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From Timothy Farkas <timothytiborfar...@gmail.com>
Subject Re: Access to S3 from YARN on EC2
Date Mon, 21 Mar 2016 01:50:51 GMT
Hi Ashutosh,

I believe you need to add the hadoop-aws jar to your project.

http://mvnrepository.com/artifact/org.apache.hadoop/hadoop-aws/2.6.0

Thanks,
Tim

On Sun, Mar 20, 2016 at 9:39 AM, Ashutosh Kumar <ashutosh.discuss@gmail.com>
wrote:

> Do I need to add some jars in lib ?
>
> Thanks
> Ashutosh
>
> On Sun, Mar 20, 2016 at 4:30 PM, Ashutosh Kumar <
> ashutosh.discuss@gmail.com> wrote:
>
>> It is not there.
>>
>> Thanks
>> Ashutosh
>>
>> On Sun, Mar 20, 2016 at 2:58 PM, Robert Metzger <rmetzger@apache.org>
>> wrote:
>>
>>> Hi,
>>>
>>> did you check if the "org.apache.hadoop.fs.s3native.NativeS3FileSystem"
>>> class is in the flink-dist.jar in the lib/ folder?
>>>
>>>
>>> On Sun, Mar 20, 2016 at 10:19 AM, Ashutosh Kumar <
>>> ashutosh.discuss@gmail.com> wrote:
>>>
>>>> I have setup a 3 node YARN based cluster on EC2. I am running flink in
>>>> cluster mode. I added these lines in core-site.xml
>>>>
>>>> <configuration>
>>>>
>>>>     <property>
>>>>         <name>fs.s3n.awsAccessKeyId</name>
>>>>         <value>accesskey</value>
>>>>     </property>
>>>>
>>>>     <property>
>>>>         <name>fs.s3n.awsSecretAccessKey</name>
>>>>         <value>secret key</value>
>>>>     </property>
>>>>     <property>
>>>>         <name>fs.s3n.impl</name>
>>>>         <value>org.apache.hadoop.fs.s3native.NativeS3FileSystem</value>
>>>>     </property>
>>>> </configuration>
>>>>
>>>> Also I added this line in conf/flink-conf.yaml
>>>>    fs.hdfs.hadoopconf: /usr/local/hadoop/etc/hadoop
>>>>
>>>>
>>>> However I am getting class not found error while accessing s3 through
>>>> s3n. I am using flink 1.0.0.
>>>>
>>>> Caused by: org.apache.flink.runtime.JobException: Creating the input
>>>> splits caused an error: java.lang.RuntimeException:
>>>> java.lang.ClassNotFoundException: Class
>>>> org.apache.hadoop.fs.s3native.NativeS3FileSystem not found
>>>>         at
>>>> org.apache.flink.runtime.executiongraph.ExecutionJobVertex.<init>(ExecutionJobVertex.java:172)
>>>>         at
>>>> org.apache.flink.runtime.executiongraph.ExecutionGraph.attachJobGraph(ExecutionGraph.java:696)
>>>>         at org.apache.flink.runtime.jobmanager.JobManager.org
>>>> $apache$flink$runtime$jobmanager$JobManager$$submitJob(JobManager.scala:1023)
>>>>         ... 25 more
>>>> Caused by: java.lang.RuntimeException: java.lang.RuntimeException:
>>>> java.lang.ClassNotFoundException: Class
>>>> org.apache.hadoop.fs.s3native.NativeS3FileSystem not found
>>>>         at
>>>> org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2227)
>>>>         at
>>>> org.apache.flink.runtime.fs.hdfs.HadoopFileSystem.getHadoopWrapperClassNameForFileSystem(HadoopFileSystem.java:460)
>>>>         at
>>>> org.apache.flink.core.fs.FileSystem.getHadoopWrapperClassNameForFileSystem(FileSystem.java:352)
>>>>         at org.apache.flink.core.fs.FileSystem.get(FileSystem.java:280)
>>>>         at org.apache.flink.core.fs.Path.getFileSystem(Path.java:311)
>>>>         at
>>>> org.apache.flink.api.common.io.FileInputFormat.createInputSplits(FileInputFormat.java:450)
>>>>         at
>>>> org.apache.flink.api.common.io.FileInputFormat.createInputSplits(FileInputFormat.java:57)
>>>>         at
>>>> org.apache.flink.runtime.executiongraph.ExecutionJobVertex.<init>(ExecutionJobVertex.java:156)
>>>>         ... 27 more
>>>> Caused by: java.lang.RuntimeException:
>>>> java.lang.ClassNotFoundException: Class
>>>> org.apache.hadoop.fs.s3native.NativeS3FileSystem not found
>>>>         at
>>>> org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2195)
>>>>         at
>>>> org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2219)
>>>>         ... 34 more
>>>> Caused by: java.lang.ClassNotFoundException: Class
>>>> org.apache.hadoop.fs.s3native.NativeS3FileSystem not found
>>>>         at
>>>> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:2101)
>>>>         at
>>>> org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2193)
>>>>         ... 35 more
>>>>
>>>>
>>>> Thanks
>>>> Ashutosh
>>>>
>>>>
>>>
>>
>

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