I can dump all three on sdiywiki.miraheze.org without problem. On scruffy.miraheze.org I can dump images and managewiki okay, but the xml immediately fails with size 0 bytes.
Description
Event Timeline
I can reproduce this. The XML dump failed again. Boldly triaging as normal, as at least two out of three dumps are available.
Not sure if it's an issue with DataDump, or a MediaWiki configuration-related issue, so feel free to change the project tags
[fd7372ac531f805231341729] [no req] Error: Call to undefined method HistoryBlobStub::uncompress() Backtrace: from /srv/mediawiki/w/includes/historyblob/HistoryBlobStub.php(137) #0 /srv/mediawiki/w/includes/Storage/SqlBlobStore.php(602): HistoryBlobStub->getText() #1 /srv/mediawiki/w/includes/Storage/SqlBlobStore.php(517): MediaWiki\Storage\SqlBlobStore->decompressData(string, array) #2 /srv/mediawiki/w/includes/Storage/SqlBlobStore.php(426): MediaWiki\Storage\SqlBlobStore->expandBlob(string, array, string) #3 /srv/mediawiki/w/includes/Storage/SqlBlobStore.php(281): MediaWiki\Storage\SqlBlobStore->fetchBlobs(array, integer) #4 /srv/mediawiki/w/includes/libs/objectcache/wancache/WANObjectCache.php(1700): MediaWiki\Storage\SqlBlobStore->MediaWiki\Storage\{closure}(boolean, integer, array, NULL, array) #5 /srv/mediawiki/w/includes/libs/objectcache/wancache/WANObjectCache.php(1532): WANObjectCache->fetchOrRegenerate(string, integer, Closure, array, array) #6 /srv/mediawiki/w/includes/Storage/SqlBlobStore.php(286): WANObjectCache->getWithSetCallback(string, integer, Closure, array) #7 /srv/mediawiki/w/includes/Revision/RevisionStore.php(1182): MediaWiki\Storage\SqlBlobStore->getBlob(string, integer) #8 /srv/mediawiki/w/includes/Revision/RevisionStore.php(1456): MediaWiki\Revision\RevisionStore->loadSlotContent(MediaWiki\Revision\SlotRecord, NULL, NULL, NULL, integer) #9 [internal function]: MediaWiki\Revision\RevisionStore->MediaWiki\Revision\{closure}(MediaWiki\Revision\SlotRecord) #10 /srv/mediawiki/w/includes/Revision/SlotRecord.php(322): call_user_func(Closure, MediaWiki\Revision\SlotRecord) #11 /srv/mediawiki/w/includes/export/XmlDumpWriter.php(496): MediaWiki\Revision\SlotRecord->getContent() #12 /srv/mediawiki/w/includes/export/XmlDumpWriter.php(317): XmlDumpWriter::{closure}() #13 /srv/mediawiki/w/includes/export/XmlDumpWriter.php(499): XmlDumpWriter->invokeLenient(Closure, string) #14 /srv/mediawiki/w/includes/export/XmlDumpWriter.php(391): XmlDumpWriter->writeSlot(MediaWiki\Revision\SlotRecord, integer) #15 /srv/mediawiki/w/includes/export/WikiExporter.php(544): XmlDumpWriter->writeRevision(stdClass, array) #16 /srv/mediawiki/w/includes/export/WikiExporter.php(486): WikiExporter->outputPageStreamBatch(Wikimedia\Rdbms\MysqliResultWrapper, stdClass) #17 /srv/mediawiki/w/includes/export/WikiExporter.php(307): WikiExporter->dumpPages(string, boolean) #18 /srv/mediawiki/w/includes/export/WikiExporter.php(167): WikiExporter->dumpFrom(string) #19 /srv/mediawiki/w/maintenance/includes/BackupDumper.php(320): WikiExporter->allPages() #20 /srv/mediawiki/w/maintenance/dumpBackup.php(82): BackupDumper->dump(integer, integer) #21 /srv/mediawiki/w/maintenance/doMaintenance.php(108): DumpBackup->execute() #22 /srv/mediawiki/w/maintenance/dumpBackup.php(144): require_once(string) #23 {main}
@Rob_Kam Once again, my apologies for the delay. Unfortunately, the only way that this can be fixed will be to manually delete some revisions (2439,2440,2441,2442,2443,2444,2445,2446,2447,2448,2449,2450,2451,2452,2453,2454,2455,2456,2457). Would you like us to do this to get the XML backups working again?
Thanks for working on this.
How do I view those revisions please?
If I'm the only editor in a page's history, the history is (as far as I recall) unimportant and can be wiped.
Thanks, I tried that. Those numbers just give me "Fatal exception of type "Error""
For Main page and Sandbox, to try and wipe where I guess those revisions might have been - I copied the contents of the edit source box, then deleted the page and created it again by pasting those contents back.
Fixed by deleting and recreating the page 'Synthesizer'. Thanks for helping me get there.