Wikimedia Bugzilla is closed!

This should probably have some other behaviour.

mediawiki\extensions\Wikibase\repo\maintenance>php dumpJson.php --list-file dump.txt
[
{"id":"Q2","type":"item","descriptions":{"en":{"language":"en","value":"sdfg"}},"labels":{"en":{"language":"en","value":"sdfg"}}},
{"id":"Q3","type":"item","descriptions":{"en":{"language":"en","value":"sdfgedrtyh"}},"labels":{"en":{"language":"en","value":"sdfgwerftg"}}},
EntitySerializer can only serialize Entity objects
Backtrace:
#0 mediawiki\extensions\Wikibase\lib\includes\Dumpers\JsonDumpGenerator.php(78): Wikibase\Lib\Serializers\EntitySerializer
->getSerialized(NULL)
#1 mediawiki\extensions\Wikibase\repo\maintenance\dumpJson.php(89): Wikibase\Dumpers\JsonDumpGenerator->generateDump(Objec
t(Wikibase\IO\EntityIdReader))
#2 mediawiki\maintenance\doMaintenance.php(113): Wikibase\DumpJson->execute()
#3 mediawiki\extensions\Wikibase\repo\maintenance\dumpJson.php(132): require_once('C:\Users\blub\D...')
#4 {main}