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https://issues.apache.org/jira/browse/SPARK-13767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15349938#comment-15349938
]
Venkata Satish Kumar Reddy Pichipipati commented on SPARK-13767:
----------------------------------------------------------------
Hi Sean,
I am facing same issue(below) . I submitted the application job using
spark-submit --master yarn --deploy-mode cluster program.py
ERROR:py4j.java_gateway:An error occurred while trying to connect to the Java
server
Traceback (most recent call last):
File
"/opt/cloudera/parcels/CDH-5.7.1-1.cdh5.7.1.p0.11/lib/spark/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py",
line 690, in start
self.socket.connect((self.address, self.port))
File "/opt/cloudera/parcels/Anaconda-4.0.0/lib/python2.7/socket.py", line
228, in meth
return getattr(self._sock,name)(*args)
error: [Errno 111] Connection refused
Traceback (most recent call last):
File "program.py", line 1021, in <module> --changed the program name
''').write.mode('overwrite').parquet('path') --changed path details
File
"/opt/cloudera/parcels/CDH-5.7.1-1.cdh5.7.1.p0.11/lib/spark/python/lib/pyspark.zip/pyspark/sql/readwriter.py",
line 471, in parquet
File
"/opt/cloudera/parcels/CDH-5.7.1-1.cdh5.7.1.p0.11/lib/spark/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py",
line 811, in __call__
File
"/opt/cloudera/parcels/CDH-5.7.1-1.cdh5.7.1.p0.11/lib/spark/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py",
line 631, in send_command
File
"/opt/cloudera/parcels/CDH-5.7.1-1.cdh5.7.1.p0.11/lib/spark/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py",
line 624, in send_command
File
"/opt/cloudera/parcels/CDH-5.7.1-1.cdh5.7.1.p0.11/lib/spark/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py",
line 579, in _get_connection
File
"/opt/cloudera/parcels/CDH-5.7.1-1.cdh5.7.1.p0.11/lib/spark/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py",
line 585, in _create_connection
File
"/opt/cloudera/parcels/CDH-5.7.1-1.cdh5.7.1.p0.11/lib/spark/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py",
line 697, in start
py4j.protocol.Py4JNetworkError: An error occurred while trying to connect to
the Java server
ERROR:py4j.java_gateway:An error occurred while trying to connect to the Java
server
Traceback (most recent call last):
File
"/opt/cloudera/parcels/CDH-5.7.1-1.cdh5.7.1.p0.11/lib/spark/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py",
line 690, in start
self.socket.connect((self.address, self.port))
File "/opt/cloudera/parcels/Anaconda-4.0.0/lib/python2.7/socket.py", line
228, in meth
return getattr(self._sock,name)(*args)
error: [Errno 111] Connection refused
> 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
> Components: PySpark
> 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
> I am getting the same error executing the command : conf =
> SparkConf().setAppName("App_name").setMaster("spark://127.0.0.1:7077")
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