Got the same problem, for several weeks now and the same lines in the logs:
sync of
http://foxtrot.mgras.net:8080/terrascen ... 40/e006n46 started, queue size is 7
sync taking a long time:Models taken 20001
HTTP status:1
sync taking a long time:Objects/e000n40/e006n46 taken 20001
HTTP status:1
sync taking a long time:Models taken 30001
HTTP status:1
sync taking a long time:Objects/e000n40/e006n46 taken 30001
HTTP status:0
sync taking a long time:Models taken 40016
HTTP status:0
sync taking a long time:Objects/e000n40/e006n46 taken 40018
HTTP status:0
sync taking a long time:Models taken 50050
HTTP status:0
sync taking a long time:Objects/e000n40/e006n46 taken 50050
HTTP status:0
sync taking a long time:Models taken 60073
HTTP status:0
sync taking a long time:Objects/e000n40/e006n46 taken 60072
HTTP status:0
sync taking a long time:Models taken 70100
HTTP status:0
sync taking a long time:Objects/e000n40/e006n46 taken 70099
HTTP status:0
sync taking a long time:Models taken 80016
HTTP status:0
sync taking a long time:Objects/e000n40/e006n46 taken 80016
HTTP status:0
sync taking a long time:Models taken 90041
HTTP status:0
sync taking a long time:Objects/e000n40/e006n46 taken 90041
HTTP status:0
Occasionnaly it works like a charm and the scenery gets downloaded, but most of the time, it failed.
V.