[jira] [Resolved] (BEAM-2429) Conflicting filesystems with used of HadoopFileSystem

["François Wagner (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-2429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

François Wagner resolved BEAM-2429.
-----------------------------------
       Resolution: Not A Bug
    Fix Version/s: 2.0.0

> Conflicting filesystems with used of HadoopFileSystem
> -----------------------------------------------------
>
>                 Key: BEAM-2429
>                 URL: https://issues.apache.org/jira/browse/BEAM-2429
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-extensions
>    Affects Versions: 2.0.0
>            Reporter: François Wagner
>            Assignee: Flavio Fiszman
>             Fix For: 2.0.0
>
>
> I'm facing issue when trying to use HadoopFileSystem in my pipeline. It looks like HadoopFileSystem is registring itself under the `file` schema (https://github.com/apache/beam/pull/2777/files#diff-330bd0854dcab6037ef0e52c05d68eb2L79), hence the following Exception is thrown when trying to register HadoopFileSystem.
> java.lang.IllegalStateException: Scheme: [file] has conflicting filesystems: [org.apache.beam.sdk.io.LocalFileSystem, org.apache.beam.sdk.io.hdfs.HadoopFileSystem]
> 	at org.apache.beam.sdk.io.FileSystems.verifySchemesAreUnique(FileSystems.java:498)
> What is the correct way to handle `hdfs` url out of the box with TextIO & AvroIO ?
> {code:java}
>     String[] args = new String[]{
>         "--hdfsConfiguration=[{\"dfs.client.use.datanode.hostname\": \"true\"}]"};
>     HadoopFileSystemOptions options = PipelineOptionsFactory
>         .fromArgs(args)
>         .withValidation()
>         .as(HadoopFileSystemOptions.class);
>     Pipeline pipeline = Pipeline.create(options); 
> {code}



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