Re: [g-a-devel] "Couldn't register with accessibility bus" Error

[Mike Gorse <mgorse alum wpi edu>]

It seems that, at least in some cases, the X property for the 
accessibility bus address either isn't being set or isn't sticking.  So 
AT-SPI uses the session bus to find the accessibility bus address, since 
it didn't find the X property.  When an application runs as root and tries 
to register itself on the accessibility bus, it triggers a new instance of 
at-spi-bus-launcher, since DBUS_SESSION_BUS_ADDRESS is not passed through 
and so the session bus is different, and this time it _does_ set the X 
property, causing new programs to try to use the new bus started by the 
root application (which probably won't accept connections coming from 
other users).  In theory, at-spi-bus-launcher should be setting the X 
property the first time it is run, so all of this should not happen.  I'm 
not sure why that isn't working; need to look into it more.

-Mike

On Sun, 5 Jun 2011, Nischal Rao wrote:

> Hi,
>
> I sometimes come across the following error in at-spi2 when I try to start an application of mine that uses pyatspi2 :
>
>       WARNING **: Couldn't register with accessibility bus: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message
>       bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
>       process 12330: arguments to dbus_connection_send_with_reply_and_block() were incorrect, assertion "connection != NULL" failed in file dbus-connection.c line
>       3524.
>
>       This is normally a bug in some application using the D-Bus library.
>         D-Bus not built with -rdynamic so unable to print a backtrace
>       Aborted
>
>
> I am able to consistently reproduce this issue by going to the package manager in OpenSUSE (looks like the massive tree structure in the package manager is causing this
> error) and then start my application. I also found that applications like Accerciser don't start at all after this (even if I close the package manager application).
>
> --
> Best Regards,
> Nischal E Rao
>
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