id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
5484	Resuming chunks upload creates duplicates ?	pieren	team	"Hi josm-team,

French users like the chunk uploads feature to import buildings from the cadastre. But it seems that if a chunk failes, a resuming will create duplicates in the database. By a quick look on the source, it seems that JOSM is updating its local ID's only when all chunks have succeeded. So if the 4th chunk upload failes, the first 3 chunks will be duplicated in the database at the next upload although they went well the first time (if I read correctly OsmServerWriter.uploadChangesInChunks()). Would it be possible to avoid such duplicates when resuming a chunks upload ?"	defect	closed	major		Core		invalid	chunks