On Fri, 21 Dec 2018 at 12:47, Shuporno Choudhury <
shuporno.choudh...@gmail.com> wrote:
> Hi,
> Your connection config uses 's3n' but your read command uses 's3a'.
> The config for s3a are:
> spark.hadoop.fs.s3a.access.key
> spark.hadoop.fs.s3a.secret.key
>
> I feel this should solve the problem.
>
> On Fri, 21 Dec 2018 at 12:09, Aakash Basu-2 [via Apache Spark User List] <
> ml+s1001560n34215...@n3.nabble.com> wrote:
>
>> Hi,
>>
>> I am trying to connect to AWS S3 and read a csv file (running POC) from a
>> bucket.
>>
>> I have s3cmd and and being able to run ls and other operation from cli.
>>
>> *Present Configuration:*
>> Python 3.7
>> Spark 2.3.1
>>
>> *JARs added:*
>> hadoop-aws-2.7.3.jar (in sync with the hadoop version used with spark)
>> aws-java-sdk-1.11.472.jar
>>
>> Trying out the following code:
>>
>> >>> sc=spark.sparkContext
>>>
>>> >>> hadoop_conf=sc._jsc.hadoopConfiguration()
>>>
>>> >>> hadoop_conf.set("fs.s3n.awsAccessKeyId", "abcd")
>>>
>>> >>> hadoop_conf.set("fs.s3n.awsSecretAccessKey", "xyz123")
>>>
>>> >>> a = spark.read.csv("s3a://test-bucket/breast-cancer-wisconsin.csv",
>>> header=True)
>>>
>>> Traceback (most recent call last):
>>>
>>> File "<stdin>", line 1, in <module>
>>>
>>> File
>>> "/Users/aakash/Downloads/spark-2.3.1-bin-hadoop2.7/python/pyspark/sql/readwriter.py",
>>> line 441, in csv
>>>
>>> return
>>> self._df(self._jreader.csv(self._spark._sc._jvm.PythonUtils.toSeq(path)))
>>>
>>> File
>>> "/Users/aakash/Downloads/spark-2.3.1-bin-hadoop2.7/python/lib/py4j-0.10.7-src.zip/py4j/java_gateway.py",
>>> line 1257, in __call__
>>>
>>> File
>>> "/Users/aakash/Downloads/spark-2.3.1-bin-hadoop2.7/python/pyspark/sql/utils.py",
>>> line 63, in deco
>>>
>>> return f(*a, **kw)
>>>
>>> File
>>> "/Users/aakash/Downloads/spark-2.3.1-bin-hadoop2.7/python/lib/py4j-0.10.7-src.zip/py4j/protocol.py",
>>> line 328, in get_return_value
>>>
>>> py4j.protocol.Py4JJavaError: An error occurred while calling o33.csv.
>>>
>>> : java.lang.NoClassDefFoundError:
>>> com/amazonaws/auth/AWSCredentialsProvider
>>>
>>> at java.lang.Class.forName0(Native Method)
>>>
>>> at java.lang.Class.forName(Class.java:348)
>>>
>>> at
>>> org.apache.hadoop.conf.Configuration.getClassByNameOrNull(Configuration.java:2134)
>>>
>>> at
>>> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:2099)
>>>
>>> at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2193)
>>>
>>> at
>>> org.apache.hadoop.fs.FileSystem.getFileSystemClass(FileSystem.java:2654)
>>>
>>> at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2667)
>>>
>>> at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:94)
>>>
>>> at
>>> org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2703)
>>>
>>> at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2685)
>>>
>>> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:373)
>>>
>>> at org.apache.hadoop.fs.Path.getFileSystem(Path.java:295)
>>>
>>> at
>>> org.apache.spark.sql.execution.streaming.FileStreamSink$.hasMetadata(FileStreamSink.scala:45)
>>>
>>> at
>>> org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:354)
>>>
>>> at
>>> org.apache.spark.sql.DataFrameReader.loadV1Source(DataFrameReader.scala:239)
>>>
>>> at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:227)
>>>
>>> at org.apache.spark.sql.DataFrameReader.csv(DataFrameReader.scala:596)
>>>
>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>
>>> at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>>
>>> at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>
>>> at java.lang.reflect.Method.invoke(Method.java:498)
>>>
>>> at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
>>>
>>> at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
>>>
>>> at py4j.Gateway.invoke(Gateway.java:282)
>>>
>>> at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
>>>
>>> at py4j.commands.CallCommand.execute(CallCommand.java:79)
>>>
>>> at py4j.GatewayConnection.run(GatewayConnection.java:238)
