Hello,
I run everything(roscore,RosAria,laser,gmapping) +
I run 
rosrun map_server map_server map.yaml      (map is the map which I created
using Robot) this gives following message:
[ INFO] [1281955915.638543295]: Loading map from image "./map.pgm"
[ INFO] [1281955916.139993689]: Read a 4000 X 4000 map @ 0.050 m/cell
[ INFO] [1281955947.999486511]: Sending map
[ INFO] [1281956425.904089684]: Sending map

then I run
rosrun amcl amcl     (forlocalization) this gives message
[ INFO] [1281956425.875424941]: Requesting the map...
[ INFO] [1281956425.989316852]: Received a 4000 X 4000 map @ 0.050 m/pix

[ INFO] [1281956427.715570549]: map returned
[ INFO] [1281956427.737946998]: Initializing likelihood field model; this
can take some time on large maps...
[ INFO] [1281956428.253002124]: Done initializing likelihood field model.
[ WARN] [1281956428.477921480]: Message from [/sicklms] has a
non-fully-qualified frame_id [laser]. Resolved locally to [/laser].  This is
will likely not work in multi-robot systems.  This message will only print
once.

then I want to see the pose and run
rostopic echo /amcl_pose  then it prints nothing. while rostopic echo /odom
gives me odometry data successfully .
Can any one help to fix this problem.
thanks

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