Prasad,

How are you publishing the transform between the base_link and map frame?
Are you running AMCL? Or fake_localization? Or are you doing something else?

Hope all is well,

Eitan

On Tue, Aug 3, 2010 at 12:18 AM, Prasad Dixit <
prasad.dixit@fennecfoxtech.com> wrote:

> Hello all,
>
> I have launched a navigation stack along with rviz. I have also set
> destination through rviz. According to odometry tutorial i have set x, y,
> and constant velocity.
> Initially for some period it works fine but after some amount of time it
> looses tf connectivity automatically by showing below error.
>
> [ERROR] 1280838295.723091000: Connectivity Error: Could not find a common
> time /base_link and /map.
>
> Is it not taking time stamp correctly? as i said it works fine initially.
>
> - Prasad Dixit
>
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