happen to see the same error message on 16.04.1,
snapd v2.20.1ubuntu1
ubuntu-core v16.04.1 rev1357
systemctl status snapd.service
● snapd.service - Snappy daemon
Loaded: loaded (/lib/systemd/system/snapd.service; disabled; vendor preset:
enabled)
Active: inactive (dead) since Mon 2017-01-09 09:37:53 CST; 8min ago
Main PID: 2149 (code=exited, status=0/SUCCESS)
Jan 06 11:24:00 X230 /usr/lib/snapd/snapd[2149]: daemon.go:174: DEBUG: uid=0;@
POST /v2/snaps 26.478524ms 500
Jan 07 03:43:54 X230 /usr/lib/snapd/snapd[2149]: daemon.go:174: DEBUG: uid=0;@
POST /v2/snaps 51.193286ms 500
Jan 09 09:30:16 X230 /usr/lib/snapd/snapd[2149]: daemon.go:174: DEBUG: uid=0;@
POST /v2/snaps 18.417449ms 500
Jan 09 09:37:21 X230 /usr/lib/snapd/snapd[2149]: daemon.go:174: DEBUG: uid=0;@
GET /v2/snaps 37.008379ms 200
Jan 09 09:37:25 X230 /usr/lib/snapd/snapd[2149]: daemon.go:174: DEBUG:
uid=1000;@ GET /v2/snaps 4.549011ms 200
Jan 09 09:37:29 X230 /usr/lib/snapd/snapd[2149]: daemon.go:174: DEBUG:
uid=1000;@ GET /v2/interfaces 4.250357ms 200
Jan 09 09:37:53 X230 systemd[1]: Stopping Snappy daemon...
Jan 09 09:37:53 X230 /usr/lib/snapd/snapd[2149]: main.go:67: Exiting on
terminated signal.
Jan 09 09:37:53 X230 snapd[2149]: 2017/01/09 09:37:53.585542 main.go:67:
Exiting on terminated signal.
Jan 09 09:37:53 X230 systemd[1]: Stopped Snappy daemon.
-
and restart the snapd service helps:
$ sudo systemctl restart snapd.service
$ systemctl status snapd.service
● snapd.service - Snappy daemon
Loaded: loaded (/lib/systemd/system/snapd.service; disabled; vendor preset:
enabled)
Active: active (running) since Mon 2017-01-09 09:46:56 CST; 1s ago
Main PID: 9992 (snapd)
Tasks: 7
Memory: 22.9M
CPU: 34ms
CGroup: /system.slice/snapd.service
└─9992 /usr/lib/snapd/snapd
Jan 09 09:46:56 X230 /usr/lib/snapd/snapd[9992]: helpers.go:102: cannot connect
plug "network-bind" from snap "wifi-ap", no such plug
Jan 09 09:46:56 X230 /usr/lib/snapd/snapd[9992]: helpers.go:102: cannot connect
plug "network-bind" from snap "rocketchat-server", no such plug
Jan 09 09:46:56 X230 /usr/lib/snapd/snapd[9992]: helpers.go:102: cannot connect
plug "network-bind" from snap "snapweb", no such plug
Jan 09 09:46:56 X230 /usr/lib/snapd/snapd[9992]: helpers.go:102: cannot connect
plug "x11" from snap "tensorflow-demo", no such plug
Jan 09 09:46:56 X230 /usr/lib/snapd/snapd[9992]: helpers.go:102: cannot connect
plug "network-bind" from snap "notes", no such plug
Jan 09 09:46:56 X230 /usr/lib/snapd/snapd[9992]: helpers.go:102: cannot connect
plug "snapd-control" from snap "snapweb", no such plug
Jan 09 09:46:56 X230 /usr/lib/snapd/snapd[9992]: helpers.go:102: cannot connect
plug "unity7" from snap "notes", no such plug
Jan 09 09:46:56 X230 /usr/lib/snapd/snapd[9992]: helpers.go:102: cannot connect
plug "network-bind" from snap "tensorflow-demo", no such plug
Jan 09 09:46:56 X230 /usr/lib/snapd/snapd[9992]: helpers.go:102: cannot connect
plug "network" from snap "wifi-ap", no such plug
Jan 09 09:46:56 X230 /usr/lib/snapd/snapd[9992]: daemon.go:207: DEBUG: init
done in 1.374045ms
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https://bugs.launchpad.net/bugs/1631514
Title:
snap doesnt work. error: cannot communicate with server
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