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Posted to jira@arrow.apache.org by "Juan Galvez (Jira)" <ji...@apache.org> on 2020/12/10 15:21:00 UTC

[jira] [Created] (ARROW-10872) pyarrow.fs.HadoopFileSystem cannot access Azure Data Lake (ADLS)

Juan Galvez created ARROW-10872:
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             Summary: pyarrow.fs.HadoopFileSystem cannot access Azure Data Lake (ADLS)
                 Key: ARROW-10872
                 URL: https://issues.apache.org/jira/browse/ARROW-10872
             Project: Apache Arrow
          Issue Type: Bug
          Components: Python
    Affects Versions: 2.0.0
            Reporter: Juan Galvez


It's not possible to open a `abfs://` or `abfss://` URI with the pyarrow.fs.HadoopFileSystem.

Using HadoopFileSystem.from_uri(path) does not work and libhdfs will throw an error saying that the authority is invalid (I checked that this is because the string is empty).

Note that the legacy pyarrow.hdfs.HadoopFileSystem interface works by doing for example:
 * pyarrow.hdfs.HadoopFileSystem(host="abfs://xxx@xxx.dfs.core.windows.net")
 * pyarrow.hdfs.connect(host="abfs://xxx@xxx.dfs.core.windows.net")

and I believe the new interface should work too by passing the full URI as "host" to `pyarrow.fs.HadoopFileSystem` constructor. However, the constructor wrongly prepends "hdfs://" at the beginning: https://github.com/apache/arrow/blob/25c736d48dc289f457e74d15d05db65f6d539447/python/pyarrow/_hdfs.pyx#L64



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