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    Maybe you can see more details on the error in keystone.log<br>
    I remember a bug where keystone didn't properly enforce oslo.log,
    try upgrading that package maybe they missed it again, causing
    versionutils STEIN global to not be there.<br>
    <br>
    <div class="moz-cite-prefix">On 1/28/20 4:52 PM, Alfredo Moralejo
      Alonso wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CACrbaxjPRb36=1Wc3FDTVBrhRLTvCqBVMmUn8TUJ=z1wWj0XgA@mail.gmail.com">
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      <div dir="ltr">
        <div>Hi,<br>
        </div>
        <br>
        <div class="gmail_quote">
          <div dir="ltr" class="gmail_attr">On Tue, Jan 28, 2020 at 4:25
            PM Pradeep Pal <<a href="mailto:pspal83@gmail.com"
              moz-do-not-send="true">pspal83@gmail.com</a>> wrote:<br>
          </div>
          <blockquote class="gmail_quote" style="margin:0px 0px 0px
            0.8ex;border-left:1px solid
            rgb(204,204,204);padding-left:1ex">
            <div dir="ltr">Hi,
              <div><br>
              </div>
              <div>We are using OpenStack version, Stien, with Centos
                7.7 64 bit</div>
            </div>
            <br>
          </blockquote>
          <div><br>
          </div>
          <div>How are you deploying it?, using packstack? tripleo?<br>
          </div>
          <div> </div>
          <blockquote class="gmail_quote" style="margin:0px 0px 0px
            0.8ex;border-left:1px solid
            rgb(204,204,204);padding-left:1ex">
            <div class="gmail_quote">
              <div dir="ltr" class="gmail_attr">On Tue, Jan 28, 2020 at
                8:53 PM Pradeep Pal <<a
                  href="mailto:pspal83@gmail.com" target="_blank"
                  moz-do-not-send="true">pspal83@gmail.com</a>>
                wrote:<br>
              </div>
              <blockquote class="gmail_quote" style="margin:0px 0px 0px
                0.8ex;border-left:1px solid
                rgb(204,204,204);padding-left:1ex">
                <div dir="ltr">
                  <div dir="ltr">Hi,
                    <div><br>
                    </div>
                    <div>Kindly help me to solve this issue, please find
                      the logs below.</div>
                    <div><br>
                    </div>
                    <div>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">File
                          "/usr/bin/keystone-wsgi-public", line 52, in
                          <module></span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:27.158934
                          <span>    </span>application =
                          initialize_public_application()</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:27.158966
                          <span>  </span>File
                          "/usr/lib/python2.7/site-packages/keystone/server/wsgi.py",
                          line 24, in initialize_public_application</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:27.159016
                          <span>    </span>name='public',
                          config_files=flask_core._get_config_files())</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:27.159044
                          <span>  </span>File
                          "/usr/lib/python2.7/site-packages/keystone/server/flask/core.py",
                          line 151, in initialize_application</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:27.159098
                          <span>    </span>keystone.server.configure(config_files=config_files)</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:27.159132
                          <span>  </span>File
                          "/usr/lib/python2.7/site-packages/keystone/server/__init__.py",
                          line 28, in configure</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:27.159180
                          <span>    </span>keystone.conf.configure()</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:27.159266
                          <span>  </span>File
                          "/usr/lib/python2.7/site-packages/keystone/conf/__init__.py",
                          line 139, in configure</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:27.159320
                          <span>    </span>deprecated_since=versionutils.deprecated.STEIN))</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:27.159348
                          <span>  </span>File
                          "/usr/lib/python2.7/site-packages/oslo_config/cfg.py",
                          line 2045, in __inner</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:27.159401
                          <span>    </span>result = f(self, *args,
                          **kwargs)</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:27.159458
                          <span>  </span>File
                          "/usr/lib/python2.7/site-packages/oslo_config/cfg.py",
                          line 2323, in register_cli_opt</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:27.159538
                          <span>    </span>raise
                          ArgsAlreadyParsedError("cannot register CLI
                          option")</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:27.159593 ArgsAlreadyParsedError:
                          arguments already parsed: cannot register CLI
                          option</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003136 mod_wsgi (pid=115522): Target
                          WSGI script '/usr/bin/keystone-wsgi-admin'
                          cannot be loaded as Python module.</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003197 mod_wsgi (pid=115522):
                          Exception occurred processing WSGI script
                          '/usr/bin/keystone-wsgi-admin'.</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003241 Traceback (most recent call
                          last):</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures"><br>
                        </span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures"><span>File
                            "/usr/bin/keystone-wsgi-admin", line 52, in
                            <module>  </span></span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003344   application =
                          initialize_admin_application()</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003373
                          <span>  </span>File
                          "/usr/lib/python2.7/site-packages/keystone/server/wsgi.py",
                          line 24, in initialize_public_application</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003421
                          <span>    </span>name='public',
                          config_files=flask_core._get_config_files())</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003448
                          <span>  </span>File
                          "/usr/lib/python2.7/site-packages/keystone/server/flask/core.py",
                          line 151, in initialize_application</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003494
                          <span>    </span>keystone.server.configure(config_files=config_files)</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003521
                          <span>  </span>File
                          "/usr/lib/python2.7/site-packages/keystone/server/__init__.py",
                          line 28, in configure</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003567
                          <span>    </span>keystone.conf.configure()</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003593
                          <span>  </span>File
                          "/usr/lib/python2.7/site-packages/keystone/conf/__init__.py",
                          line 139, in configure</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003638
                          <span>    </span>deprecated_since=versionutils.deprecated.STEIN))</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003665
                          <span>  </span>File
                          "/usr/lib/python2.7/site-packages/oslo_config/cfg.py",
                          line 2045, in __inner</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003752
                          <span>    </span>result = f(self, *args,
                          **kwargs)</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003782
                          <span>  </span>File
                          "/usr/lib/python2.7/site-packages/oslo_config/cfg.py",
                          line 2323, in register_cli_opt</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003828
                          <span>    </span>raise
                          ArgsAlreadyParsedError("cannot register CLI
                          option")</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.003897 ArgsAlreadyParsedError:
                          arguments already parsed: cannot register CLI
                          option</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.265752 mod_wsgi (pid=115520): Target
                          WSGI script '/usr/bin/keystone-wsgi-public'
                          cannot be loaded as Python module.</span></p>
                      <p style="margin:0px;font:11px
                        Menlo;color:rgb(0,0,0)"><span
                          style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.265832 mod_wsgi (pid=115520):
                          Exception occurred processing WSGI script
                          '/usr/bin/keystone-wsgi-public'.</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures"></span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">2020-01-28
                          20:47:28.265913 Traceback (most recent call
                          last):</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures"><br>
                        </span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">I am not able to
                          understand is this python version related
                          issue or else?</span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures"><br>
                        </span></p>
                      <p
style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span
style="font-variant-ligatures:no-common-ligatures">Please help me.</span></p>
                      <div><br>
                      </div>
                      -- <br>
                      <div dir="ltr">
                        <div dir="ltr">Thanks & Regards<br>
                          Pradeep Pal<br>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
              </blockquote>
            </div>
            <br clear="all">
            <div><br>
            </div>
            -- <br>
            <div dir="ltr">
              <div dir="ltr">Thanks & Regards<br>
                Pradeep Pal<br>
              </div>
            </div>
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