Yurik created this task.
Yurik added a project: Wikidata-Query-Service.
Herald added a subscriber: Aklapper.
Herald added projects: Wikidata, Discovery.

TASK DESCRIPTION

WDQS updater crashed, possibly due to a DNS outage? (everything else seemed fine, professional datacenter)

05:12:21.954 [main] INFO  o.w.q.r.t.change.RecentChangesPoller - Backoff overflow, advancing next time to 2017-09-28T03:10:23Z
05:12:21.954 [main] INFO  o.w.q.r.t.change.RecentChangesPoller - Got no real changes
05:12:21.954 [main] INFO  o.w.q.r.t.change.RecentChangesPoller - Got only old changes, next is: {"rccontinue":"20170928031020|602559438","continue":"-||"}
05:12:22.126 [main] INFO  o.w.q.r.t.change.RecentChangesPoller - Got 10 changes, from Q38130793@567600187@20170928031020|602559438 to Q24791441@567600192@20170928031021|6025
59447
05:12:23.083 [main] INFO  org.wikidata.query.rdf.tool.Updater - Polled up to 2017-09-28T03:10:23Z (next: 20170928031021|602559448) at (11.7, 10.9, 10.3) updates per second a
nd (823.3, 863.1, 704.6) milliseconds per second
Exception in thread "main" java.lang.RuntimeException: java.net.UnknownHostException: www.wikidata.org: Temporary failure in name resolution
        at org.wikidata.query.rdf.tool.wikibase.WikibaseRepository.fetchRecentChanges(WikibaseRepository.java:226)
        at org.wikidata.query.rdf.tool.change.RecentChangesPoller.fetchRecentChanges(RecentChangesPoller.java:296)
        at org.wikidata.query.rdf.tool.change.RecentChangesPoller.batch(RecentChangesPoller.java:310)
        at org.wikidata.query.rdf.tool.change.RecentChangesPoller.nextBatch(RecentChangesPoller.java:140)
        at org.wikidata.query.rdf.tool.change.RecentChangesPoller.nextBatch(RecentChangesPoller.java:30)
        at org.wikidata.query.rdf.tool.Updater.nextBatch(Updater.java:263)
        at org.wikidata.query.rdf.tool.Updater.run(Updater.java:155)
        at org.wikidata.query.rdf.tool.Update.main(Update.java:73)
Caused by: java.net.UnknownHostException: www.wikidata.org: Temporary failure in name resolution
        at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
        at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928)
        at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323)
        at java.net.InetAddress.getAllByName0(InetAddress.java:1276)
        at java.net.InetAddress.getAllByName(InetAddress.java:1192)
        at java.net.InetAddress.getAllByName(InetAddress.java:1126)
        at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45)
        at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:111)
        at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353)
        at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380)
        at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
        at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
        at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88)
        at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
        at org.apache.http.impl.execchain.ServiceUnavailableRetryExec.execute(ServiceUnavailableRetryExec.java:84)
        at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
        at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
        at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:107)
        at org.wikidata.query.rdf.tool.wikibase.WikibaseRepository.getJson(WikibaseRepository.java:385)
        at org.wikidata.query.rdf.tool.wikibase.WikibaseRepository.fetchRecentChanges(WikibaseRepository.java:223)
        ... 7 more

TASK DETAIL
https://phabricator.wikimedia.org/T176927

EMAIL PREFERENCES
https://phabricator.wikimedia.org/settings/panel/emailpreferences/

To: Yurik
Cc: Smalyshev, Aklapper, Yurik, Lucas_Werkmeister_WMDE, GoranSMilovanovic, QZanden, EBjune, merbst, Avner, debt, Gehel, Jonas, FloNight, Xmlizer, Izno, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, Manybubbles, Mbch331
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