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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-11687) Ignore x-* and response headers when copying an Amazon S3 object
Date Thu, 31 Mar 2016 07:37:25 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-11687?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Harsh J updated HADOOP-11687:
-----------------------------
    Attachment: HADOOP-11687.003.patch

Updated patch

* Added null checks during clone on fields that are nullable, as they appear to cause a problem
later during the CopyObject operation if a null gets through
* Fixed the findbugs suggestion
* Unrelated but added a note about core-site.xml for testing

{code}
Running org.apache.hadoop.fs.contract.s3a.TestS3AContractRename
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 130.767 sec - in org.apache.hadoop.fs.contract.s3a.TestS3AContractRename
{code}

> Ignore x-* and response headers when copying an Amazon S3 object
> ----------------------------------------------------------------
>
>                 Key: HADOOP-11687
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11687
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs/s3
>    Affects Versions: 2.7.0
>            Reporter: Denis Jannot
>         Attachments: HADOOP-11687.001.patch, HADOOP-11687.002.patch, HADOOP-11687.003.patch
>
>
> The EMC ViPR/ECS object storage platform uses proprietary headers starting by x-emc-*
(like Amazon does with x-amz-*).
> Headers starting by x-emc-* should be included in the signature computation, but it's
not done by the Amazon S3 Java SDK (it's done by the EMC S3 SDK).
> When s3a copy an object it copies all the headers, but when the object includes x-emc-*
headers, it generates a signature mismatch.
> Removing the x-emc-* headers from the copy would allow s3a to be compatible with the
EMC ViPR/ECS object storage platform.
> Removing the x-* which aren't x-amz-* headers from the copy would allow s3a to be compatible
with any object storage platform which is using proprietary headers



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