[jira] [Updated] (ARROW-1314) [C++] Provide installation guidance for macOS users who wish to use JNI-based HDFS interface

["Wes McKinney (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-1314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney updated ARROW-1314:
--------------------------------
    Summary: [C++] Provide installation guidance for macOS users who wish to use JNI-based HDFS interface  (was: libhdfs installation didn't work - mac)

> [C++] Provide installation guidance for macOS users who wish to use JNI-based HDFS interface
> --------------------------------------------------------------------------------------------
>
>                 Key: ARROW-1314
>                 URL: https://issues.apache.org/jira/browse/ARROW-1314
>             Project: Apache Arrow
>          Issue Type: Improvement
>         Environment: mac 10.12.6 
>            Reporter: Martin Durant
>
> Having set 
> HADOOP_HOME /Users/mdurant/Downloads/hadoop-2.8.1  (straight download, does contain libhdfs.so in native)
> java openjdk version "1.8.0_121" in anaconda install directory
> and CLASSPATH as in the docs (too long to show)
> ```
> In [3]: pa.hdfs
> ---------------------------------------------------------------------------
> AttributeError                            Traceback (most recent call last)
> <ipython-input-3-4ceca32a5f9f> in <module>()
> ----> 1 pa.hdfs
> AttributeError: module 'pyarrow' has no attribute 'hdfs'
> In [4]: pa.have_libhdfs()
> Out[4]: False
> In [5]: pa.have_libhdfs3()
> Out[5]: False
> ```
> (I also have libhdfs3.so - not .dylib - but it is not found even if included in DYLD_FALLBACK_LIBRARY_PATH)



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