[Rock-dev] problems with connection to a remote task

[Alexander Duda]

On 07/11/2012 03:30 PM, Felix Rehrmann wrote:
> Hi all,
>
> I have a task running on a robot (SeekurJr). If I try to investigate the
> task from my desktop via rock-display or use orops to show the tasks on
> the robot (with arguement --host=<hostname>) the following error occures
>
> /home/frehrmann/workspace/virck/tools/orocos.rb/lib/orocos/corba.rb:143:in
> `do_task_names': CORBA transient excepetion (Orocos::CORBA::ComError)
>       from
> /home/frehrmann/workspace/virck/tools/orocos.rb/lib/orocos/corba.rb:143:in
> `task_names'
>       from /home/frehrmann/workspace/virck/tools/orocos.rb/bin/orops:26
>
> That happens not all the time. In the past it already worked. I tried to
> start and stop the nameserver and to delete the files
> in var/lib/omniorb. That did not help, too. If I run the commands
> directly on the robot they work.
>
> So there is a connection to the nameserver but then it does not find
> orocos or the tasks or something like that.
>
> Has somebody an idea what the cause for the error could be or at least
> how to track down the source of the error?
Do you have multiple (virtual) network interfaces on the robot?. Corba 
has the tendency to also pick the wrong one. You can configure the 
default behaviour via /etc/omniORB.cfg.

Alex

-- 
Dipl.-Ing. Alexander Duda
Unterwasserrobotik

DFKI Bremen
Robotics Innovation Center
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Fax:   +49 (0)421 178-454150
E-Mail: alexander.duda at dfki.de

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