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Finally I found the answer. Looking at morse initialization, there was the following message:

[WARN] [WallTime: 1400249615.593493] Could not process inbound connection: topic types do not match: [geometry_msgs/Pose] vs. [geometry_msgs/PoseStamped]{'topic': '/bee/pose', 'tcp_nodelay': '0', 'md5sum': 'e45d45a5a1ce597b249e23fb30fc871f', 'type': 'geometry_msgs/Pose', 'callerid': '/plan_node'}

So I changed the callback method:

void chatterCallback(const geometry_msgs::PoseStamped& msg)
{
        geometry_msgs::Point coord = msg.pose.position;
        ROS_INFO("Current position: (%g, %g, %g)", coord.x, coord.y, coord.z);
}

and don't forget to include:

#include "geometry_msgs/PoseStamped.h"

Finally I found the answer. answer.

Looking at morse initialization, there was the following message:

[WARN] [WallTime: 1400249615.593493] Could not process inbound connection: topic types do not match: [geometry_msgs/Pose] vs. [geometry_msgs/PoseStamped]{'topic': '/bee/pose', 'tcp_nodelay': '0', 'md5sum': 'e45d45a5a1ce597b249e23fb30fc871f', 'type': 'geometry_msgs/Pose', 'callerid': '/plan_node'}

So I changed the callback method:

void chatterCallback(const geometry_msgs::PoseStamped& msg)
{
        geometry_msgs::Point coord = msg.pose.position;
        ROS_INFO("Current position: (%g, %g, %g)", coord.x, coord.y, coord.z);
}

and don't forget to include:

#include "geometry_msgs/PoseStamped.h"

Finally I found the answer.

Looking at morse initialization, there was the following message:

[WARN] [WallTime: 1400249615.593493] Could not process inbound connection: topic types do not match: [geometry_msgs/Pose] vs. [geometry_msgs/PoseStamped]{'topic': '/bee/pose', 'tcp_nodelay': '0', 'md5sum': 'e45d45a5a1ce597b249e23fb30fc871f', 'type': 'geometry_msgs/Pose', 'callerid': '/plan_node'}
'/plan_node'}

void chatterCallback(const geometry_msgs::PoseStamped& msg)
{
        geometry_msgs::Point coord = msg.pose.position;
        ROS_INFO("Current position: (%g, %g, %g)", coord.x, coord.y, coord.z);
}

#include "geometry_msgs/PoseStamped.h"