Robert Lugg created BEAM-8110:
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Summary: Fedora 30: ImportError: libnsl.so.1 when importing
apache_beam in Python 3
Key: BEAM-8110
URL: https://issues.apache.org/jira/browse/BEAM-8110
Project: Beam
Issue Type: Bug
Components: dependencies
Affects Versions: 2.15.0
Environment: Fedora 30, Singularity container
Reporter: Robert Lugg
{{When importing apache_beam in python, it fails because it can't find
libnsl.so.1.}}
It is fixed by running 'dnf install libnsl'. This appears to be a dependency
of Apache Arrow.
{{output:}}
{{Singularity tfx:~/tfx_image_example_gen> python}}
{{Python 3.6.9 |Anaconda, Inc.| (default, Jul 30 2019, 19:07:31) }}
{{[GCC 7.3.0] on linux}}
{{Type "help", "copyright", "credits" or "license" for more information.}}
{{>>> import apache_beam}}
{{/opt/snps/envs/tfx/lib/python3.6/site-packages/apache_beam/__init__.py:84:
UserWarning: Some syntactic constructs of Python 3 are not yet fully supported
by Apache Beam.}}
{{ 'Some syntactic constructs of Python 3 are not yet fully supported by '}}
{{Traceback (most recent call last):}}
{{ File "<stdin>", line 1, in <module>}}
{{ File
"/opt/snps/envs/tfx/lib/python3.6/site-packages/apache_beam/__init__.py", line
98, in <module>}}
{{ from apache_beam import io}}
{{ File
"/opt/snps/envs/tfx/lib/python3.6/site-packages/apache_beam/io/__init__.py",
line 29, in <module>}}
{{ from apache_beam.io.parquetio import *}}
{{ File
"/opt/snps/envs/tfx/lib/python3.6/site-packages/apache_beam/io/parquetio.py",
line 45, in <module>}}
{{ import pyarrow as pa}}
{{ File "/opt/snps/envs/tfx/lib/python3.6/site-packages/pyarrow/__init__.py",
line 49, in <module>}}
{{ from pyarrow.lib import cpu_count, set_cpu_count}}
{{ImportError: libnsl.so.1: cannot open shared object file: No such file or
directory}}
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