Can not upgrade OX App Suite Version 7.8.3-17-ucs1 to 7.8.3-17-ucs2

HI
I try to upgrade OX App Suite Version 7.8.3-17-ucs1 to 7.8.3-17-ucs2 but there is an error

Ann unkhnow error with status code 502 occurred while connectiing to the server please try again later

and here is log file

29.06.17 10:26:00.599  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:00.833  MODULE      ( PROCESS ) : Hit https://updates.software-univention.de 4.1-3/amd64/ Packages
29.06.17 10:26:00.834  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:00.834  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:00.834  MODULE      ( PROCESS ) : 99%                                                                                                                                                                                          642 kB/s 0s
29.06.17 10:26:00.837  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:01.072  MODULE      ( PROCESS ) : Hit https://updates.software-univention.de 4.1-4/all/ Packages
29.06.17 10:26:01.072  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:01.072  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:01.073  MODULE      ( PROCESS ) : 99%                                                                                                                                                                                          642 kB/s 0s
29.06.17 10:26:01.076  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:01.309  MODULE      ( PROCESS ) : Hit https://updates.software-univention.de 4.1-4/amd64/ Packages
29.06.17 10:26:01.310  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:01.311  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:01.311  MODULE      ( PROCESS ) : 99%                                                                                                                                                                                          642 kB/s 0s
29.06.17 10:26:01.318  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:01.547  MODULE      ( PROCESS ) : Hit https://updates.software-univention.de 4.2-0/all/ Packages
29.06.17 10:26:01.548  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:01.548  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:01.548  MODULE      ( PROCESS ) : 99%                                                                                                                                                                                          642 kB/s 0s
29.06.17 10:26:01.617  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:01.785  MODULE      ( PROCESS ) : Hit https://updates.software-univention.de 4.2-0/amd64/ Packages
29.06.17 10:26:01.786  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:01.786  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:01.787  MODULE      ( PROCESS ) : 99%                                                                                                                                                                                          642 kB/s 0s
29.06.17 10:26:01.929  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.023  MODULE      ( PROCESS ) : Hit https://updates.software-univention.de 4.2-1/all/ Packages
29.06.17 10:26:02.024  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.024  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.024  MODULE      ( PROCESS ) : 99%                                                                                                                                                                                          642 kB/s 0s
29.06.17 10:26:02.027  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.261  MODULE      ( PROCESS ) : Hit https://updates.software-univention.de 4.2-1/amd64/ Packages
29.06.17 10:26:02.262  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.262  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.262  MODULE      ( PROCESS ) : 99%                                                                                                                                                                                          642 kB/s 0s
29.06.17 10:26:02.267  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.499  MODULE      ( PROCESS ) : Hit https://updates.software-univention.de 4.2-1-errata/all/ Package                                                                                                                        s
29.06.17 10:26:02.499  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.500  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.500  MODULE      ( PROCESS ) : 99%                                                                                                                                                                                          642 kB/s 0s
29.06.17 10:26:02.508  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.737  MODULE      ( PROCESS ) : Hit https://updates.software-univention.de 4.2-1-errata/amd64/ Packa                                                                                                                        ges
29.06.17 10:26:02.740  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.741  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.741  MODULE      ( PROCESS ) : 99%                                                                                                                                                                                          642 kB/s 0s
29.06.17 10:26:02.746  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.976  MODULE      ( PROCESS ) : Hit https://updates.software-univention.de 4.1-4-errata/all/ Package                                                                                                                        s
29.06.17 10:26:02.976  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.977  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:02.977  MODULE      ( PROCESS ) : 99%                                                                                                                                                                                          642 kB/s 0s
29.06.17 10:26:02.986  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:03.213  MODULE      ( PROCESS ) : Hit https://updates.software-univention.de 4.1-4-errata/amd64/ Packa                                                                                                                        ges
29.06.17 10:26:03.213  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:03.214  MODULE      ( PROCESS ) : 99% [Working]                                                                                                                                                                                642 kB/s 0s
29.06.17 10:26:03.214  MODULE      ( PROCESS ) : 99%                                                                                                                                                                                          642 kB/s 0s
29.06.17 10:26:03.227  MODULE      ( PROCESS ) : 99% [Working]                                                      2                                                                                                                        ,118 kB/s 0s
29.06.17 10:26:03.227  MODULE      ( PROCESS ) : Fetched 119 kB in 6s (2,118 kB/s)
29.06.17 10:26:03.991  MODULE      ( PROCESS ) : Finished dry_run for oxseforucs on localhost
29.06.17 10:26:03.992  MODULE      ( PROCESS ) : Problems encountered or confirmation required. Removing component ox                                                                                                                        seforucs_20170123162817

Please read the log file and post the relevant part (must be further above). This part contains only the statement that there was an error, but not the cause.

here is log file

log file.log (155.8 KB)

There is no error in the log file. Please retry and

  1. make a screenshot with the error message
  2. check which log files changed:
    ls -lt /var/log/univention/ | head

Maybe you can identify the relevant log file. Good candidates are management-console-server.log and management-console-module-appcenter.log

Error screen short

management-console-server.log

29.06.17 13:52:47.016  MAIN        ( PROCESS ) : running: ['/usr/sbin/univention-management-cpps', '-s', '/var/run/univention-management-console/2290-1498719167015.socket', '-d', '2', '-
29.06.17 13:52:49.095  MAIN        ( PROCESS ) : running: ['/usr/sbin/univention-management-cppcenter', '-s', '/var/run/univention-management-console/2290-1498719169095.socket', '-d', '2
29.06.17 14:02:48.888  MAIN        ( WARN    ) : Socket died (module=apps)
29.06.17 14:02:48.888  MAIN        ( WARN    ) : Module process apps died (pid: 28607, exit status: -1)
29.06.17 14:02:48.888  MAIN        ( WARN    ) : Cleaning up requests
29.06.17 14:02:48.888  MAIN        ( WARN    ) : Remove inactivity timer
29.06.17 14:02:48.989  MAIN        ( PROCESS ) : ModuleProcess: child died
29.06.17 14:10:29.733  MAIN        ( PROCESS ) : running: ['/usr/sbin/univention-management-cpdater', '-s', '/var/run/univention-management-console/2290-1498720229733.socket', '-d', '2',

I get same error what is problem when that error is coming up.
Everything runing good how can update to 7.8.3-17-ucs2 is that click upgrade

Please check /var/log/univention/appcenter.log and management-console-module-appcenter.log or try from the command line (univention-upgrade).

I just tried command line (univention-upgrade). and it worked
Thank you so much

yes I found how upgrade and not got error message longer

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