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Roslibjs publish topic error

I set up the roslibjs exactly as the tutorial suggets, and subscribing is working great ( I am able to connect to the websocket, etc). However, whenever I try to publish I get an error in the rosbridge websocket below:

I am using the indigo release of ROS, and the current version of both eventransmitter & roslibjs from the CDN Here is the link:http://wiki.ros.org/roslibjs/Tutorials/BasicRosFunctionality

Roslibjs publish topic error

I set up the roslibjs exactly as the tutorial suggets, and subscribing is working great ( I am able to connect to the websocket, etc). However, whenever I try to publish I get an error in the rosbridge websocket below:

[ERROR] [15.500000] [/rosbridge_websocket]: [Client 7] [id: publish:/cmd_vel:2] publish: 'type'

I am using the indigo release of ROS, and the current version of both eventransmitter & roslibjs from the CDN Here is the link:http://wiki.ros.org/roslibjs/Tutorials/BasicRosFunctionality

Roslibjs publish topic error

I set up the roslibjs exactly as the tutorial suggets, and subscribing is working great ( I am able to connect to the websocket, etc). However, whenever I try to publish I get an error in the rosbridge websocket below:

[ERROR] [15.500000] [/rosbridge_websocket]: [Client 7] [id: publish:/cmd_vel:2] publish: 'type'

I am using the indigo release of ROS, ROS & Ubuntu 14.04, and the current version of both eventransmitter & roslibjs from the CDN Here is the link:http://wiki.ros.org/roslibjs/Tutorials/BasicRosFunctionality