Max  Xie created HADOOP-18968:
---------------------------------

             Summary: S3A FileSystem does not correctly ls empty directories 
after HADOOP-17199
                 Key: HADOOP-18968
                 URL: https://issues.apache.org/jira/browse/HADOOP-18968
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 3.2.4
            Reporter: Max  Xie
         Attachments: image-2023-11-10-16-36-53-337.png

After HADOOP-17199, s3a filesystem dose not  correctly ls empty directories.   
For example. 

Before HADOOP-17199

```

hdfs dfs -ls s3a://testbucket/dir/empty

 

// work right

```

 

After HADOOP-17199

```

hdfs dfs -ls s3a://testbucket/dir/empty

ls: `s3a://testbucket/dir/empty': No such file or directory

 

// wrong ouput

```

 

After Check the code, s3a empty folder don't have prefixes Or objects, it whil 
throw FIleNotFouldException.

!image-2023-11-10-16-36-53-337.png!  



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