[jira] [Resolved] (SPARK-4369) TreeModel.predict does not work with RDD

["Xiangrui Meng (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-4369?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiangrui Meng resolved SPARK-4369.
----------------------------------
       Resolution: Fixed
    Fix Version/s: 1.2.0

Issue resolved by pull request 3230
[https://github.com/apache/spark/pull/3230]

> TreeModel.predict does not work with RDD
> ----------------------------------------
>
>                 Key: SPARK-4369
>                 URL: https://issues.apache.org/jira/browse/SPARK-4369
>             Project: Spark
>          Issue Type: Bug
>          Components: MLlib, PySpark
>    Affects Versions: 1.2.0
>            Reporter: Davies Liu
>            Priority: Blocker
>             Fix For: 1.2.0
>
>
> {code}
> 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)
> {code}



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