[jira] [Created] (SPARK-5558) pySpark zip function unexpected errors

["Charles Hayden (JIRA)" <ji...@apache.org>]

Charles Hayden created SPARK-5558:
-------------------------------------

             Summary: pySpark zip function unexpected errors
                 Key: SPARK-5558
                 URL: https://issues.apache.org/jira/browse/SPARK-5558
             Project: Spark
          Issue Type: Bug
          Components: PySpark
    Affects Versions: 1.2.0
            Reporter: Charles Hayden


Example:
x = sc.parallelize(range(0,5))
y = x.map(lambda x: x+1000, preservesPartitioning=True)
y.take(10)
# Also fails with the following
#y.toDebugString()
x.zip(y).collect()

Fails in the JVM: py4J: org.apache.spark.SparkException: 
Can only zip RDDs with same number of elements in each partition

If the range is changed to range(0,1000) it fails in pySpark code:
ValueError: Can not deserialize RDD with different number of items in pair: (100, 1) 



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