[mythtv-users] Can't connect to remote backend database (again)

John Pilkington johnpilk222 at gmail.com
Sun Sep 12 10:27:26 UTC 2021

On 12/09/2021 10:23, Mike Perkins wrote:
> On 12/09/2021 08:48, Phill Edwards wrote:
>>>> Thanks Stephen. I tried what you suggested and changed the MySQL 
>>>> settings
>>>> but the Chomecast with Google TV still wouldn't connect. So I 
>>>> dropped the
>>>> user account in MySQL and re-created it. Still no joy - even though 
>>>> the PC
>>>> sitting right next to it on the same subnet connects without problems.
>>>> I also contacted the developer of the mythtvfrontend Android app and
>>>> relayed your theory to him. He was very helpful and tried installing 
>>>> and
>>>> connecting and it all worked fine for him. After his testing he said 
>>>> "So
>>> it
>>>> is not an incompatibility with mysql or with recent versions that is
>>>> causing the problem".
>>>> I've also tried to install a MySQL client on the device. But there's 
>>>> only
>>>> one I could find, and it doesn't work on Google TV because the UI won't
>>> let
>>>> you create a connection database using a remote control. The 
>>>> developer is
>>>> going to address that in the next release but I have no idea when that
>>> will
>>>> be.
>>>> So I'm now even more stumped than I was before.
>>> If you capture the TCP/IP packets again, is it the same as before - is
>>> it still the same error message?
>> Thanks very much, Stephen, for your patient assistance with this one. I
>> didn't try your last suggestion. But I have fixed the problem. When I
>> disconnected  the wired ethernet connection and connected with WiFi
>> instead,Mythfrontend connected without any issues. Obviously I'm 
>> delighted
>> with this development. But I have no idea why it can connect over WiFi 
>> but
>> not ethernet when they're on the same subnet. It doesn't make sense to 
>> me.
>> Do you think there could be a bug of some sort with the devices' ethernet
>> implementation? The ethernet cable connects into the power supply 
>> which is
>> an adaptor sold by Google -
>> https://store.google.com/au/product/chromecast_ethernet_adapter_gen_2?hl=en-GB 
>> It's good news that it's working. But the WiFi connection obviously isn't
>> as fast as the ethernet connection, so I would like to get it going over
>> ethernet eventually if I can. I might try a powered USB hub and 
>> connect the
>> ethernet to that instead of the power supply and see if that works. i did
>> have one but I've lost it!
> It is possible that you are misunderstanding the function of the device 
> you link to. (It is also possible that I am misunderstanding it!)
>  From my reading of the very sketchy description, this device is 
> designed for locations where a WiFi signal is poor or non-existent. 
> Therefore, I would think that all it has is a mini-WiFi access point 
> from which the Chromecast can get a local signal.
> It won't be sending Ethernet up the power cable, if that's what you 
> assumed.

That page does say that the Chromecast with Google TV 'requires a Wi-Fi 

The FireTVstick 4k has an optional Ethernet adapter that does apparently 
provide 'Ethernet up the power cable'.  I didn't get one because my 
Firestick is only 1m from my router.  The wifi connection works well for 
me, but I have never tried 4k content or had other wifi users online.

John P

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