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From Ashutosh Kumar <ashutosh.disc...@gmail.com>
Subject Re: Access to S3 from YARN on EC2
Date Sun, 20 Mar 2016 11:00:19 GMT
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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