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Before you begin

If you don't know what the problem is yet or how to fix it, try running roswtf first, which is like a FAQ implemented in code. It will look at your configuration and what is running and try and diagnose problems. You can either run it by itself, or you can give it the name of a roslaunch file, e.g.

roswtf

or

roswtf myfile.launch

If you're having problems with things that are running, try running roswtf while they are still up.

Common Problems

Master Not Running

If you get this message:

Unable to register with master node [http://localhost:11311/]: master may not be running yet. Will keep trying.

You need to launch roscore:

roscore

Network Configuration

If you're having trouble communicating between processes.

Failed Launching

Failure to Compile

Transform Issues

See tf documentation

Recommended Checks

Things to do before asking for help

Information Needed for Remote Debugging


2017-10-21 12:25