[yocto] ERROR: Unable to connect to bitbake server, or start one

[Leonardo Sandoval]

On Thu, 2017-08-24 at 18:24 +0300, Gera Pesikoff wrote:
> Hi
> I started to study bitbake and decided to repeat the BitBake Hello
> World from the manual
> (http://www.yoctoproject.org/docs/2.3.1/bitbake-user-manual/bitbake-user-manual.html#bitbake-hello-world).
> I do everything according to the instructions, but when I run the
> bitbake command, I get the following output:
> 
> NOTE: Retrying server connection... (Traceback (most recent call
> last):
>   File "/home/leonid/test/bitbake/lib/bb/main.py", line 432, in
> setup_bitbake
>     topdir, lock = lockBitbake()
>   File "/home/leonid/test/bitbake/lib/bb/main.py", line 484, in
> lockBitbake
>     lockfile = topdir + "/bitbake.lock"
> TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'
> )
> 
> This is repeated five times, and at the end:
> 
> ERROR: Unable to connect to bitbake server, or start one

Are you running bitbake from the build folder (TOPDIR)?
> 
> Could someone please tell me what the problem is and what I can do
> about it?
> I'm using Kubuntu 17.04 and clear Ubuntu 17.04. BitBake Build Tool
> Core version 1.35.0
> 
> -- 
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