py4j.Py4JException: Constructor org.apache.spark.api.python.PythonRDD([class org.apache.spark.rdd.CartesianRDD, class [B, class java.util.HashMap, class java.util.ArrayList, class java.lang. , class java.lang. , class java.util.ArrayList, class org.apache.spark.Accumulator, class scala.reflect.ManifestFactory$$anon$2]) does not exist

atlassian.net | 4 months ago
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    [SPARK-1034] Py4JException on PySpark Cartesian Result - JIRA

    atlassian.net | 4 months ago
    py4j.Py4JException: Constructor org.apache.spark.api.python.PythonRDD([class org.apache.spark.rdd.CartesianRDD, class [B, class java.util.HashMap, class java.util.ArrayList, class java.lang. , class java.lang. , class java.util.ArrayList, class org.apache.spark.Accumulator, class scala.reflect.ManifestFactory$$anon$2]) does not exist
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    GitHub comment 7#96830377

    GitHub | 2 years ago | rustyrazorblade
    py4j.Py4JException: Constructor com.datastax.spark.connector.rdd.ReadConf([class java.lang.Integer, class java.lang.Integer, class com.datastax.driver.core.ConsistencyLevel]) does not exist
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    Stack Overflow | 2 years ago | artemdevel
    py4j.Py4JException: Method predict([class org.apache.spark.api.java.JavaRDD]) does not exist
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    java.util.HashMap missing in PySpark session

    Stack Overflow | 1 year ago | Techrocket9
    py4j.Py4JException: Method mode([class java.util.HashMap]) does not exist
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    Spark 1.4.1 py4j.Py4JException: Method read([]) does not exist

    Stack Overflow | 1 year ago | Marco Rosas
    py4j.Py4JException: Method read([]) does not exist at py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:333)

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    Root Cause Analysis

    1. py4j.Py4JException

      Constructor org.apache.spark.api.python.PythonRDD([class org.apache.spark.rdd.CartesianRDD, class [B, class java.util.HashMap, class java.util.ArrayList, class java.lang. , class java.lang. , class java.util.ArrayList, class org.apache.spark.Accumulator, class scala.reflect.ManifestFactory$$anon$2]) does not exist

      at py4j.reflection.ReflectionEngine.getConstructor()
    2. Py4J
      GatewayConnection.run
      1. py4j.reflection.ReflectionEngine.getConstructor(ReflectionEngine.java:184)
      2. py4j.reflection.ReflectionEngine.getConstructor(ReflectionEngine.java:202)
      3. py4j.Gateway.invoke(Gateway.java:213)
      4. py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:79)
      5. py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:68)
      6. py4j.GatewayConnection.run(GatewayConnection.java:207)
      6 frames