If you are behind a proxy server and still want to download from the repository, you may come across this error.
subversion/libsvn_ra_dav/util.c:826: (apr_err=175002)
subversion/libsvn_ra_dav/util.c:296: (apr_err=175002) and so on
Open the file (vim ~/.subversion/servers) and search for the following items and edit it.
http-proxy-host = <proxy server name>
http-proxy-port = <port number>
You are done.
