Andrew Davidson created SPARK-17172:
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Summary: pyspak hiveContext can not create UDF: Py4JJavaError: An
error occurred while calling None.org.apache.spark.sql.hive.HiveContext.
Key: SPARK-17172
URL: https://issues.apache.org/jira/browse/SPARK-17172
Project: Spark
Issue Type: Bug
Components: PySpark
Affects Versions: 1.6.2
Environment: spark version: 1.6.2
python version: 3.4.2 (v3.4.2:ab2c023a9432, Oct 5 2014, 20:42:22)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)]
Reporter: Andrew Davidson
from pyspark.sql import HiveContext
sqlContext = HiveContext(sc)
# Define udf
from pyspark.sql.functions import udf
def scoreToCategory(score):
if score >= 80: return 'A'
elif score >= 60: return 'B'
elif score >= 35: return 'C'
else: return 'D'
udfScoreToCategory=udf(scoreToCategory, StringType())
throws exception
Py4JJavaError: An error occurred while calling
None.org.apache.spark.sql.hive.HiveContext.
: java.lang.RuntimeException: java.lang.RuntimeException: Unable to instantiate
org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient
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