Calling https://www.mediawiki.org/w/api.php?action=help&modules=query%2Bembeddedin on test-wiki fails.
Steps to replicate the issue:
What happens?:
The result is:
{
"error": {
"code": "internal_api_error_DBQueryError",
"info": "[62e7b79f-2715-4e52-8774-4ac1a64d7bc9] Exception caught: A database query error has occurred. This may indicate a bug in the software.",
"errorclass": "Wikimedia\\Rdbms\\DBQueryError",
"*": "Wikimedia\\Rdbms\\DBQueryError at /srv/mediawiki/php-1.39.0-wmf.22/includes/libs/rdbms/database/Database.php(1914)\nfrom /srv/mediawiki/php-1.39.0-wmf.22/includes/libs/rdbms/database/Database.php(1914)\n#0 /srv/mediawiki/php-1.39.0-wmf.22/includes/libs/rdbms/database/Database.php(1898): Wikimedia\\Rdbms\\Database->getQueryException(string, integer, string, string)\n#1 /srv/mediawiki/php-1.39.0-wmf.22/includes/libs/rdbms/database/Database.php(1872): Wikimedia\\Rdbms\\Database->getQueryExceptionAndLog(string, integer, string, string)\n#2 /srv/mediawiki/php-1.39.0-wmf.22/includes/libs/rdbms/database/Database.php(1248): Wikimedia\\Rdbms\\Database->reportQueryError(string, integer, string, string, boolean)\n#3 /srv/mediawiki/php-1.39.0-wmf.22/includes/libs/rdbms/database/Database.php(2004): Wikimedia\\Rdbms\\Database->query(string, string, integer)\n#4 /srv/mediawiki/php-1.39.0-wmf.22/includes/libs/rdbms/querybuilder/SelectQueryBuilder.php(641): Wikimedia\\Rdbms\\Database->select(array, array, array, string, array, array)\n#5 /srv/mediawiki/php-1.39.0-wmf.22/includes/api/ApiQueryBase.php(427): Wikimedia\\Rdbms\\SelectQueryBuilder->fetchResultSet()\n#6 /srv/mediawiki/php-1.39.0-wmf.22/includes/api/ApiQueryBacklinks.php(179): ApiQueryBase->select(string)\n#7 /srv/mediawiki/php-1.39.0-wmf.22/includes/api/ApiQueryBacklinks.php(442): ApiQueryBacklinks->runFirstQuery(ApiPageSet)\n#8 /srv/mediawiki/php-1.39.0-wmf.22/includes/api/ApiQueryBacklinks.php(125): ApiQueryBacklinks->run(ApiPageSet)\n#9 /srv/mediawiki/php-1.39.0-wmf.22/includes/api/ApiPageSet.php(290): ApiQueryBacklinks->executeGenerator(ApiPageSet)\n#10 /srv/mediawiki/php-1.39.0-wmf.22/includes/api/ApiPageSet.php(253): ApiPageSet->executeInternal(boolean)\n#11 /srv/mediawiki/php-1.39.0-wmf.22/includes/api/ApiQuery.php(643): ApiPageSet->execute()\n#12 /srv/mediawiki/php-1.39.0-wmf.22/includes/api/ApiMain.php(1901): ApiQuery->execute()\n#13 /srv/mediawiki/php-1.39.0-wmf.22/includes/api/ApiMain.php(875): ApiMain->executeAction()\n#14 /srv/mediawiki/php-1.39.0-wmf.22/includes/api/ApiMain.php(846): ApiMain->executeActionWithErrorHandling()\n#15 /srv/mediawiki/php-1.39.0-wmf.22/api.php(90): ApiMain->execute()\n#16 /srv/mediawiki/php-1.39.0-wmf.22/api.php(45): wfApiMain()\n#17 /srv/mediawiki/w/api.php(3): require(string)\n#18 {main}"
},
"servedby": "mw1450"
}What should have happened instead?:
It still works for the same http request on simple-wiki:
https://simple.wikipedia.org/w/api.php?geititle=Template%3AOk&geifilterredir=nonredirects&prop=info%7Cimageinfo%7Ccategoryinfo&inprop=protection&iiprop=timestamp%7Cuser%7Ccomment%7Curl%7Csize%7Csha1%7Cmetadata&iilimit=max&generator=embeddedin&action=query&indexpageids=&continue=&geilimit=5&meta=userinfo&uiprop=blockinfo%7Chasmsg&maxlag=5&format=jsonfm
Other information:
The failure occurred yesterday. It worked previously.