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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14140) S3A reporting "Not found on empty bucket
Date Sun, 05 Mar 2017 13:00:34 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15896251#comment-15896251

Steve Loughran commented on HADOOP-14140:

don't worry about spark for now, it will only complicate your life. Replicate this in a snippet
of a junit test or with the 'hadoop fs' command.

Once you are confident it works, then you could look at spark
# you can't mix them unless you replace every hadoop-* JAR
# if you look at SPARK-7481 you can get the PR I use to build this stuff

However, before you bother, consider this. There is no point running any analytics query against
an empty bucket. There's no data, there's no answer. It's a corner case, which is why it didn't
surface for a while. Prioritise your problems.

> S3A reporting "Not found on empty bucket
> ----------------------------------------
>                 Key: HADOOP-14140
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14140
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/s3
>    Affects Versions: 2.7.3
>         Environment: Non-AWS s3 implementation
>            Reporter: Vishnu Vardhan
>            Priority: Minor
> Hi:
> UPDATE: This stack trace is being caused because there are 0 objects in the target directory.
S3A is unable to handle 0 objects
> ---
> Connecting S3A to a 3rd party object store does not work. This is a publicly hosted grid
and i can provide credentials if required. Please see the debug log below
> There are two problems -
> 1. Path Style setting is ignored, and S3A always uses host style addressing
> 2. Even when host style is specified, it is unable to proceed, see debug log (in comment

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