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https://issues.apache.org/jira/browse/BEAM-4861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16594868#comment-16594868
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Jozef Vilcek commented on BEAM-4861:
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Yes, make sense to me
> Hadoop Filesystem silently fails
> --------------------------------
>
> Key: BEAM-4861
> URL: https://issues.apache.org/jira/browse/BEAM-4861
> Project: Beam
> Issue Type: Bug
> Components: io-java-hadoop
> Reporter: Jozef Vilcek
> Assignee: Chamikara Jayalath
> Priority: Major
>
> Hi,
> beam Filesystem operations copy, rename and delete are void in SDK. Hadoop
> native filesystem operations are not and returns void. Current implementation
> in Beam ignores the result and pass as long as exception is not thrown.
> I got burned by this when using 'rename' to do a 'move' operation on HDFS. If
> target directory does not exists, operations returns false and do not touch
> the file.
> [https://github.com/apache/beam/blob/master/sdks/java/io/hadoop-file-system/src/main/java/org/apache/beam/sdk/io/hdfs/HadoopFileSystem.java#L148]
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