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https://issues.apache.org/jira/browse/HADOOP-11621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16886545#comment-16886545
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Al Johri commented on HADOOP-11621:
-----------------------------------

This tripped me up pretty hard today. It would be great to implement the <=1 or 
at least a warning message if Content-Length == 1.

For future onlookers, you can change the Content-Length to 0 like so:

*Check Content Length:*
{code:java}
aws s3api get-object --bucket mybucket --key myfolder/ /dev/stdout{code}
*Set Content Length:*
{code:java}
aws s3api put-object --bucket mybucket --key myfolder/ --content-length 0{code}

> s3a doesn't consider blobs with trailing / and content-length >0 as 
> directories
> -------------------------------------------------------------------------------
>
>                 Key: HADOOP-11621
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11621
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 2.7.0
>            Reporter: Denis Jannot
>            Priority: Major
>
> When creating a directory using the AWS Management Console, the 
> content-length is set to 0 and s3a works fine.
> When creating a directory using other tools, like S3Browse, the 
> content-length is set to 1 and s3a doesn't work:
> S3AFileSystem: Found file (with /): real file? should not happen: dir1



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