>>>
>>> at java.lang.Thread.run(Thread.java:748)
>>>
>>> Caused by: java.lang.ClassNotFoundException:
>>> com.amazonaws.auth.AWSCredentialsProvider
>>>
>>> at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
>>>
>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
>>>
>>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
>>>
>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>>>
>>> ... 28 more
>>>
>>>
>>> >>> a = spark.read.csv("s3a://test-bucket/breast-cancer-wisconsin.csv",
>>> header=True)
>>>
>>> Traceback (most recent call last):
>>>
>>> File "<stdin>", line 1, in <module>
>>>
>>> File
>>> "/Users/aakash/Downloads/spark-2.3.1-bin-hadoop2.7/python/pyspark/sql/readwriter.py",
>>> line 441, in csv
>>>
>>> return
>>> self._df(self._jreader.csv(self._spark._sc._jvm.PythonUtils.toSeq(path)))
>>>
>>> File
>>> "/Users/aakash/Downloads/spark-2.3.1-bin-hadoop2.7/python/lib/py4j-0.10.7-src.zip/py4j/java_gateway.py",
>>> line 1257, in __call__
>>>
>>> File
>>> "/Users/aakash/Downloads/spark-2.3.1-bin-hadoop2.7/python/pyspark/sql/utils.py",
>>> line 63, in deco
>>>
>>> return f(*a, **kw)
>>>
>>> File
>>> "/Users/aakash/Downloads/spark-2.3.1-bin-hadoop2.7/python/lib/py4j-0.10.7-src.zip/py4j/protocol.py",
>>> line 328, in get_return_value
>>>
>>> py4j.protocol.Py4JJavaError: An error occurred while calling o67.csv.
>>>
>>> : java.lang.NoClassDefFoundError:
>>> com/amazonaws/auth/AWSCredentialsProvider
>>>
>>> at java.lang.Class.forName0(Native Method)
>>>
>>> at java.lang.Class.forName(Class.java:348)
>>>
>>> at
>>> org.apache.hadoop.conf.Configuration.getClassByNameOrNull(Configuration.java:2134)
>>>
>>> at
>>> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:2099)
>>>
>>> at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2193)
>>>
>>> at
>>> org.apache.hadoop.fs.FileSystem.getFileSystemClass(FileSystem.java:2654)
>>>
>>> at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2667)
>>>
>>> at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:94)
>>>
>>> at
>>> org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2703)
>>>
>>> at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2685)
>>>
>>> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:373)
>>>
>>> at org.apache.hadoop.fs.Path.getFileSystem(Path.java:295)
>>>
>>> at
>>> org.apache.spark.sql.execution.streaming.FileStreamSink$.hasMetadata(FileStreamSink.scala:45)
>>>
>>> at
>>> org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:354)
>>>
>>> at
>>> org.apache.spark.sql.DataFrameReader.loadV1Source(DataFrameReader.scala:239)
>>>
>>> at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:227)
>>>
>>> at org.apache.spark.sql.DataFrameReader.csv(DataFrameReader.scala:596)
>>>
>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>
>>> at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>>
>>> at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>
>>> at java.lang.reflect.Method.invoke(Method.java:498)
>>>
>>> at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
>>>
>>> at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
>>>
>>> at py4j.Gateway.invoke(Gateway.java:282)
>>>
>>> at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
>>>
>>> at py4j.commands.CallCommand.execute(CallCommand.java:79)
>>>
>>> at py4j.GatewayConnection.run(GatewayConnection.java:238)
>>>
>>> at java.lang.Thread.run(Thread.java:748)
>>>
>>> Caused by: java.lang.ClassNotFoundException:
>>> com.amazonaws.auth.AWSCredentialsProvider
>>>
>>> at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
>>>
>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
>>>
>>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
>>>
>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>>>
>>> ... 28 more
>>>
>>
>> Any help?
>>
>> Thanks,
>> Aakash.
>>
>>>
>>>
>>
>>
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>
>
> --
> --Thanks,
> Shuporno Choudhury
>
--
--Thanks,
Shuporno Choudhury
