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https://issues.apache.org/jira/browse/HADOOP-13325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15351321#comment-15351321
 ] 

Steve Loughran commented on HADOOP-13325:
-----------------------------------------

Stack trace on a test run

{code}
testReadFullyPastEOF(org.apache.hadoop.fs.contract.s3n.TestS3NContractSeek)  
Time elapsed: 0.396 sec  <<< ERROR!
java.io.IOException: s3n://steve--frankfurt : 400 : Bad Request
        at 
org.apache.hadoop.fs.s3native.Jets3tNativeFileSystemStore.processException(Jets3tNativeFileSystemStore.java:453)
        at 
org.apache.hadoop.fs.s3native.Jets3tNativeFileSystemStore.processException(Jets3tNativeFileSystemStore.java:427)
        at 
org.apache.hadoop.fs.s3native.Jets3tNativeFileSystemStore.handleException(Jets3tNativeFileSystemStore.java:411)
        at 
org.apache.hadoop.fs.s3native.Jets3tNativeFileSystemStore.retrieveMetadata(Jets3tNativeFileSystemStore.java:181)
        at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:256)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:104)
        at org.apache.hadoop.fs.s3native.$Proxy10.retrieveMetadata(Unknown 
Source)
        at 
org.apache.hadoop.fs.s3native.NativeS3FileSystem.getFileStatus(NativeS3FileSystem.java:493)
        at 
org.apache.hadoop.fs.s3native.NativeS3FileSystem.mkdir(NativeS3FileSystem.java:618)
        at 
org.apache.hadoop.fs.s3native.NativeS3FileSystem.mkdirs(NativeS3FileSystem.java:611)
        at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:1889)
        at 
org.apache.hadoop.fs.contract.AbstractFSContractTestBase.mkdirs(AbstractFSContractTestBase.java:323)
        at 
org.apache.hadoop.fs.contract.AbstractFSContractTestBase.setup(AbstractFSContractTestBase.java:181)
        at 
org.apache.hadoop.fs.contract.AbstractContractSeekTest.setup(AbstractContractSeekTest.java:56)
        at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
        at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
        at 
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
        at 
org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
{code}

> s3n fails to work with S3 Frankfurt or Seol
> -------------------------------------------
>
>                 Key: HADOOP-13325
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13325
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/s3
>    Affects Versions: 2.6.0
>            Reporter: Steve Loughran
>            Priority: Minor
>
> The Hadoop S3N {{s3n://}} client does not work with AWS S3 Frankfurt, S3 
> Seol. 
> This is because these S3 installations support the V4 signing API.
> S3A *does* work with them —filing this JIRA just to provide a searchable bug 
> report



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