Error connecting to KNX bus: Invalid argument on pi, works on windows computer

[Martin Tellblom]

I have a very strange error. I create the config files on my windows computer and when they work i transfer them to my raspberry pi.

The problem I have now is that the config that works on my windows computer doesn't work om my pi.

 

The windows computer connect to the KNX interface:

Launching the openHAB runtime...
osgi> 20:17:31.735 INFO  o.o.c.internal.CoreActivator[:90] - openHAB runtime has been started (v1.1.0).
20:17:31.079 INFO  o.o.b.o.i.OneWireBinding[:118] - Established connection to OwServer on IP '10.0.0.160' Port '4304'.
20:17:32.450 INFO  o.o.b.k.i.c.KNXConnection[:176] - Established connection to KNX bus on 10.0.0.84:3671 in mode TUNNEL.

 

While when running the exact same config on my pi gives an error:

root@raspberrypi:/opt/openhab# ./start.sh
Launching the openHAB runtime...
osgi> 16:24:37.004 INFO  o.o.c.internal.CoreActivator[:90] - openHAB runtime has been started (v1.1.0).
16:24:55.079 INFO  o.o.b.o.i.OneWireBinding[:118] - Established connection to OwServer on IP '10.0.0.160' Port '4304'.
16:24:56.517 ERROR o.o.b.k.i.c.KNXConnection[:183] - Error connecting to KNX bus: Invalid argument

 

 

I have restarted the pi several times but I still get the same error.

Am I missing a dependency ? What could be wrong?

 

 

 

[Victor Belov]

Hi,

Do you have local address configured in openhab.cfg ?

Best regards,

Victor Belov

 

 

 

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[Thomas Eichstädt-Engelen]

yep, that would be my assumption as well.

Victor refers to the config parameter: "knx:localIp" ...

Regards,

Thomas E.-E.

[Martin Tellblom]

My KNX config looks like this:

 

knx:ip=10.0.0.84
knx:type=TUNNEL
# KNX gateway port (optional, defaults to 3671)
#knx:port=

# Local endpoint to specify the multicast interface, no port is used (optional)
#knx:localIp=

# Serial port of FT1.2 KNX interface (ignored, if ip is specified)

# Valid values are e.g. COM1 for Windows and /dev/ttyS0 or /dev/ttyUSB0 for Linux

#knx:serialPort=

# Pause in milliseconds between two read requests on the KNX bus during
# initialization (optional, defaults to 50)

#knx:pause=

# Timeout in milliseconds to wait for a response from the KNX bus (optional,
# defaults to 10000)

#knx:timeout

# Number of read retries while initialization items from the KNX bus (optional,
# defaults to 3)
#knx:readRetries

 

Should I set  knx:localIp= to something?

 

 

 

 

[Thomas Eichstädt-Engelen]

yes, please set it to the IP of the openHAB-machine ...

[Martin Tellblom]

 Still the same error after setting knx:localIp=to openhab server ip

[Thomas Eichstädt-Engelen]

did you remove the '#' symbol?

On Feb 1, 2013, at 8:59 PM, Martin Tellblom <tell...@gmail.com> wrote:

 Still the same error after setting knx:localIp=to openhab server ip

[Martin Tellblom]

Yes but I did Another stupid mistake :)  I put the wrong IP :)

It works a lot better now :)  Thanks

 

But why does it work on the windows computer without this set? 

[Thomas Eichstädt-Engelen]

great :-) 

admittedly i don't really know why ... i assume it has to do with the default ip configuration settings of "localhost", "etc/hosts", etc ...