Java Runtime Environment: which java platform is used and what version
openHAB version: 4.2.1
I try to get a sitemap that shows the online-status for a few devices.
Some work, some do not (are always offline), some are unreliable (toggle between online/offline)
ping and arping works for all devices (arping also when run from within the openHAB Docker container, ping is not installed but I guess it would work the same)
I tried deleting the cache and tmp but didn’t change anything.
All bindings were installed using config files (no Paper UI)
Is there a way to get more debug information?
I haven’t found a namespace to enable for TRACE logging that would provide more details.
This means I could ping all devices from outside Docker (from another machine)
and I could arping them even from inside the openHAB Docker container.
I didn’t think to gain more information if I also try ping from within the Docker container as well.
I’d rather know if there is a way to get some log output from the built-in (Java) ping feature and from arping calls for these things.
I wasn’t even able to figure out if these devices are pinged by openHAB at all.
2019-04-18 14:47:06.253 [TRACE] [me.config.core.internal.ConfigMapper] - Setting value (String) guenter-macbook to field 'hostname' in configuration class org.openhab.binding.network.internal.NetworkHandlerConfiguration
2019-04-18 14:47:06.254 [TRACE] [me.config.core.internal.ConfigMapper] - Skipping field 'port', because config has no entry for port
2019-04-18 14:47:06.255 [TRACE] [me.config.core.internal.ConfigMapper] - Setting value (Integer) 2 to field 'retry' in configuration class org.openhab.binding.network.internal.NetworkHandlerConfiguration
2019-04-18 14:47:06.256 [TRACE] [me.config.core.internal.ConfigMapper] - Setting value (Integer) 1030 to field 'refreshInterval' in configuration class org.openhab.binding.network.internal.NetworkHandlerConfiguration
2019-04-18 14:47:06.257 [TRACE] [me.config.core.internal.ConfigMapper] - Setting value (Integer) 800 to field 'timeout' in configuration class org.openhab.binding.network.internal.NetworkHandlerConfiguration
2019-04-18 14:47:06.357 [DEBUG] [lipse.smarthome.io.net.exec.ExecUtil] - executed commandLine 'arping --help'
2019-04-18 14:47:06.411 [DEBUG] [lipse.smarthome.io.net.exec.ExecUtil] - exit code '0', result 'ARPing 2.14, by Thomas Habets <thomas@habets.se>
usage: arping [ -0aAbdDeFpPqrRuUv ] [ -w <us> ] [ -W <sec> ] [ -S <host/ip> ]
[ -T <host/ip ] [ -s <MAC> ] [ -t <MAC> ] [ -c <count> ]
[ -C <count> ] [ -i <interface> ] <host/ip/MAC | -B>
Options:
-0 Use this option to ping with source IP address 0.0.0.0. Use this
when you haven't configured your interface yet. Note that this
may get the MAC-ping unanswered. This is an alias for -S
0.0.0.0.
-a Audiable ping.
but it looks like happens only once when I start the openHAB Docker container
Okay so you setup the item and sitemap manually.
Did you check the paperUI if the device is listen as Online there?
I would try to set it up via paperUI and see if the error still exists
I installed ping in Docker as you suggested and it can not ping these devices.
Seems I made some mistake or mixed something up when I tested it previously.
So this one should be sorted out. Thanks a lot for your support.
It remains the issue why it is not using arping which is working with guenter-macbook even from within the container.
I don’t know exactly what solved it but now it’s working fine.
iPhones and MacBook are a bit unreliable, but that’s an iPhone/Macbook speciality.
I installed ping in the openHAB docker container
and forwarded 67 to 6767 on the host machine to enable DHCP support.
Still a bit unsatisfactory are the limited possibilities to diagnose what’s going on exactly.
What methods returned what results with which device?
What are the error messages when something failed?
Thanks @BrutalBirdie this just helped me, have recently updated to OH3 running in docker on synology from OH2.5 running on a Pi. Looks like the OH3 image doesn’t include iputils-ping.
Bash’d in running container
apt-get update
apt-get install iputils-ping
Saved “thing” using the network binding again and all good to go, noted that icmp_state arp_state are now populated as per image below.
