Prabin Banka created SPARK-1550:
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             Summary: Successive creation of spark context fails in pyspark, if 
the previous initialization of spark context had failed.
                 Key: SPARK-1550
                 URL: https://issues.apache.org/jira/browse/SPARK-1550
             Project: Spark
          Issue Type: Improvement
          Components: PySpark
            Reporter: Prabin Banka


For example;-
In PySpark, if we try to initialize spark context with insufficient arguments, 
>>>sc=SparkContext('local')
it fails with an exception 
Exception: An application name must be set in your configuration

This is all fine. 
However, any successive creation of spark context with correct arguments, also 
fails,
>>>s1=SparkContext('local', 'test1')
AttributeError: 'SparkContext' object has no attribute 'master'






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