[winswitch] Failed to encode packet error using xpra-0.8.3

[Antoine Martin]

On 02/12/2013 11:09 PM, Douglas Doole wrote:
> I just updated my Ubuntu systems (client and server are both running
> Precise) to xpra-0.8.3-1. Things were working fine prior to the update. (I
> was using 0.8.1 on both client and server.)
> 
> I upgraded the display at the server with no problems (xpra upgrade :1).
> 
> When I attempt to connect, however, I get a "Failed to encode packet"
> error: (I pruned this a bit so it fits in the email)
Ouch - sorry about that!

> xpra attach ssh:reorx:1
> xpra client version 0.8.3
> 2013-02-12 10:58:24,326 failed to encode packet: ['hello', {'bell': True,
> 'named_cursors': True, 'python_version': (2, 7, 3), 'gtk_version': (2, 24,
> 10), 'encoding': 'x264', ... 'encoding.min-speed': 0, 'dpi': 96}]
(...)

> KeyError: <type 'NoneType'>
(...)

Somewhere in your initial packet is a "None" value, this shouldn't
happen and the encoder is failing because of that.

(snip)
> 
> Any suggestions?
> 
If you can run with "-d all", you should see the full packet printed,
and somewhere in it is going to be the value "None". If you can tell me
where that is, I can fix it asap.

Cheers
Antoine