I receive this error:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File
"/home/ubuntu/spark-1.0.0-rc2/python/pyspark/mllib/classification.py", line
178, in train
ans = sc._jvm.PythonMLLibAPI().trainNaiveBayes(dataBytes._jrdd, lambda_)
File
"/home/ubuntu/spark-1.0.0-rc2/python/lib/py4j-0.8.1-src.zip/py4j/java_gateway.py",
line 535, in __call__
File
"/home/ubuntu/spark-1.0.0-rc2/python/lib/py4j-0.8.1-src.zip/py4j/java_gateway.py",
line 368, in send_command
File
"/home/ubuntu/spark-1.0.0-rc2/python/lib/py4j-0.8.1-src.zip/py4j/java_gateway.py",
line 361, in send_command
File
"/home/ubuntu/spark-1.0.0-rc2/python/lib/py4j-0.8.1-src.zip/py4j/java_gateway.py",
line 317, in _get_connection
File
"/home/ubuntu/spark-1.0.0-rc2/python/lib/py4j-0.8.1-src.zip/py4j/java_gateway.py",
line 324, in _create_connection
File
"/home/ubuntu/spark-1.0.0-rc2/python/lib/py4j-0.8.1-src.zip/py4j/java_gateway.py",
line 431, in start
py4j.protocol.Py4JNetworkError: An error occurred while trying to connect
to the Java server
