The "pcs host auth" command fails to authenticate cluster nodes with 'Traceback ImportError : /lib64/libxslt.so.1: undefined symbol: xmlXPathDebugDumpObject, version LIBXML2_2.4.30'

Solution Verified - Updated -

Issue

  • While authenticating the cluster nodes using the command pcs host auth below Traceback error is observed :

    [root@node1 ~]# pcs host auth node1 node2
      Traceback (most recent call last):
    File "/usr/sbin/pcs", line 11, in <module>
      load_entry_point('pcs==0.10.10', 'console_scripts', 'pcs')()
    File "/usr/lib/python3.6/site-packages/pkg_resources/__init__.py", line 476, in load_entry_point
      return get_distribution(dist).load_entry_point(group, name)
    File "/usr/lib/python3.6/site-packages/pkg_resources/__init__.py", line 2700, in load_entry_point
      return ep.load()
    File "/usr/lib/python3.6/site-packages/pkg_resources/__init__.py", line 2318, in load
      return self.resolve()
    File "/usr/lib/python3.6/site-packages/pkg_resources/__init__.py", line 2324, in resolve
      module = __import__(self.module_name, fromlist=['__name__'], level=0)
    File "/usr/lib/python3.6/site-packages/pcs/entry_points/cli.py", line 9, in <module>
      from pcs.app import main
    File "/usr/lib/python3.6/site-packages/pcs/app.py", line 6, in <module>
      from pcs import (
    File "/usr/lib/python3.6/site-packages/pcs/utils.py", line 34, in <module>
      from pcs.common import (
    File "/usr/lib/python3.6/site-packages/pcs/common/const.py", line 3, in <module>
      from pcs.common.tools import Version
    File "/usr/lib/python3.6/site-packages/pcs/common/tools.py", line 11, in <module>
      from lxml import etree
    ImportError: /lib64/libxslt.so.1: undefined symbol: xmlXPathDebugDumpObject, version LIBXML2_2.4.30  <<------
    

Environment

  • Red Hat Enterprise Linux (RHEL) with the High Availability Add-On
  • Pacemaker

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