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https://issues.apache.org/jira/browse/ARROW-15910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17510069#comment-17510069
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Callista Rogers commented on ARROW-15910:
-----------------------------------------

Running it the first time on a fresh kernel I actually get a shorter traceback. 
The above matches the second time running traceback.
{code:java}
---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
/tmp/ipykernel_48702/3635827774.py in <module>
----> 1 table=pq.read_table(file_path,filesystem=fs)

/opt/conda/lib/python3.7/site-packages/pyarrow/parquet.py in read_table(source, 
columns, use_threads, metadata, use_pandas_metadata, memory_map, 
read_dictionary, filesystem, filters, buffer_size, partitioning, 
use_legacy_dataset, ignore_prefixes, pre_buffer, coerce_int96_timestamp_unit)
   1968                 ignore_prefixes=ignore_prefixes,
   1969                 pre_buffer=pre_buffer,
-> 1970                 coerce_int96_timestamp_unit=coerce_int96_timestamp_unit
   1971             )
   1972         except ImportError:

/opt/conda/lib/python3.7/site-packages/pyarrow/parquet.py in __init__(self, 
path_or_paths, filesystem, filters, partitioning, read_dictionary, buffer_size, 
memory_map, ignore_prefixes, pre_buffer, coerce_int96_timestamp_unit, **kwargs)
   1764 
   1765             self._dataset = ds.FileSystemDataset(
-> 1766                 [fragment], schema=fragment.physical_schema,
   1767                 format=parquet_format,
   1768                 filesystem=fragment.filesystem

/opt/conda/lib/python3.7/site-packages/pyarrow/_dataset.pyx in 
pyarrow._dataset.Fragment.physical_schema.__get__()

/opt/conda/lib/python3.7/site-packages/pyarrow/error.pxi in 
pyarrow.lib.pyarrow_internal_check_status()

/opt/conda/lib/python3.7/site-packages/pyarrow/_fs.pyx in 
pyarrow._fs._cb_open_input_file()

/opt/conda/lib/python3.7/site-packages/pyarrow/fs.py in open_input_file(self, 
path)
    392 
    393         if not self.fs.isfile(path):
--> 394             raise FileNotFoundError(path)
    395 
    396         return PythonFile(self.fs.open(path, mode="rb"), mode="r")
 {code}

> [Python] pyarrow.parquet.read_table either returns FileNotFound or 
> ArrowInvalid
> -------------------------------------------------------------------------------
>
>                 Key: ARROW-15910
>                 URL: https://issues.apache.org/jira/browse/ARROW-15910
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Parquet, Python
>    Affects Versions: 6.0.1, 7.0.0
>         Environment: GCP JupyterLab notebooks
>            Reporter: Callista Rogers
>            Priority: Major
>
> running below results in {{"GetFileIno() yielded path 
> 'myBucket/features/MyParquet.parquet/year=2022/part-0019.snappy.parquet' 
> which is outside base dir 'gs://myBucket/features/MyParquet.parquet/' "}}
> {code}
> import pyarrow.parquet as pq
> import gcsfs
> file_path="gs://myBucket/features/MyParquet.parquet/"
> fs=gcsfs.GCSFileSystem()
> table=pq.read_table(file_path,filesystem=fs) 
> {code}
> Removing the gs:// from file_path results in a {{FileNotFoundError}}. Any 
> variation of / or // at the beginning of the path gives me the 'outside base 
> dir' error.
> I also ran the below and got valid results using both file_path patterns, so 
> I know it finds the path just fine.
> {code}
> from pyarrow.fs import FileSelector, PyFileSystem, FSSpecHandler
> filesys = PyFileSystem(FSSpecHandler(fs))
> selector = FileSelector(file_path, recursive=True)
> filesys.get_file_info(selector)
> {code}



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