Maybe related, the ontology visualization service returns 503:
http://mappings.dbpedia.org/server/ontology/classes/

On 2/17/16 21:11, Dimitris Kontokostas wrote:
> Thanks Alexandru!
>
> you fixed some of the issues but new came up :(
> looks like the mappings downloader has problems as well... try the
> scripts below to see at the errors
>
> core $ ../run download-ontology
> core $ ../run download-mappings
> server $ ../run server
>
> ps1 Kudos for upgrading the wiki (I never got to thank you in public)
> ps2 I will be traveling in a while and  probably won't reply till
> tomorrow evening / Friday
>
>
> On Wed, Feb 17, 2016 at 8:42 PM, Alexandru Todor <[email protected]
> <mailto:[email protected]>> wrote:
>
>     Hi Dimitris,
>
>     I hopefully fixed this issue, see the pull request [1]
>
>     The mediawiki developers changed the API multiple times, and not all
>     changes are documented.
>     I guess the only way is to solve the issues as they arise.
>
>     Cheers,
>     Alexandru
>
>
>     [1] https://github.com/dbpedia/extraction-framework/pull/437
>
>     On Wed, Feb 17, 2016 at 6:34 PM, Dimitris Kontokostas
>     <[email protected] <mailto:[email protected]>> wrote:
>
>         Hi Alexandru,
>
>         The server cannot be restarted, after many failed attempts, I
>         noticed that the wiki update probably broke the ontology
>         download api.
>         You have more experience in the api breaking changes, can you
>         help me fix this? running the following shows the problem.
>
>         core $  ../run download-ontology
>         the responsible classes are WikiDownloader & OntologyDownloader
>         in core
>
>
>         On Mon, Feb 15, 2016 at 11:42 PM, Alexandru Todor
>         <[email protected] <mailto:[email protected]>> wrote:
>
>             Hi Uldis,
>
>             Thanks for reporting, It helps a lot. I've fixed the issue
>             with the missing mappings, some references for the new
>             namespaces were missing from the mediawiki config file.
>
>             Regarding the statistics, the mappings server seems to be
>             down, sadly i don't know exactly how to restart it, so
>             Dimitris is going to have to do that. We should also update
>             the documentation under [1] since it's not up to date
>             regarding restarting the  statistics server.
>
>             Cheers,
>             Alexandru
>
>             [1]
>             
> http://mappings.dbpedia.org/index.php/How_to_add_a_mapping_namespace
>
>             On Mon, Feb 15, 2016 at 9:12 PM, Uldis Bojars
>             <[email protected] <mailto:[email protected]>> wrote:
>
>                 Thanks for great work on updating the MappingsWiki !
>
>                 Issue: mappings for some languages have disappeared:
>
>                 http://mappings.dbpedia.org/index.php/Mapping_lv
>                     - the page does not list any mappings although some
>                 mappings were present before the update
>
>                 Looks like mappings are missing for all the languages
>                 that were added mid-2015, listed here:
>
>                 https://sourceforge.net/p/dbpedia/mailman/message/34305747/
>
>                 P.S. mappings statistics links (e.g.
>                 http://mappings.dbpedia.org/server/statistics/fr/ ) also
>                 don't work but that's a separate issue
>
>                 Best,
>                 Uldis
>
>
>                 On 10 February 2016 at 19:41, Alexandru Todor
>                 <[email protected] <mailto:[email protected]>>
>                 wrote:
>
>                     Dear DBpedia Users and Developers,
>
>                     Since the Mediawiki version running on
>                     mappings.dbpedia.org <http://mappings.dbpedia.org>
>                     was quite old (2009) and posed a security problem as
>                     well as not allowing us to install any new
>                     extensions, we decided to update it.
>
>                     The update performed was from Mediawiki 1.16 Alpha
>                     to Mediawiki 1.23 LTS [1].
>
>                     Since DBpedia is running some custom extensions that
>                     also patch core files of Mediawiki, the update was a
>                     bit difficult and time consuming. Please report any
>                     errors you might encounter so we can address them.
>
>                     Cheers,
>                     Alexandru
>
>                     [1]
>                     
> http://mappings.dbpedia.org/index.php?title=Special:Version
>
>                     
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>         --
>         Kontokostas Dimitris
>
>
>
>
>
> --
> Kontokostas Dimitris
>
>
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-- 
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