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https://issues.apache.org/jira/browse/HADOOP-15542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved HADOOP-15542.
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Resolution: Won't Fix
> S3AFileSystem - FileAlreadyExistsException when prefix is a file and part of
> a directory tree
> ---------------------------------------------------------------------------------------------
>
> Key: HADOOP-15542
> URL: https://issues.apache.org/jira/browse/HADOOP-15542
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/s3
> Affects Versions: 2.7.5, 3.1.0
> Reporter: t oo
> Priority: Blocker
>
> We are running Apache Spark jobs with aws-java-sdk-1.7.4.jar
> hadoop-aws-2.7.5.jar to write parquet files to an S3 bucket. We have the key
> 's3://mybucket/d1/d2/d3/d4/d5/d6/d7' in s3 (d7 being a text file). We also
> have keys
> 's3://mybucket/d1/d2/d3/d4/d5/d6/d7/d8/d9/part_dt=20180615/a.parquet'
> (a.parquet being a file)
> When we run a spark job to write b.parquet file under
> 's3://mybucket/d1/d2/d3/d4/d5/d6/d7/d8/d9/part_dt=20180616/' (ie would like
> to have 's3://mybucket/d1/d2/d3/d4/d5/d6/d7/d8/d9/part_dt=20180616/b.parquet'
> get created in s3) we get the below error
>
>
> org.apache.hadoop.fs.FileAlreadyExistsException: Can't make directory for
> path 's3a://mybucket/d1/d2/d3/d4/d5/d6/d7' since it is a file.
> at org.apache.hadoop.fs.s3a.S3AFileSystem.mkdirs(S3AFileSystem.java:861)
> at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:1881)
>
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