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https://issues.apache.org/jira/browse/HADOOP-14036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15928983#comment-15928983
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Mingliang Liu commented on HADOOP-14036:
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# The base test case should cover both empty and nonempty directories. All
subclasses *should* pass.
# As individual modules need special settings for integration tests (e.g.
credentials), we can track elsewhere and fix them _if they fail_
# Alternatively I can move the newly added test to S3A of course. That will be
safer as a compromise.
What I tested: S3N works; S3A works; Aliyun OSS works; HDFS works; WebHDFS
works; RawLocalFS works.
I don't have sponsored credentials of ADL/Azure/OpenStack credentials. ADL has
a $100/mo free program for Apache committers and my petition is still pending.
> S3Guard: intermittent duplicate item keys failure
> -------------------------------------------------
>
> Key: HADOOP-14036
> URL: https://issues.apache.org/jira/browse/HADOOP-14036
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: HADOOP-13345
> Reporter: Aaron Fabbri
> Assignee: Mingliang Liu
> Attachments: HADOOP-14036-HADOOP-13345.000.patch,
> HADOOP-14036-HADOOP-13345.001.patch, HADOOP-14036-HADOOP-13345.002.patch
>
>
> I see this occasionally when running integration tests with -Ds3guard
> -Ddynamo:
> {noformat}
> testRenameToDirWithSamePrefixAllowed(org.apache.hadoop.fs.s3a.ITestS3AFileSystemContract)
> Time elapsed: 2.756 sec <<< ERROR!
> org.apache.hadoop.fs.s3a.AWSServiceIOException: move:
> com.amazonaws.services.dynamodbv2.model.AmazonDynamoDBException: Provided
> list of item keys contains duplicates (Service: AmazonDynamoDBv2; Status
> Code: 400; Error Code: ValidationException; Request ID:
> QSBVQV69279UGOB4AJ4NO9Q86VVV4KQNSO5AEMVJF66Q9ASUAAJG): Provided list of item
> keys contains duplicates (Service: AmazonDynamoDBv2; Status Code: 400; Error
> Code: ValidationException; Request ID:
> QSBVQV69279UGOB4AJ4NO9Q86VVV4KQNSO5AEMVJF66Q9ASUAAJG)
> at
> org.apache.hadoop.fs.s3a.S3AUtils.translateException(S3AUtils.java:178)
> at
> org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.move(DynamoDBMetadataStore.java:408)
> at
> org.apache.hadoop.fs.s3a.S3AFileSystem.innerRename(S3AFileSystem.java:869)
> at
> org.apache.hadoop.fs.s3a.S3AFileSystem.rename(S3AFileSystem.java:662)
> at
> org.apache.hadoop.fs.FileSystemContractBaseTest.rename(FileSystemContractBaseTest.java:525)
> at
> org.apache.hadoop.fs.FileSystemContractBaseTest.testRenameToDirWithSamePrefixAllowed(FileSystemContractBaseTest.java:669)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcces
> {noformat}
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