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https://issues.apache.org/jira/browse/SPARK-15750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeff Zhang updated SPARK-15750:
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Summary: Constructing FPGrowth fails when no numPartitions specified in
pyspark (was: Constructing FPGrowth fails when no numPartitions specified)
> Constructing FPGrowth fails when no numPartitions specified in pyspark
> ----------------------------------------------------------------------
>
> Key: SPARK-15750
> URL: https://issues.apache.org/jira/browse/SPARK-15750
> Project: Spark
> Issue Type: Bug
> Components: MLlib, PySpark
> Affects Versions: 2.0.0
> Reporter: Jeff Zhang
>
> {code}
> >>> model1 = FPGrowth.train(rdd, 0.6)
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "/Users/jzhang/github/spark-2/python/pyspark/mllib/fpm.py", line 96,
> in train
> model = callMLlibFunc("trainFPGrowthModel", data, float(minSupport),
> int(numPartitions))
> File "/Users/jzhang/github/spark-2/python/pyspark/mllib/common.py", line
> 130, in callMLlibFunc
> return callJavaFunc(sc, api, *args)
> File "/Users/jzhang/github/spark-2/python/pyspark/mllib/common.py", line
> 123, in callJavaFunc
> return _java2py(sc, func(*args))
> File
> "/Users/jzhang/github/spark-2/python/lib/py4j-0.10.1-src.zip/py4j/java_gateway.py",
> line 933, in __call__
> File "/Users/jzhang/github/spark-2/python/pyspark/sql/utils.py", line 79,
> in deco
> raise IllegalArgumentException(s.split(': ', 1)[1], stackTrace)
> pyspark.sql.utils.IllegalArgumentException: u'requirement failed: Number of
> partitions must be positive but got -1'
> {code}
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