Poonam Agrawal created SPARK-13767:
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Summary: py4j.protocol.Py4JNetworkError: An error occurred while
trying to connect to the Java server
Key: SPARK-13767
URL: https://issues.apache.org/jira/browse/SPARK-13767
Project: Spark
Issue Type: Bug
Reporter: Poonam Agrawal
I am trying to create spark context object with the following commands on
pyspark:
from pyspark import SparkContext, SparkConf
conf =
SparkConf().setAppName('App_name').setMaster("spark://local-or-remote-ip:7077").set('spark.cassandra.connection.host',
'cassandra-machine-ip').set('spark.storage.memoryFraction',
'0.2').set('spark.rdd.compress', 'true').set('spark.streaming.blockInterval',
500).set('spark.serializer',
'org.apache.spark.serializer.KryoSerializer').set('spark.scheduler.mode',
'FAIR').set('spark.mesos.coarse', 'true')
sc = SparkContext(conf=conf)
but I am getting the following error:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/spark-1.4.1/python/pyspark/conf.py", line 106, in __init__
self._jconf = _jvm.SparkConf(loadDefaults)
File
"/usr/local/lib/spark-1.4.1/python/lib/py4j-0.8.2.1-src.zip/py4j/java_gateway.py",
line 766, in __getattr__
File
"/usr/local/lib/spark-1.4.1/python/lib/py4j-0.8.2.1-src.zip/py4j/java_gateway.py",
line 362, in send_command
File
"/usr/local/lib/spark-1.4.1/python/lib/py4j-0.8.2.1-src.zip/py4j/java_gateway.py",
line 318, in _get_connection
File
"/usr/local/lib/spark-1.4.1/python/lib/py4j-0.8.2.1-src.zip/py4j/java_gateway.py",
line 325, in _create_connection
File
"/usr/local/lib/spark-1.4.1/python/lib/py4j-0.8.2.1-src.zip/py4j/java_gateway.py",
line 432, in start
py4j.protocol.Py4JNetworkError: An error occurred while trying to connect to
the Java server
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