upload apparently interrupter but JOSM doesn't recognize it

[dieterdreist]

I started the upload:

PUT http://api.openstreetmap.org/api/0.6/changeset/create... OK
POST http://api.openstreetmap.org/api/0.6/changeset/10879394/upload... }}}

only 347 objects contained, after 1 hour I click "cancel"
{{{
POST http://api.openstreetmap.org/api/0.6/changeset/10879394/upload...  failed loading
failed loading 17/70240/48648 Connection timed out
failed loading 17/70241/48648 Connection timed out
failed loading 17/70242/48648 Connection timed out
failed loading 17/70242/48647 Connection timed out
failed loading 17/70242/48646 Connection timed out
Ignoring caught exception because upload is canceled. Exception is: org.openstreetmap.josm.io.OsmTransferException: java.net.SocketException: Socket closed
PUT http://api.openstreetmap.org/api/0.6/changeset/create... OK
POST http://api.openstreetmap.org/api/0.6/changeset/10880050/upload... 
}}}
PUT http://api.openstreetmap.org/api/0.6/changeset/create... OK
POST http://api.openstreetmap.org/api/0.6/changeset/10879394/upload... failed loading 17/70240/48648 Connection timed out
failed loading 17/70241/48648 Connection timed out
failed loading 17/70242/48648 Connection timed out
failed loading 17/70242/48647 Connection timed out
failed loading 17/70242/48646 Connection timed out
Ignoring caught exception because upload is canceled. Exception is: org.openstreetmap.josm.io.OsmTransferException: java.net.SocketException: Socket closed
PUT http://api.openstreetmap.org/api/0.6/changeset/create... OK
POST http://api.openstreetmap.org/api/0.6/changeset/10880050/upload... 

[dieterdreist]

Closed as duplicate of #7321.