[ros-users] removing dead nodes from roscore registration

[koen buys]

What if a node doens't respond but still is publishing?

On 13 April 2010 16:49, Brian Gerkey <gerkey at willowgarage.com> wrote:

> On Tue, Apr 13, 2010 at 1:22 AM, Rosen Diankov <rosen.diankov at gmail.com>
> wrote:
> > If processes immediately die without properly calling the ros shutdown
> > methods, the node will stay registered with the core forever. the
> > result is that the rxgraph slowly gets cluttered with dead nodes and
> > makes it really inconvenient. we've tried 'rosnode kill', but that
> > doesn't seem to un-register the node. because we want to keep a
> > roscore constantly running on every robot, we cannot just restart the
> > roscore....
>
> hi Rosen,
>
> You can try the semi-hidden 'cleanup' feature of rosnode:
>  rosnode cleanup
> It will ping all nodes, then offer to delete entries from the master
> that correspond to the nodes that don't respond.
>
>        brian.
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