[Wikidata-bugs] [Maniphest] T270476: Linked Data Fragments endpoint returns IllegalStateException

[Gehel]

Gehel closed this task as "Resolved".

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To: dcausse, Gehel
Cc: RKemper, Gehel, Aklapper, Invadibot, MPhamWMF, maantietaja, CBogen, 
Akuckartz, Nandana, Namenlos314, Lahi, Gq86, Lucas_Werkmeister_WMDE, 
GoranSMilovanovic, QZanden, EBjune, merbst, LawExplorer, _jensen, rosalieper, 
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[Wikidata-bugs] [Maniphest] T270476: Linked Data Fragments endpoint returns IllegalStateException

[Maintenance_bot]

Maintenance_bot removed a project: Patch-For-Review.

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To: dcausse, Maintenance_bot
Cc: RKemper, Gehel, Aklapper, Invadibot, MPhamWMF, maantietaja, CBogen, 
Akuckartz, Nandana, Namenlos314, Lahi, Gq86, Lucas_Werkmeister_WMDE, 
GoranSMilovanovic, QZanden, EBjune, merbst, LawExplorer, _jensen, rosalieper, 
Scott_WUaS, Jonas, Xmlizer, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, 
Manybubbles, Mbch331, Alter-paule, Beast1978, Un1tY, Hook696, Kent7301, 
joker88john, CucyNoiD, Gaboe420, Giuliamocci, Cpaulf30, Af420, Bsandipan, 
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[Wikidata-bugs] [Maniphest] T270476: Linked Data Fragments endpoint returns IllegalStateException

[gerritbot]

gerritbot added a comment.


  Change 676366 **merged** by jenkins-bot:
  
  [wikidata/query/rdf@master] Fix pagination in LDF mode
  
  https://gerrit.wikimedia.org/r/676366

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To: dcausse, gerritbot
Cc: RKemper, Gehel, Aklapper, Invadibot, MPhamWMF, maantietaja, Alter-paule, 
Beast1978, CBogen, Un1tY, Akuckartz, Hook696, Kent7301, joker88john, CucyNoiD, 
Nandana, Namenlos314, Gaboe420, Giuliamocci, Cpaulf30, Lahi, Gq86, Af420, 
Bsandipan, Lucas_Werkmeister_WMDE, GoranSMilovanovic, QZanden, EBjune, merbst, 
LawExplorer, Lewizho99, Maathavan, _jensen, rosalieper, Scott_WUaS, Jonas, 
Xmlizer, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, Manybubbles, Mbch331
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[Wikidata-bugs] [Maniphest] T270476: Linked Data Fragments endpoint returns IllegalStateException

[gerritbot]

gerritbot added a project: Patch-For-Review.

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To: dcausse, gerritbot
Cc: RKemper, Gehel, Aklapper, Invadibot, MPhamWMF, maantietaja, Alter-paule, 
Beast1978, CBogen, Un1tY, Akuckartz, Hook696, Kent7301, joker88john, CucyNoiD, 
Nandana, Namenlos314, Gaboe420, Giuliamocci, Cpaulf30, Lahi, Gq86, Af420, 
Bsandipan, Lucas_Werkmeister_WMDE, GoranSMilovanovic, QZanden, EBjune, merbst, 
LawExplorer, Lewizho99, Maathavan, _jensen, rosalieper, Scott_WUaS, Jonas, 
Xmlizer, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, Manybubbles, Mbch331
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[Wikidata-bugs] [Maniphest] T270476: Linked Data Fragments endpoint returns IllegalStateException

[gerritbot]

gerritbot added a comment.


  Change 676366 had a related patch set uploaded (by DCausse; author: DCausse):
  
  [wikidata/query/rdf@master] Fix pagination in LDF mode
  
  https://gerrit.wikimedia.org/r/676366

TASK DETAIL
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To: dcausse, gerritbot
Cc: RKemper, Gehel, Aklapper, Invadibot, MPhamWMF, maantietaja, CBogen, 
Akuckartz, Nandana, Namenlos314, Lahi, Gq86, Lucas_Werkmeister_WMDE, 
GoranSMilovanovic, QZanden, EBjune, merbst, LawExplorer, _jensen, rosalieper, 
Scott_WUaS, Jonas, Xmlizer, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, 
Manybubbles, Mbch331
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[Wikidata-bugs] [Maniphest] T270476: Linked Data Fragments endpoint returns IllegalStateException

[dcausse]

dcausse claimed this task.
dcausse moved this task from Ready for Development to In Progress on the 
Discovery-Search (Current work) board.

