError: pyspark_cassandra.DeferringRowReader.read(Lcom/datastax/driver/core/Row;Lcom/datastax/spark/connector/CassandraRowMetadata;)Ljava/lang/Object;
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    AbstractMethodError while using pyspark with cassandra

    GitHub | 3 months ago | orencp
    java.lang.AbstractMethodError: pyspark_cassandra.DeferringRowReader.read(Lcom/datastax/driver/core/Row;Lcom/datastax/spark/connector/CassandraRowMetadata;)Ljava/lang/Object;
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    GremlinPipeLine Exception: java.lang.AbstractMethodError

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    java.lang.AbstractMethodError: com.thinkaurelius.titan.graphdb.query.VertexCentricQueryBuilder.has(Ljava/lang/String;Lcom/tinkerpop/blueprints/Predicate;Ljava/lang/Object;)Lcom/tinkerpop/blueprints/VertexQuery;

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    Root Cause Analysis

    1. 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$$anonfun$17.apply()
    2. spark-cassandra-connector
      CassandraTableScanRDD$$anonfun$17.apply
      1. com.datastax.spark.connector.rdd.CassandraTableScanRDD$$anonfun$17.apply(CassandraTableScanRDD.scala:315)
      2. com.datastax.spark.connector.rdd.CassandraTableScanRDD$$anonfun$17.apply(CassandraTableScanRDD.scala:315)
      2 frames
    3. Scala
      Iterator$$anon$13.next
      1. scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
      2. scala.collection.Iterator$$anon$13.next(Iterator.scala:372)
      2 frames
    4. spark-cassandra-connector
      CountingIterator.next
      1. com.datastax.spark.connector.util.CountingIterator.next(CountingIterator.scala:16)
      1 frame
    5. Scala
      AbstractIterator.foreach
      1. scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
      2. scala.collection.Iterator$GroupedIterator.takeDestructively(Iterator.scala:914)
      3. scala.collection.Iterator$GroupedIterator.go(Iterator.scala:929)
      4. scala.collection.Iterator$GroupedIterator.fill(Iterator.scala:968)
      5. scala.collection.Iterator$GroupedIterator.hasNext(Iterator.scala:972)
      6. scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
      7. scala.collection.Iterator$class.foreach(Iterator.scala:727)
      8. scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
      8 frames
    6. Spark
      PythonRunner$WriterThread.run
      1. org.apache.spark.api.python.PythonRDD$.writeIteratorToStream(PythonRDD.scala:452)
      2. org.apache.spark.api.python.PythonRunner$WriterThread$$anonfun$run$3.apply(PythonRDD.scala:280)
      3. org.apache.spark.util.Utils$.logUncaughtExceptions(Utils.scala:1766)
      4. org.apache.spark.api.python.PythonRunner$WriterThread.run(PythonRDD.scala:239)
      4 frames