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WARN appmaster.SliderAppMaster – python: error while loading shared libraries: libpython2.7.so.1.0: cannot open shared object file: No such file or directory” when starting LLAP while loading shared libraries

Cause

This field indicates the primary cause of the issue solved in this KB article.
This issue occurs because, the Hive user launching the Slider application picks up environment variables from Ambari-agent for newer version of Python configured, while the Slider application looks for the new Python libraries in the location of the older version of Python.
Solution

This field indicates the solution.
To help LLAP find the Libraries for the correct version of Python, do the following to resolve the issue on all Slider client nodes:

  1. Add the path of Python libraries in /etc/ld.so.conf  as in the following example (pick the path of python libraries from /var/lib/ambari-agent/ambari-env.sh):
    slidernode$ cat /etc/ld.so.conf
    include ld.so.conf.d/*.conf
    /opt/rh/python27/root/usr/lib64
  2. Run the following command to create the necessary links and cache to the most recent shared libraries found in the directories specified in /etc/ld.so.conf:
    slidernode$ ldconfig
  3. Restart Ambari agent on all the Slider client nodes.
  4. Refresh configs for Slider clients from Ambari.
  5. Restart all Hive services from Ambari.

Reference : https://stackoverflow.com/questions/20842732/libpython2-7-so-1-0-cannot-open-shared-object-file-no-such-file-or-directory

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