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I have the same problem. I am running everything in simulation for now. It worked ONCE when I restarted everything but before and after that it doesn't. I'm using Hydro on Ubuntu 12.04.

I'm actually trying to run it on the Clearpath Husky robot and had some problems with that so thought of trying it on the turtlebot in simulation since Husky packages are based on these. Any help would be appreciated, thank you.

Update: Try shutting down the teleop node if you have it running in parallel. For some reason it blocks the autonomous navigation even when you aren't sending any commands.

I have the same problem. I am running everything in simulation for now. It worked ONCE when I restarted everything but before and after that it doesn't. I'm using Hydro on Ubuntu 12.04.

I'm actually trying to run it on the Clearpath Husky robot and had some problems with that so thought of trying it on the turtlebot in simulation since Husky packages are based on these. Any help would be appreciated, thank you.