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To: dcausse
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Akuckartz, Nandana, Namenlos314, Lahi, Gq86, Lucas_Werkmeister_WMDE, 
GoranSMilovanovic, QZanden, EBjune, merbst, LawExplorer, _jensen, rosalieper, 
Scott_WUaS, Jonas, Xmlizer, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, 
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[Wikidata-bugs] [Maniphest] T270476: Linked Data Fragments endpoint returns IllegalStateException

[CBogen]

CBogen set the point value for this task to "5".

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To: CBogen
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Namenlos314, Lahi, Gq86, Lucas_Werkmeister_WMDE, GoranSMilovanovic, QZanden, 
EBjune, merbst, LawExplorer, _jensen, rosalieper, Scott_WUaS, Jonas, Xmlizer, 
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[Wikidata-bugs] [Maniphest] T270476: Linked Data Fragments endpoint returns IllegalStateException

[RKemper]

RKemper added a comment.


  I responded to Maciej (the one who reported the problem originally) on the 
mailing list. Looks like we accidentally gave them the wrong ticket number 
earlier: https://lists.wikimedia.org/pipermail/wikidata/2021-January/014451.html
  
  Looks like this ticket hasn't been triaged/assigned yet

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To: RKemper
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Namenlos314, Lahi, Gq86, Lucas_Werkmeister_WMDE, GoranSMilovanovic, QZanden, 
EBjune, merbst, LawExplorer, _jensen, rosalieper, Scott_WUaS, Jonas, Xmlizer, 
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[Wikidata-bugs] [Maniphest] T270476: Linked Data Fragments endpoint returns IllegalStateException

[CBogen]

CBogen moved this task from All WDQS-related tasks to Current work on the 
Wikidata-Query-Service board.
CBogen added a project: Discovery-Search (Current work).

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To: CBogen
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[Wikidata-bugs] [Maniphest] T270476: Linked Data Fragments endpoint returns IllegalStateException

[Gehel]

Gehel created this task.
Gehel added a project: Wikidata-Query-Service.
Restricted Application added a subscriber: Aklapper.
Restricted Application added a project: Wikidata.

TASK DESCRIPTION
  As received on wikidata ML 
:
  
  I am trying to get alternative names of given names in WikiData with the
  following simple query:
  
PREFIX ps: 
PREFIX wd: 
PREFIX rdfs: 
CONSTRUCT {?s rdfs:label ?o}
WHERE { ?s ps:P31 wd:Q202444. ?s rdfs:label ?o}
LIMIT 1000
  
  Initially, the query was much more complex, but I was getting time-outs on
  the public WikiData SPARQL endpoint. I decided to use Linked Data Fragments
  to offload some filtering from the server to the client.
  
comunica-sparql "https://query.wikidata.org/bigdata/ldf; -f query > 
given_names.n3
  
  (where "query" is a file with the SPARQL query shown above). Unfortunately,
  the client tries to get output from the 3rd page, I am getting
  the following error:
  
Could not retrieve 
https://query.wikidata.org/bigdata/ldf?subject=http%3A%2F%2Fwww.wikidata.org%2Fentity%2FQ21147790=http%3A%2F%2Fwww.w3.org%2F2000%2F01%2Frdf-schema%23label=3
 (500: unknown error)
  
  Following the link in fact returns HTTP 500 error with
  
Error details
java.lang.IllegalStateException
  
  The link points to the 3rd page. It works if you try to go the second page:
  
https://query.wikidata.org/bigdata/ldf?subject=http%3A%2F%2Fwww.wikidata.org%2Fentity%2FQ21147790=http%3A%2F%2Fwww.w3.org%2F2000%2F01%2Frdf-schema%23label=2
  
  Is this a bug or a limitation of a service?

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To: Gehel
Cc: Gehel, Aklapper, MPhamWMF, CBogen, Akuckartz, Nandana, Namenlos314, Lahi, 
Gq86, Lucas_Werkmeister_WMDE, GoranSMilovanovic, QZanden, EBjune, merbst, 
LawExplorer, _jensen, rosalieper, Scott_WUaS, Jonas, Xmlizer, jkroll, 
Wikidata-bugs, Jdouglas, aude, Tobias1984, Manybubbles, Mbch331
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