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Posted to common-issues@hadoop.apache.org by "Kihwal Lee (JIRA)" <ji...@apache.org> on 2017/04/20 16:20:04 UTC
[jira] [Commented] (HADOOP-12420) While trying to access Amazon S3
through hadoop-aws(Spark basically) I was getting Exception in thread
"main" java.lang.NoSuchMethodError:
com.amazonaws.services.s3.transfer.TransferManagerConfiguration.setMultipartUploadThreshold(I)V
[ https://issues.apache.org/jira/browse/HADOOP-12420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15976997#comment-15976997 ]
Kihwal Lee commented on HADOOP-12420:
-------------------------------------
https://github.com/aws/aws-sdk-java/pull/637
> While trying to access Amazon S3 through hadoop-aws(Spark basically) I was getting Exception in thread "main" java.lang.NoSuchMethodError: com.amazonaws.services.s3.transfer.TransferManagerConfiguration.setMultipartUploadThreshold(I)V
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-12420
> URL: https://issues.apache.org/jira/browse/HADOOP-12420
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs/s3
> Affects Versions: 2.7.1
> Reporter: Tariq Mohammad
> Assignee: Tariq Mohammad
> Priority: Minor
>
> While trying to access data stored in Amazon S3 through Apache Spark, which internally uses hadoop-aws jar I was getting the following exception :
> Exception in thread "main" java.lang.NoSuchMethodError: com.amazonaws.services.s3.transfer.TransferManagerConfiguration.setMultipartUploadThreshold(I)V
> Probable reason could be the fact that aws java sdk expects a long parameter for the setMultipartUploadThreshold(long multiPartThreshold) method, but hadoop-aws was using a parameter of type int(multiPartThreshold).
> I tried using the downloaded hadoop-aws jar and the build through its maven dependency, but in both the cases I encountered the same exception. Although I can see private long multiPartThreshold; in hadoop-aws GitHub repo, it's not getting reflected in the downloaded jar or in the jar created from maven dependency.
> Following lines in the S3AFileSystem class create this difference :
> Build from trunk :
> private long multiPartThreshold;
> this.multiPartThreshold = conf.getLong("fs.s3a.multipart.threshold", 2147483647L); => Line 267
> Build through maven dependency :
> private int multiPartThreshold;
> multiPartThreshold = conf.getInt(MIN_MULTIPART_THRESHOLD, DEFAULT_MIN_MULTIPART_THRESHOLD); => Line 249
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