Deconz and openhab fight a fight part II

bdv · October 20, 2023, 6:54pm

Successor to Deconz and openhab UI fight a fight deconz wins - #23 by bdv, but not totally…

Still openhabian, update to the latest stable releases…

Situation is that since upgrade to Openhab 4, the problem was solved, but then 4.0.3 kicked in, and the behaviour is back, slightly different than before though…

When I reboot the OpenHAB MainUI is not accessible, the deconz UI is.

After this sequence

openhabian@openhabian:~ $ sudo systemctl stop openhab
openhabian@openhabian:~ $ sudo systemctl stop deconz
openhabian@openhabian:~ $ sudo systemctl start openhab
openhabian@openhabian:~ $ sudo systemctl start deconz

Everything works back just fine.

So I have the feeling that the UI of deconz starts and blocks the UI of Openhab, so still a port thing?

Config of deconz file.

[Unit]
Description=deCONZ: ZigBee gateway – REST API
Wants=deconz-init.service deconz-update.service
StartLimitIntervalSec=0
[Service]
User=1000
ExecStart=/usr/bin/deCONZ -platform minimal --http-port=8081 –ws-port=8081
Restart=on-failure
RestartSec=30
AmbientCapabilities=CAP_NET_BIND_SERVICE CAP_KILL CAP_SYS_BOOT CAP_SYS_TIME
[Install]
WantedBy=multi-user.target

Any hints?

justaoldman · October 20, 2023, 7:19pm

Maybe this link is a possible way to handle the start order? a combination of after and requires would solution it going forward if it really is some port conflicts.

And this one as well.

bdv · October 20, 2023, 7:49pm

Thanks, good option. I’ll look into it.

Key will be if openhabian update will overwrite the sequence or not…

Wolfgang_S · October 21, 2023, 6:26am

I think the problem is

that both ports are configured to start on the same port.
This is not possible. So during the startup of deconz there is already a port conflict and to get both up and running one of the will be started on a different port.
I have the impression that your solution of the old thread was not done in an optimal way.

Is the config that you posted in this thread this file ?

ls -l /etc/systemd/system/multi-user.target.wants/deconz.service
lrwxrwxrwx 1 root root 34 Feb 25  2022 /etc/systemd/system/multi-user.target.wants/deconz.service -> /lib/systemd/system/deconz.service

In my case this is the original / unmodified service file that comes with deconz package.
There is an override.conf file that overrides this configuration and and allows local modifications to the original configuration:

cat /etc/systemd/system/deconz.service.d/override.conf
[Service]
ExecStart=
ExecStart=/usr/bin/deCONZ -platform minimal --http-port=8090 --ws-port=9443

As you can see for http-port port 8090 ( deconz/phoscon UI ) will be used and for ws-port port 9443 ( websocket ) will be used.

bdv · October 21, 2023, 10:09am

I always wondered that port-part, but got this from others.

I’ll try this as soon as I get home and give you feedback @Wolfgang_S

bdv · October 23, 2023, 10:12am

I use openhabian, and deconz is installed through Openhabian config.

Weird thing is I did not have the issue on 4.0-4.0.2

deconz.service is in /etc/systemd/system

I adapted the file with a different ws-port.

after reboot same issue; with ws port to 9443
after reboot same issue; with http port to 8090 (where phoscon comes online properly ) and ws port to 9443 but openhab error remains the same

In the log I found this:

Some further searching led me to this

openhabian@openhabian:~ $ sudo netstat -ltnp | grep -w ‘:8080’

Nothing.

openhabian@openhabian:~ $ lsof -i :8080

Nothing.

openhabian@openhabian:~ $ sudo fuser 8080/tcp
8080/tcp: 353

Aha.

openhabian@openhabian:~ $ ps -p 353
PID TTY TIME CMD
353 ? 00:00:20 deCONZ

Found the culprit. Still deconz.

So the file with the service in /etc/systemd/system changes the ports, but some other file is requesting the 8080 to for deconz.

I added a line to the init service, which I guess starts first,

GNU nano 5.4 deconz-init.service
[Unit]
Description=deCONZ: ZigBee gateway – Initialisation
Wants=openhab.service

But no success.

I tried with after in the same init service

GNU nano 5.4 deconz-init.service
[Unit]
Description=deCONZ: ZigBee gateway – Initialisation
After=openhab.service

No succes…

2023-10-23 12:10:50.928 [ERROR] [j.pax.web.service.internal.Activator] - Unable to start Pax Web server: Failed to bind to /0.0.0.0:8080

Any other pointers?

Wolfgang_S · October 23, 2023, 2:30pm

As far as I understand your post now deconz starts but ylu still get the original error message and your analysis shows that deconz also sits on the openhab port ?
To me this sounds like deconz service is started two times.
Did you revert all intermediate file changes and just tried the override.conf?

bdv · October 24, 2023, 7:07pm

Hi

Deconz started before also. Change started after update to 4.0.3. All files reverted.

The only override.conf file I can find on my system is “/etc/systemd/system/openhab.service.d/override.conf”, standard openhabian install.

Wolfgang_S · October 25, 2023, 6:06am

Please create the mentioned override.conf file.
override.conf is a systemd “feature” to override system defaults stored in the system wide services configuration file. While editing the services file will be overwritten with the next upgrade of the deconz package the override.conf file will survive that upgrade.

deconz override.conf - Google Suche should list a few threads about that topic while systemd override.conf - Google Suche shows a few threads about override.conf itself.

bdv · November 3, 2023, 10:06am

This was indeed the solution. Thanks @Wolfgang_S (and sorry for late reply but holidays and stuff)

For others, this way I (hopefully finally) solved it:

make folder deconz.service.d in /etc/systemd/system
make file override.conf in /etc/systemd/system/deconz.service.d
copy info from file deconz.service in the /etc/systemd/system-folder in this override.conf
reboot

system · December 15, 2023, 2:07am

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