[ros-users] issues with roscore !

[Ken Conley]

The message below means that 'acer' does not resolve to any of the IP
addresses that your machine has:

    WARNING: IP address 127.0.1.1 for local hostname 'acer' does not
appear to match any local IP address
(127.0.0.1,172.16.63.119,172.16.246.1,192.168.183.1).

The message below tells you one way to resolve this, which is to set
the ROS_IP environment variable to the correct IP address to use for
your network:

    Please use ROS_IP to set the correct IP address to use.

You have four IP addresses, so you should choose the one that is
visible to other computers on your network (if you wish to use ROS
across multiple machines).

If you are not using ROS across multiple machines, then you can ignore
this message.

 - Ken

On Tue, Jul 20, 2010 at 12:22 AM, Arkapravo Bhaumik
<arkapravobhaumik at gmail.com> wrote:
> Hi
>
> I get some odd messages when I use roscore, how can I rectify them ? though,
> rosnode list and turtlesim works just fine !
>
> Please help ! This is what I get ! .....
>
>
> acer at acer:~$ roscore
> ... logging to
> /home/acer/.ros/log/85cd288c-93ce-11df-8359-001b777e0253/roslaunch-acer-3735.log
>
> started roslaunch server http://acer:41521/
>
> SUMMARY
> ========
>
> NODES
>
> WARNING: IP address 127.0.1.1 for local hostname 'acer' does not appear to
> match
> any local IP address (127.0.0.1,172.16.63.119,172.16.246.1,192.168.183.1).
> Your ROS nodes may fail to communicate.
>
> Please use ROS_IP to set the correct IP address to use.
> starting new master (master configured for auto start)
> process[master]: started with pid [3748]
> ROS_MASTER_URI=http://acer:11311/
>
> setting /run_id to 85cd288c-93ce-11df-8359-001b777e0253
> process[rosout-1]: started with pid [3759]
>
>
>
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