I am sending this to the OpenStack discuss mailing list where you might be able to receive more help. I have tagged both the Horizon and Keystone teams as the error seems to be from Horizon and concerning Keystone. 

In order to provide more assistance, information as to what you were doing at the time will be needed. Please confirm this is OpenStack Rocky on CentOS and how you installed, from scratch, TripleO, OpenStack-Ansible, etc.

Thanks,

Amy (spotz)



Rocky+Centos 7.7 64bit,

2020-02-01 18:26:38.063938 ArgsAlreadyParsedError: arguments already parsed: cannot register CLI option

2020-02-01 18:26:38.549453 mod_wsgi (pid=82228): Target WSGI script '/usr/bin/keystone-wsgi-public' cannot be loaded as Python module.

2020-02-01 18:26:38.549516 mod_wsgi (pid=82228): Exception occurred processing WSGI script '/usr/bin/keystone-wsgi-public'.

2020-02-01 18:26:38.549558 Traceback (most recent call last):

2020-02-01 18:26:38.549600   File "/usr/bin/keystone-wsgi-public", line 54, in <module>

2020-02-01 18:26:38.549666     application = initialize_public_application()

2020-02-01 18:26:38.549695   File "/usr/lib/python2.7/site-packages/keystone/server/wsgi.py", line 24, in initialize_public_application

2020-02-01 18:26:38.549763     name='public', config_files=flask_core._get_config_files())

2020-02-01 18:26:38.549799   File "/usr/lib/python2.7/site-packages/keystone/server/flask/core.py", line 149, in initialize_application

2020-02-01 18:26:38.549862     keystone.server.configure(config_files=config_files)

2020-02-01 18:26:38.549897   File "/usr/lib/python2.7/site-packages/keystone/server/__init__.py", line 28, in configure

2020-02-01 18:26:38.549958     keystone.conf.configure()

2020-02-01 18:26:38.549988   File "/usr/lib/python2.7/site-packages/keystone/conf/__init__.py", line 125, in configure

2020-02-01 18:26:38.550040     help='Do not monkey-patch threading system modules.'))

2020-02-01 18:26:38.550084   File "/usr/lib/python2.7/site-packages/oslo_config/cfg.py", line 2501, in __inner

2020-02-01 18:26:38.550137     result = f(self, *args, **kwargs)

2020-02-01 18:26:38.550164   File "/usr/lib/python2.7/site-packages/oslo_config/cfg.py", line 2776, in register_cli_opt

2020-02-01 18:26:38.550225     raise ArgsAlreadyParsedError("cannot register CLI option")

2020-02-01 18:26:38.550276 ArgsAlreadyParsedError: arguments already parsed: cannot register CLI option

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