Hey Shuporno,
Thanks for a prompt reply. Thanks for noticing the silly mistake, I tried
this out, but still getting another error, which is related to connectivity
it seems.
>>> hadoop_conf.set("fs.s3a.awsAccessKeyId", "abcd")
> >>> hadoop_conf.set("fs.s3a.awsSecretAccessKey", "123abc")
> >>> 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 o220.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
Thanks,
Aakash.
On Fri, Dec 21, 2018 at 12:51 PM Shuporno Choudhury <
shuporno.choudh...@gmail.com> wrote:
>
>
> 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.
>>>
>>>>
>>>>
>>>
>>>
>>> ------------------------------
>>> If you reply to this email, your message will be added to the discussion
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>>>
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>>>
>>
>>
>> --
>> --Thanks,
>> Shuporno Choudhury
>>
>
>
> --
> --Thanks,
> Shuporno Choudhury
>
