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https://issues.apache.org/jira/browse/SPARK-8795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Diana Carroll closed SPARK-8795.
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Resolution: Not A Problem
User configuration problem: error resulted from mismatched versions of Python
on driver and executor.
> pySpark wholeTextFiles error when mapping string
> ------------------------------------------------
>
> Key: SPARK-8795
> URL: https://issues.apache.org/jira/browse/SPARK-8795
> Project: Spark
> Issue Type: Bug
> Components: PySpark
> Environment: CentOS 6.6, Python 2.7, CDH 5.4.1
> Reporter: Diana Carroll
> Attachments: wholefilesbug.txt
>
>
> I created a test directory with two tiny text files.
> This call works:
> {code}sc.wholeTextFiles("testdata").map(lambda (fname,x):
> len(x)).collect(){code}
> This call does not:
> {code}sc.wholeTextFiles("testdata").map(lambda (fname,x):
> x.islower()).collect(){code}
> In fact, any attempt to call any string methods on X, or pass X to any
> function requiring a string, fail the same way.
> The main error is
> {code} File "/usr/lib/spark/python/pyspark/worker.py", line 101, in main
> process()
> File "/usr/lib/spark/python/pyspark/worker.py", line 96, in process
> serializer.dump_stream(func(split_index, iterator), outfile)
> File "/usr/lib/spark/python/pyspark/serializers.py", line 236, in
> dump_stream
> vs = list(itertools.islice(iterator, batch))
> File "<ipython-input-107-5192d18d0e4c>", line 1, in <lambda>
> TypeError: 'bool' object is not callable
> {code}
> Will attach full log.
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