Running rosjava tutorial examples

asked 2011-11-23 05:16:23 -0500

SFurtwangler
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Tried usual searches to see if anyone else was seeing this, but when I run:

rosrun rosjava_bootstrap run.py rosjava_tutorial_pubsub org.ros.tutorials.pubsub.Listener

I get an error that says:

Loading node class: org.ros.tutorials.pubsub.Listener Exception in thread "main" java.lang.NullPointerException: Node name not specified.

I noticed that the documentation for rosjava seems a bit out of date (since NodeFactory.newNode no longer takes a default name), so it could be that I need some sort of argument, but I don't know what it is.

Any suggestions?

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answered 2012-01-12 22:47:37 -0500

damonkohler
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This is now handled by NodeMain.getDefaultNodeName(). It is no longer required to specify "__name:=...".

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answered 2011-11-23 05:29:22 -0500

SFurtwangler
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I figured it out. You need to use "__name:=<whatever>" which now I remember being an argument to any ros node.

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Running rosjava tutorial examples

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