Jeff Zhang created SPARK-15750:
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Summary: Constructing FPGrowth fails when no numPartitions
specified
Key: SPARK-15750
URL: https://issues.apache.org/jira/browse/SPARK-15750
Project: Spark
Issue Type: Bug
Components: MLlib
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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