[Wikidata-bugs] [Maniphest] [Commented On] T115788: Wikidata query endpoint shouldn't return traceback when an error is encountered

[abian]

abian added a comment.

In any case, if you want to keep the traceback, it would be interesting to "only" show a (reasonably long) head and a (reasonably long) tail. If timeout expires while you're still receiving data, you will get a terribly long, unusable HTML page with all the data as a part of the traceback. You can reproduce this problem by running...

SELECT ?item ?itemLabel 
WHERE 
{
  ?item wdt:P31 wd:Q5.
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}
LIMIT 600000

TASK DETAIL

https://phabricator.wikimedia.org/T115788

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To: abian
Cc: abian, Lucas_Werkmeister_WMDE, Smalyshev, dpatrick, csteipp, hoo, Aklapper, Mvolz, Nandana, sbassett, Lahi, Gq86, GoranSMilovanovic, QZanden, EBjune, HJiang-WMF, merbst, LawExplorer, _jensen, Jonas, Xmlizer, Luke081515, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, GWicke, Bawolff, Stype_and_Co.-WMF, Manybubbles, Jalexander, Parent5446, Anomie, Grunny, MaxSem, Mbch331, Rxy, Jay8g, Legoktm, chasemp

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