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            <div><span>It sounds like you may be calling rospy.Time.now() before rospy.init_node(). Most of ROS's API calls will not function unless you have initialized your node first.</span></div><div><span><br></span></div><div><span>-Michael</span></div><div>
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                <p style="color: #a0a0a0;">On Tuesday, June 7, 2011 at 3:04 PM, Ringo (Lester) Davis wrote:</p>
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                    <span><div><div>in the tf and time tutorial there is a line<br>now = rospy.Time.now()<br>but it crashes every time I run it.<br>the error is<br>[listener-5] process has died [pid 6449, exit code 1].<br>log files: /home/ringo/.ros/log/df877bf2-910c-11e0-bc06-080027911c3f/listener-5*.log<br><br>now = rospy.get_rostime()<br>crashes as well<br><br>now = rospy.Time(0)<br>works ok.<br>am I missing something?<br> Ringo<br>_______________________________________________<br>ros-users mailing list<br><a href="mailto:ros-users@code.ros.org">ros-users@code.ros.org</a><br><a href="https://code.ros.org/mailman/listinfo/ros-users">https://code.ros.org/mailman/listinfo/ros-users</a><br></div></div></span>
                
                
                
                
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