Uploaded image for project: 'Spark'
  1. Spark
  2. SPARK-4369

TreeModel.predict does not work with RDD

    XMLWordPrintableJSON

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: 1.2.0
    • Fix Version/s: 1.2.0
    • Component/s: MLlib, PySpark
    • Labels:
      None
    • Target Version/s:

      Description

      Stack Trace
      -------------
      Traceback (most recent call last):
        File "/home/rprabhu/Coding/github/SDNDDoS/classification/DecisionTree.py",
      line 49, in <module>
          predictions = model.predict(parsedData.map(lambda x: x.features))
        File "/home/rprabhu/Software/spark/python/pyspark/mllib/tree.py", line 42,
      in predict
          return self.call("predict", x.map(_convert_to_vector))
        File "/home/rprabhu/Software/spark/python/pyspark/mllib/common.py", line
      140, in call
          return callJavaFunc(self._sc, getattr(self._java_model, name), *a)
        File "/home/rprabhu/Software/spark/python/pyspark/mllib/common.py", line
      117, in callJavaFunc
          return _java2py(sc, func(*args))
        File
      "/home/rprabhu/Software/spark/python/lib/py4j-0.8.2.1-src.zip/py4j/java_gateway.py",
      line 538, in __call__
        File
      "/home/rprabhu/Software/spark/python/lib/py4j-0.8.2.1-src.zip/py4j/protocol.py",
      line 304, in get_return_value
      py4j.protocol.Py4JError: An error occurred while calling o39.predict. Trace:
      py4j.Py4JException: Method predict([class
      org.apache.spark.api.java.JavaRDD]) does not exist
              at py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:333)
              at py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:342)
              at py4j.Gateway.invoke(Gateway.java:252)
              at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:133)
              at py4j.commands.CallCommand.execute(CallCommand.java:79)
              at py4j.GatewayConnection.run(GatewayConnection.java:207)
              at java.lang.Thread.run(Thread.java:745)
      

        Attachments

          Activity

            People

            • Assignee:
              davies Davies Liu
              Reporter:
              davies Davies Liu
            • Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: