vlbimon-server output

2018/04/26 09:39:10 loadSchema error
2018/04/26 09:39:10 Get http://casdev.science.ru.nl/static/schemas/observatory_metadata.json: dial tcp 131.174.31.22:80: connect: connection refused
panic: Get http://casdev.science.ru.nl/static/schemas/observatory_metadata.json: dial tcp 131.174.31.22:80: connect: connection refused

goroutine 1 [running]:
log.Panic(0xc420561ed8, 0x1, 0x1)
	/usr/lib/go/src/log/log.go:326 +0xc0
main.main()
	/home/themba/go/src/bitbucket.org/vlbi/vlbimonitor-server/vlbimonitor.go:510 +0x203