Presumably you have tried reloading the service daemon as per the error message? (systemctl daemon-reload)

I'm no expert but it does appear that httpd refusing to start is at least the first problem you are encountering, whether its the only issue will have to wait until this one is corrected! Try the daemon reload and then restart the httpd service again. Maybe something else will appear in the logs?

On a separate note, have you got IPv6 enabled? Without it 4.5.0 upgrade will fail with some "challenging" error messages


On Fri, Nov 10, 2017 at 2:43 PM Fuji San via FreeIPA-users <freeipa-users@lists.fedorahosted.org> wrote:
ipa-server-upgrade
$ ipa-server-upgrade
Upgrading IPA:
  [1/8]: saving configuration
  [2/8]: disabling listeners
  [3/8]: enabling DS global lock
  [4/8]: starting directory server
  [5/8]: updating schema
  [6/8]: upgrading server
  [7/8]: stopping directory server
  [8/8]: restoring configuration
Done.
Update complete
Upgrading IPA services
Upgrading the configuration of the IPA services
[Verifying that root certificate is published]
[Migrate CRL publish directory]
CRL tree already moved
/etc/dirsrv/slapd-mydomain/certmap.conf is now managed by IPA. It will be overwritten. A backup of the original will be made.
[Verifying that CA proxy configuration is correct]
[Verifying that KDC configuration is using ipa-kdb backend]
[Fix DS schema file syntax]
Syntax already fixed
[Removing RA cert from DS NSS database]
RA cert already removed
[Enable sidgen and extdom plugins by default]
[Updating HTTPD service IPA configuration]
[Updating mod_nss protocol versions]
Protocol versions already updated
[Updating mod_nss cipher suite]
[Fixing trust flags in /etc/httpd/alias]
Trust flags already processed
[Exporting KRA agent PEM file]
KRA is not enabled
IPA server upgrade failed: Inspect /var/log/ipaupgrade.log and run command ipa-server-upgrade manually.
Unexpected error - see /var/log/ipaupgrade.log for details:
CalledProcessError: Command '/bin/systemctl start httpd.service' returned non-zero exit status 1
The ipa-server-upgrade command failed. See /var/log/ipaupgrade.log for more information

----LOG---------------------------
[...]
2017-11-10T14:39:31Z DEBUG stdout=
2017-11-10T14:39:31Z DEBUG stderr=Warning: httpd.service changed on disk. Run 'systemctl daemon-reload' to reload units.
Job for httpd.service failed because the control process exited with error code.
See "systemctl  status httpd.service" and "journalctl  -xe" for details.

2017-11-10T14:39:31Z ERROR IPA server upgrade failed: Inspect /var/log/ipaupgrade.log and run command ipa-server-upgrade manually.
2017-11-10T14:39:31Z DEBUG   File "/usr/lib/python2.7/site-packages/ipapython/admintool.py", line 172, in execute
    return_value = self.run()
  File "/usr/lib/python2.7/site-packages/ipaserver/install/ipa_server_upgrade.py", line 46, in run
    server.upgrade()
  File "/usr/lib/python2.7/site-packages/ipaserver/install/server/upgrade.py", line 1841, in upgrade
    upgrade_configuration()
  File "/usr/lib/python2.7/site-packages/ipaserver/install/server/upgrade.py", line 1659, in upgrade_configuration
    http.start()
  File "/usr/lib/python2.7/site-packages/ipaserver/install/service.py", line 346, in start
    self.service.start(instance_name, capture_output=capture_output, wait=wait)
  File "/usr/lib/python2.7/site-packages/ipaplatform/base/services.py", line 285, in start
    skip_output=not capture_output)
  File "/usr/lib/python2.7/site-packages/ipapython/ipautil.py", line 520, in run
    raise CalledProcessError(p.returncode, arg_string, str(output))

2017-11-10T14:39:31Z DEBUG The ipa-server-upgrade command failed, exception: CalledProcessError: Command '/bin/systemctl start httpd.service' returned non-zero exit status 1
2017-11-10T14:39:31Z ERROR Unexpected error - see /var/log/ipaupgrade.log for details:
CalledProcessError: Command '/bin/systemctl start httpd.service' returned non-zero exit status 1
2017-11-10T14:39:31Z ERROR The ipa-server-upgrade command failed. See /var/log/ipaupgrade.log for more information
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