我正在尝试实现 osrm 服务器，我有 4 GB RAM 的 AWS Ubuntu 服务器实例。我已经从导出https://www.openstreetmap.org导出印度地图数据，下载为 map.xml，现在当我尝试使用 osrm-extract命令提取时出现以下错误
ubuntu@~/osrm-backend$ osrm-extract map.xml -p profiles/foot.lua
[info] Parsed 0 location-dependent features with 0 GeoJSON polygons
[info] Using script profiles/foot.lua
[info] Input file: map.xml
[info] Profile: foot.lua
[info] Threads: 2
[info] Parsing in progress..
[info] input file generated by Overpass API 0.7.54.13 ff15392f
[info] timestamp: n/a
[info] Using profile api version 2
[info] Parse relations ...
[info] Parse ways and nodes ...
[info] Parsing finished after 0.005743 seconds
[info] Raw input contains 0 nodes, 0 ways, and 0 relations, 0 restrictions
terminate called after throwing an instance of 'osrm::util::exception'
what(): There are no edges remaining after parsing.src/extractor/extractor.cpp:623
Aborted (core dumped)